diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
index 1d657a6b1b53..0301ac606cdd 100644
--- a/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -524,6 +524,7 @@ What:		/sys/devices/system/cpu/vulnerabilities
 		/sys/devices/system/cpu/vulnerabilities/spectre_v1
 		/sys/devices/system/cpu/vulnerabilities/spectre_v2
 		/sys/devices/system/cpu/vulnerabilities/srbds
+		/sys/devices/system/cpu/vulnerabilities/tsa
 		/sys/devices/system/cpu/vulnerabilities/tsx_async_abort
 Date:		January 2018
 Contact:	Linux kernel mailing list <linux-kernel@vger.kernel.org>
diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs
index ec3a7149ced5..2e2e0b992233 100644
--- a/Documentation/ABI/testing/sysfs-driver-ufs
+++ b/Documentation/ABI/testing/sysfs-driver-ufs
@@ -655,7 +655,7 @@ Description:	This file shows the thin provisioning type. This is one of
 
 		The file is read only.
 
-What:		/sys/class/scsi_device/*/device/unit_descriptor/physical_memory_resourse_count
+What:		/sys/class/scsi_device/*/device/unit_descriptor/physical_memory_resource_count
 Date:		February 2018
 Contact:	Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
 Description:	This file shows the total physical memory resources. This is
diff --git a/Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst b/Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst
index c98fd11907cc..e916dc232b0f 100644
--- a/Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst
+++ b/Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst
@@ -157,9 +157,7 @@ This is achieved by using the otherwise unused and obsolete VERW instruction in
 combination with a microcode update. The microcode clears the affected CPU
 buffers when the VERW instruction is executed.
 
-Kernel reuses the MDS function to invoke the buffer clearing:
-
-	mds_clear_cpu_buffers()
+Kernel does the buffer clearing with x86_clear_cpu_buffers().
 
 On MDS affected CPUs, the kernel already invokes CPU buffer clear on
 kernel/userspace, hypervisor/guest and C-state (idle) transitions. No
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index e5e7fddc962f..f12ba5c12b91 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -5990,6 +5990,19 @@
 			If not specified, "default" is used. In this case,
 			the RNG's choice is left to each individual trust source.
 
+	tsa=		[X86] Control mitigation for Transient Scheduler
+			Attacks on AMD CPUs. Search the following in your
+			favourite search engine for more details:
+
+			"Technical guidance for mitigating transient scheduler
+			attacks".
+
+			off		- disable the mitigation
+			on		- enable the mitigation (default)
+			user		- mitigate only user/kernel transitions
+			vm		- mitigate only guest/host transitions
+
+
 	tsc=		Disable clocksource stability checks for TSC.
 			Format: <string>
 			[x86] reliable: mark tsc clocksource as reliable, this
diff --git a/Documentation/devicetree/bindings/serial/8250.yaml b/Documentation/devicetree/bindings/serial/8250.yaml
index fa767440f281..ca59e2c1d255 100644
--- a/Documentation/devicetree/bindings/serial/8250.yaml
+++ b/Documentation/devicetree/bindings/serial/8250.yaml
@@ -44,7 +44,7 @@ allOf:
                   - ns16550
                   - ns16550a
     then:
-      anyOf:
+      oneOf:
         - required: [ clock-frequency ]
         - required: [ clocks ]
 
diff --git a/Makefile b/Makefile
index fbd1f5b5ebe0..757e4ebfcd65 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 15
-SUBLEVEL = 186
-EXTRAVERSION =
+SUBLEVEL = 187
+EXTRAVERSION = -rc3
 NAME = Trick or Treat
 
 # *DOCUMENTATION*
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index 1408a6a15d0e..fa622b77c785 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -10,6 +10,7 @@
 #include <uapi/asm/ptrace.h>
 
 #ifndef __ASSEMBLY__
+#include <linux/bitfield.h>
 #include <linux/types.h>
 
 struct pt_regs {
@@ -35,8 +36,8 @@ struct svc_pt_regs {
 
 #ifndef CONFIG_CPU_V7M
 #define isa_mode(regs) \
-	((((regs)->ARM_cpsr & PSR_J_BIT) >> (__ffs(PSR_J_BIT) - 1)) | \
-	 (((regs)->ARM_cpsr & PSR_T_BIT) >> (__ffs(PSR_T_BIT))))
+	(FIELD_GET(PSR_J_BIT, (regs)->ARM_cpsr) << 1 | \
+	 FIELD_GET(PSR_T_BIT, (regs)->ARM_cpsr))
 #else
 #define isa_mode(regs) 1 /* Thumb */
 #endif
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index fc86e7465df4..e3e4defdea42 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -1466,7 +1466,8 @@ int pud_free_pmd_page(pud_t *pudp, unsigned long addr)
 	next = addr;
 	end = addr + PUD_SIZE;
 	do {
-		pmd_free_pte_page(pmdp, next);
+		if (pmd_present(READ_ONCE(*pmdp)))
+			pmd_free_pte_page(pmdp, next);
 	} while (pmdp++, next += PMD_SIZE, next != end);
 
 	pud_clear(pudp);
diff --git a/arch/powerpc/include/uapi/asm/ioctls.h b/arch/powerpc/include/uapi/asm/ioctls.h
index 2c145da3b774..b5211e413829 100644
--- a/arch/powerpc/include/uapi/asm/ioctls.h
+++ b/arch/powerpc/include/uapi/asm/ioctls.h
@@ -23,10 +23,10 @@
 #define TCSETSW		_IOW('t', 21, struct termios)
 #define TCSETSF		_IOW('t', 22, struct termios)
 
-#define TCGETA		_IOR('t', 23, struct termio)
-#define TCSETA		_IOW('t', 24, struct termio)
-#define TCSETAW		_IOW('t', 25, struct termio)
-#define TCSETAF		_IOW('t', 28, struct termio)
+#define TCGETA		0x40147417 /* _IOR('t', 23, struct termio) */
+#define TCSETA		0x80147418 /* _IOW('t', 24, struct termio) */
+#define TCSETAW		0x80147419 /* _IOW('t', 25, struct termio) */
+#define TCSETAF		0x8014741c /* _IOW('t', 28, struct termio) */
 
 #define TCSBRK		_IO('t', 29)
 #define TCXONC		_IO('t', 30)
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index dc840ba0b016..c8071eb82e2e 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -23,7 +23,7 @@ endif
 aflags_dwarf	:= -Wa,-gdwarf-2
 KBUILD_AFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) -m64 -D__ASSEMBLY__
 KBUILD_AFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),$(aflags_dwarf))
-KBUILD_CFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) -m64 -O2
+KBUILD_CFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) -m64 -O2 -std=gnu11
 KBUILD_CFLAGS_DECOMPRESSOR += -DDISABLE_BRANCH_PROFILING -D__NO_FORTIFY
 KBUILD_CFLAGS_DECOMPRESSOR += -fno-delete-null-pointer-checks -msoft-float -mbackchain
 KBUILD_CFLAGS_DECOMPRESSOR += -fno-asynchronous-unwind-tables
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 160290049e8c..14a5eff4d027 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -676,7 +676,7 @@ ENTRY(stack_overflow)
 	stmg	%r0,%r7,__PT_R0(%r11)
 	stmg	%r8,%r9,__PT_PSW(%r11)
 	mvc	__PT_R8(64,%r11),0(%r14)
-	stg	%r10,__PT_ORIG_GPR2(%r11) # store last break to orig_gpr2
+	mvc	__PT_ORIG_GPR2(8,%r11),__LC_LAST_BREAK
 	xc	__SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15)
 	lgr	%r2,%r11		# pass pointer to pt_regs
 	jg	kernel_stack_overflow
diff --git a/arch/s390/purgatory/Makefile b/arch/s390/purgatory/Makefile
index d22ec8acb13c..677cbb654024 100644
--- a/arch/s390/purgatory/Makefile
+++ b/arch/s390/purgatory/Makefile
@@ -21,7 +21,7 @@ UBSAN_SANITIZE := n
 KASAN_SANITIZE := n
 KCSAN_SANITIZE := n
 
-KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes
+KBUILD_CFLAGS := -std=gnu11 -fno-strict-aliasing -Wall -Wstrict-prototypes
 KBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare
 KBUILD_CFLAGS += -fno-zero-initialized-in-bss -fno-builtin -ffreestanding
 KBUILD_CFLAGS += -c -MD -Os -m64 -msoft-float -fno-common
diff --git a/arch/um/drivers/ubd_user.c b/arch/um/drivers/ubd_user.c
index a1afe414ce48..fb5b1e7c133d 100644
--- a/arch/um/drivers/ubd_user.c
+++ b/arch/um/drivers/ubd_user.c
@@ -41,7 +41,7 @@ int start_io_thread(unsigned long sp, int *fd_out)
 	*fd_out = fds[1];
 
 	err = os_set_fd_block(*fd_out, 0);
-	err = os_set_fd_block(kernel_fd, 0);
+	err |= os_set_fd_block(kernel_fd, 0);
 	if (err) {
 		printk("start_io_thread - failed to set nonblocking I/O.\n");
 		goto out_close;
diff --git a/arch/um/include/asm/asm-prototypes.h b/arch/um/include/asm/asm-prototypes.h
index 5898a26daa0d..408b31d59127 100644
--- a/arch/um/include/asm/asm-prototypes.h
+++ b/arch/um/include/asm/asm-prototypes.h
@@ -1 +1,6 @@
 #include <asm-generic/asm-prototypes.h>
+#include <asm/checksum.h>
+
+#ifdef CONFIG_UML_X86
+extern void cmpxchg8b_emu(void);
+#endif
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 026a5714f78f..4eca434fd80b 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2528,6 +2528,15 @@ config MITIGATION_ITS
 	  disabled, mitigation cannot be enabled via cmdline.
 	  See <file:Documentation/admin-guide/hw-vuln/indirect-target-selection.rst>
 
+config MITIGATION_TSA
+	bool "Mitigate Transient Scheduler Attacks"
+	depends on CPU_SUP_AMD
+	default y
+	help
+	  Enable mitigation for Transient Scheduler Attacks. TSA is a hardware
+	  security vulnerability on AMD CPUs which can lead to forwarding of
+	  invalid info to subsequent instructions and thus can affect their
+	  timing and thereby cause a leakage.
 endif
 
 config ARCH_HAS_ADD_PAGES
diff --git a/arch/x86/entry/entry.S b/arch/x86/entry/entry.S
index bda217961172..057eeb4eda4e 100644
--- a/arch/x86/entry/entry.S
+++ b/arch/x86/entry/entry.S
@@ -31,20 +31,20 @@ EXPORT_SYMBOL_GPL(entry_ibpb);
 
 /*
  * Define the VERW operand that is disguised as entry code so that
- * it can be referenced with KPTI enabled. This ensure VERW can be
+ * it can be referenced with KPTI enabled. This ensures VERW can be
  * used late in exit-to-user path after page tables are switched.
  */
 .pushsection .entry.text, "ax"
 
 .align L1_CACHE_BYTES, 0xcc
-SYM_CODE_START_NOALIGN(mds_verw_sel)
+SYM_CODE_START_NOALIGN(x86_verw_sel)
 	UNWIND_HINT_EMPTY
 	ANNOTATE_NOENDBR
 	.word __KERNEL_DS
 .align L1_CACHE_BYTES, 0xcc
-SYM_CODE_END(mds_verw_sel);
+SYM_CODE_END(x86_verw_sel);
 /* For KVM */
-EXPORT_SYMBOL_GPL(mds_verw_sel);
+EXPORT_SYMBOL_GPL(x86_verw_sel);
 
 .popsection
 
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h
index 33d41e350c79..5a7491f968cd 100644
--- a/arch/x86/include/asm/cpu.h
+++ b/arch/x86/include/asm/cpu.h
@@ -72,4 +72,17 @@ void init_ia32_feat_ctl(struct cpuinfo_x86 *c);
 #else
 static inline void init_ia32_feat_ctl(struct cpuinfo_x86 *c) {}
 #endif
+
+union zen_patch_rev {
+	struct {
+		__u32 rev	 : 8,
+		      stepping	 : 4,
+		      model	 : 4,
+		      __reserved : 4,
+		      ext_model	 : 4,
+		      ext_fam	 : 8;
+	};
+	__u32 ucode_rev;
+};
+
 #endif /* _ASM_X86_CPU_H */
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index e2bf1cba02cd..63b84540cfb3 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -419,6 +419,7 @@
 #define X86_FEATURE_SME_COHERENT	(19*32+10) /* "" AMD hardware-enforced cache coherency */
 
 #define X86_FEATURE_AUTOIBRS		(20*32+ 8) /* "" Automatic IBRS */
+#define X86_FEATURE_VERW_CLEAR		(20*32+ 10) /* "" The memory form of VERW mitigates TSA */
 #define X86_FEATURE_SBPB		(20*32+27) /* "" Selective Branch Prediction Barrier */
 #define X86_FEATURE_IBPB_BRTYPE		(20*32+28) /* "" MSR_PRED_CMD[IBPB] flushes all branch type predictions */
 #define X86_FEATURE_SRSO_NO		(20*32+29) /* "" CPU is not affected by SRSO */
@@ -435,6 +436,10 @@
 #define X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT (21*32+ 4) /* "" Clear branch history at vmexit using SW loop */
 #define X86_FEATURE_INDIRECT_THUNK_ITS	(21*32 + 5) /* "" Use thunk for indirect branches in lower half of cacheline */
 
+#define X86_FEATURE_TSA_SQ_NO          (21*32+11) /* "" AMD CPU not vulnerable to TSA-SQ */
+#define X86_FEATURE_TSA_L1_NO          (21*32+12) /* "" AMD CPU not vulnerable to TSA-L1 */
+#define X86_FEATURE_CLEAR_CPU_BUF_VM   (21*32+13) /* "" Clear CPU buffers using VERW before VMRUN */
+
 /*
  * BUG word(s)
  */
@@ -486,4 +491,5 @@
 #define X86_BUG_IBPB_NO_RET		X86_BUG(1*32 + 4) /* "ibpb_no_ret" IBPB omits return target predictions */
 #define X86_BUG_ITS			X86_BUG(1*32 + 5) /* CPU is affected by Indirect Target Selection */
 #define X86_BUG_ITS_NATIVE_ONLY		X86_BUG(1*32 + 6) /* CPU is affected by ITS, VMX is not affected */
+#define X86_BUG_TSA			X86_BUG(1*32+ 9) /* "tsa" CPU is affected by Transient Scheduler Attacks */
 #endif /* _ASM_X86_CPUFEATURES_H */
diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
index c5ce9845c999..5c72543b107a 100644
--- a/arch/x86/include/asm/irqflags.h
+++ b/arch/x86/include/asm/irqflags.h
@@ -47,13 +47,13 @@ static __always_inline void native_irq_enable(void)
 
 static inline __cpuidle void native_safe_halt(void)
 {
-	mds_idle_clear_cpu_buffers();
+	x86_idle_clear_cpu_buffers();
 	asm volatile("sti; hlt": : :"memory");
 }
 
 static inline __cpuidle void native_halt(void)
 {
-	mds_idle_clear_cpu_buffers();
+	x86_idle_clear_cpu_buffers();
 	asm volatile("hlt": : :"memory");
 }
 
diff --git a/arch/x86/include/asm/mwait.h b/arch/x86/include/asm/mwait.h
index 29dd27b5a339..2a2de4f3cb20 100644
--- a/arch/x86/include/asm/mwait.h
+++ b/arch/x86/include/asm/mwait.h
@@ -43,8 +43,6 @@ static inline void __monitorx(const void *eax, unsigned long ecx,
 
 static inline void __mwait(unsigned long eax, unsigned long ecx)
 {
-	mds_idle_clear_cpu_buffers();
-
 	/* "mwait %eax, %ecx;" */
 	asm volatile(".byte 0x0f, 0x01, 0xc9;"
 		     :: "a" (eax), "c" (ecx));
@@ -79,7 +77,7 @@ static inline void __mwait(unsigned long eax, unsigned long ecx)
 static inline void __mwaitx(unsigned long eax, unsigned long ebx,
 			    unsigned long ecx)
 {
-	/* No MDS buffer clear as this is AMD/HYGON only */
+	/* No need for TSA buffer clearing on AMD */
 
 	/* "mwaitx %eax, %ebx, %ecx;" */
 	asm volatile(".byte 0x0f, 0x01, 0xfb;"
@@ -88,7 +86,7 @@ static inline void __mwaitx(unsigned long eax, unsigned long ebx,
 
 static inline void __sti_mwait(unsigned long eax, unsigned long ecx)
 {
-	mds_idle_clear_cpu_buffers();
+
 	/* "mwait %eax, %ecx;" */
 	asm volatile("sti; .byte 0x0f, 0x01, 0xc9;"
 		     :: "a" (eax), "c" (ecx));
@@ -106,6 +104,11 @@ static inline void __sti_mwait(unsigned long eax, unsigned long ecx)
  */
 static inline void mwait_idle_with_hints(unsigned long eax, unsigned long ecx)
 {
+	if (need_resched())
+		return;
+
+	x86_idle_clear_cpu_buffers();
+
 	if (static_cpu_has_bug(X86_BUG_MONITOR) || !current_set_polling_and_test()) {
 		if (static_cpu_has_bug(X86_BUG_CLFLUSH_MONITOR)) {
 			mb();
@@ -114,9 +117,13 @@ static inline void mwait_idle_with_hints(unsigned long eax, unsigned long ecx)
 		}
 
 		__monitor((void *)&current_thread_info()->flags, 0, 0);
-		if (!need_resched())
-			__mwait(eax, ecx);
+		if (need_resched())
+			goto out;
+
+		__mwait(eax, ecx);
 	}
+
+out:
 	current_clr_polling();
 }
 
diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h
index 17156b61fcc3..b62ce153a3c4 100644
--- a/arch/x86/include/asm/nospec-branch.h
+++ b/arch/x86/include/asm/nospec-branch.h
@@ -202,27 +202,33 @@
 .endm
 
 /*
- * Macro to execute VERW instruction that mitigate transient data sampling
- * attacks such as MDS. On affected systems a microcode update overloaded VERW
- * instruction to also clear the CPU buffers. VERW clobbers CFLAGS.ZF.
- *
+ * Macro to execute VERW insns that mitigate transient data sampling
+ * attacks such as MDS or TSA. On affected systems a microcode update
+ * overloaded VERW insns to also clear the CPU buffers. VERW clobbers
+ * CFLAGS.ZF.
  * Note: Only the memory operand variant of VERW clears the CPU buffers.
  */
-.macro CLEAR_CPU_BUFFERS
-	ALTERNATIVE "jmp .Lskip_verw_\@", "", X86_FEATURE_CLEAR_CPU_BUF
+.macro __CLEAR_CPU_BUFFERS feature
+	ALTERNATIVE "jmp .Lskip_verw_\@", "", \feature
 #ifdef CONFIG_X86_64
-	verw mds_verw_sel(%rip)
+	verw x86_verw_sel(%rip)
 #else
 	/*
 	 * In 32bit mode, the memory operand must be a %cs reference. The data
 	 * segments may not be usable (vm86 mode), and the stack segment may not
 	 * be flat (ESPFIX32).
 	 */
-	verw %cs:mds_verw_sel
+	verw %cs:x86_verw_sel
 #endif
 .Lskip_verw_\@:
 .endm
 
+#define CLEAR_CPU_BUFFERS \
+	__CLEAR_CPU_BUFFERS X86_FEATURE_CLEAR_CPU_BUF
+
+#define VM_CLEAR_CPU_BUFFERS \
+	__CLEAR_CPU_BUFFERS X86_FEATURE_CLEAR_CPU_BUF_VM
+
 #ifdef CONFIG_X86_64
 .macro CLEAR_BRANCH_HISTORY
 	ALTERNATIVE "", "call clear_bhb_loop", X86_FEATURE_CLEAR_BHB_LOOP
@@ -429,24 +435,24 @@ DECLARE_STATIC_KEY_FALSE(switch_to_cond_stibp);
 DECLARE_STATIC_KEY_FALSE(switch_mm_cond_ibpb);
 DECLARE_STATIC_KEY_FALSE(switch_mm_always_ibpb);
 
-DECLARE_STATIC_KEY_FALSE(mds_idle_clear);
+DECLARE_STATIC_KEY_FALSE(cpu_buf_idle_clear);
 
 DECLARE_STATIC_KEY_FALSE(switch_mm_cond_l1d_flush);
 
 DECLARE_STATIC_KEY_FALSE(mmio_stale_data_clear);
 
-extern u16 mds_verw_sel;
+extern u16 x86_verw_sel;
 
 #include <asm/segment.h>
 
 /**
- * mds_clear_cpu_buffers - Mitigation for MDS and TAA vulnerability
+ * x86_clear_cpu_buffers - Buffer clearing support for different x86 CPU vulns
  *
  * This uses the otherwise unused and obsolete VERW instruction in
  * combination with microcode which triggers a CPU buffer flush when the
  * instruction is executed.
  */
-static __always_inline void mds_clear_cpu_buffers(void)
+static __always_inline void x86_clear_cpu_buffers(void)
 {
 	static const u16 ds = __KERNEL_DS;
 
@@ -463,14 +469,15 @@ static __always_inline void mds_clear_cpu_buffers(void)
 }
 
 /**
- * mds_idle_clear_cpu_buffers - Mitigation for MDS vulnerability
+ * x86_idle_clear_cpu_buffers - Buffer clearing support in idle for the MDS
+ * and TSA vulnerabilities.
  *
  * Clear CPU buffers if the corresponding static key is enabled
  */
-static inline void mds_idle_clear_cpu_buffers(void)
+static __always_inline void x86_idle_clear_cpu_buffers(void)
 {
-	if (static_branch_likely(&mds_idle_clear))
-		mds_clear_cpu_buffers();
+	if (static_branch_likely(&cpu_buf_idle_clear))
+		x86_clear_cpu_buffers();
 }
 
 #endif /* __ASSEMBLY__ */
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index a8dc7fe5f100..d409ba7fba85 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -582,6 +582,61 @@ static void early_init_amd_mc(struct cpuinfo_x86 *c)
 #endif
 }
 
+static bool amd_check_tsa_microcode(void)
+{
+	struct cpuinfo_x86 *c = &boot_cpu_data;
+	union zen_patch_rev p;
+	u32 min_rev = 0;
+
+	p.ext_fam	= c->x86 - 0xf;
+	p.model		= c->x86_model;
+	p.stepping	= c->x86_stepping;
+
+	if (c->x86 == 0x19) {
+		switch (p.ucode_rev >> 8) {
+		case 0xa0011:	min_rev = 0x0a0011d7; break;
+		case 0xa0012:	min_rev = 0x0a00123b; break;
+		case 0xa0082:	min_rev = 0x0a00820d; break;
+		case 0xa1011:	min_rev = 0x0a10114c; break;
+		case 0xa1012:	min_rev = 0x0a10124c; break;
+		case 0xa1081:	min_rev = 0x0a108109; break;
+		case 0xa2010:	min_rev = 0x0a20102e; break;
+		case 0xa2012:	min_rev = 0x0a201211; break;
+		case 0xa4041:	min_rev = 0x0a404108; break;
+		case 0xa5000:	min_rev = 0x0a500012; break;
+		case 0xa6012:	min_rev = 0x0a60120a; break;
+		case 0xa7041:	min_rev = 0x0a704108; break;
+		case 0xa7052:	min_rev = 0x0a705208; break;
+		case 0xa7080:	min_rev = 0x0a708008; break;
+		case 0xa70c0:	min_rev = 0x0a70c008; break;
+		case 0xaa002:	min_rev = 0x0aa00216; break;
+		default:
+			pr_debug("%s: ucode_rev: 0x%x, current revision: 0x%x\n",
+				 __func__, p.ucode_rev, c->microcode);
+			return false;
+		}
+	}
+
+	if (!min_rev)
+		return false;
+
+	return c->microcode >= min_rev;
+}
+
+static void tsa_init(struct cpuinfo_x86 *c)
+{
+	if (cpu_has(c, X86_FEATURE_HYPERVISOR))
+		return;
+
+	if (c->x86 == 0x19) {
+		if (amd_check_tsa_microcode())
+			setup_force_cpu_cap(X86_FEATURE_VERW_CLEAR);
+	} else {
+		setup_force_cpu_cap(X86_FEATURE_TSA_SQ_NO);
+		setup_force_cpu_cap(X86_FEATURE_TSA_L1_NO);
+	}
+}
+
 static void bsp_init_amd(struct cpuinfo_x86 *c)
 {
 	if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) {
@@ -687,6 +742,9 @@ static void early_detect_mem_encrypt(struct cpuinfo_x86 *c)
 		if (!(msr & MSR_K7_HWCR_SMMLOCK))
 			goto clear_sev;
 
+
+	tsa_init(c);
+
 		return;
 
 clear_all:
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 63af3d73d19e..261aa716971d 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -49,6 +49,7 @@ static void __init l1d_flush_select_mitigation(void);
 static void __init gds_select_mitigation(void);
 static void __init srso_select_mitigation(void);
 static void __init its_select_mitigation(void);
+static void __init tsa_select_mitigation(void);
 
 /* The base value of the SPEC_CTRL MSR without task-specific bits set */
 u64 x86_spec_ctrl_base;
@@ -121,9 +122,9 @@ DEFINE_STATIC_KEY_FALSE(switch_mm_cond_ibpb);
 /* Control unconditional IBPB in switch_mm() */
 DEFINE_STATIC_KEY_FALSE(switch_mm_always_ibpb);
 
-/* Control MDS CPU buffer clear before idling (halt, mwait) */
-DEFINE_STATIC_KEY_FALSE(mds_idle_clear);
-EXPORT_SYMBOL_GPL(mds_idle_clear);
+/* Control CPU buffer clear before idling (halt, mwait) */
+DEFINE_STATIC_KEY_FALSE(cpu_buf_idle_clear);
+EXPORT_SYMBOL_GPL(cpu_buf_idle_clear);
 
 /*
  * Controls whether l1d flush based mitigations are enabled,
@@ -184,6 +185,7 @@ void __init cpu_select_mitigations(void)
 	srso_select_mitigation();
 	gds_select_mitigation();
 	its_select_mitigation();
+	tsa_select_mitigation();
 }
 
 /*
@@ -451,7 +453,7 @@ static void __init mmio_select_mitigation(void)
 	 * is required irrespective of SMT state.
 	 */
 	if (!(x86_arch_cap_msr & ARCH_CAP_FBSDP_NO))
-		static_branch_enable(&mds_idle_clear);
+		static_branch_enable(&cpu_buf_idle_clear);
 
 	/*
 	 * Check if the system has the right microcode.
@@ -2028,10 +2030,10 @@ static void update_mds_branch_idle(void)
 		return;
 
 	if (sched_smt_active()) {
-		static_branch_enable(&mds_idle_clear);
+		static_branch_enable(&cpu_buf_idle_clear);
 	} else if (mmio_mitigation == MMIO_MITIGATION_OFF ||
 		   (x86_arch_cap_msr & ARCH_CAP_FBSDP_NO)) {
-		static_branch_disable(&mds_idle_clear);
+		static_branch_disable(&cpu_buf_idle_clear);
 	}
 }
 
@@ -2039,6 +2041,94 @@ static void update_mds_branch_idle(void)
 #define TAA_MSG_SMT "TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details.\n"
 #define MMIO_MSG_SMT "MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details.\n"
 
+#undef pr_fmt
+#define pr_fmt(fmt)	"Transient Scheduler Attacks: " fmt
+
+enum tsa_mitigations {
+	TSA_MITIGATION_NONE,
+	TSA_MITIGATION_UCODE_NEEDED,
+	TSA_MITIGATION_USER_KERNEL,
+	TSA_MITIGATION_VM,
+	TSA_MITIGATION_FULL,
+};
+
+static const char * const tsa_strings[] = {
+	[TSA_MITIGATION_NONE]		= "Vulnerable",
+	[TSA_MITIGATION_UCODE_NEEDED]	= "Vulnerable: Clear CPU buffers attempted, no microcode",
+	[TSA_MITIGATION_USER_KERNEL]	= "Mitigation: Clear CPU buffers: user/kernel boundary",
+	[TSA_MITIGATION_VM]		= "Mitigation: Clear CPU buffers: VM",
+	[TSA_MITIGATION_FULL]		= "Mitigation: Clear CPU buffers",
+};
+
+static enum tsa_mitigations tsa_mitigation __ro_after_init =
+	IS_ENABLED(CONFIG_MITIGATION_TSA) ? TSA_MITIGATION_FULL : TSA_MITIGATION_NONE;
+
+static int __init tsa_parse_cmdline(char *str)
+{
+	if (!str)
+		return -EINVAL;
+
+	if (!strcmp(str, "off"))
+		tsa_mitigation = TSA_MITIGATION_NONE;
+	else if (!strcmp(str, "on"))
+		tsa_mitigation = TSA_MITIGATION_FULL;
+	else if (!strcmp(str, "user"))
+		tsa_mitigation = TSA_MITIGATION_USER_KERNEL;
+	else if (!strcmp(str, "vm"))
+		tsa_mitigation = TSA_MITIGATION_VM;
+	else
+		pr_err("Ignoring unknown tsa=%s option.\n", str);
+
+	return 0;
+}
+early_param("tsa", tsa_parse_cmdline);
+
+static void __init tsa_select_mitigation(void)
+{
+	if (tsa_mitigation == TSA_MITIGATION_NONE)
+		return;
+
+	if (cpu_mitigations_off() || !boot_cpu_has_bug(X86_BUG_TSA)) {
+		tsa_mitigation = TSA_MITIGATION_NONE;
+		return;
+	}
+
+	if (!boot_cpu_has(X86_FEATURE_VERW_CLEAR))
+		tsa_mitigation = TSA_MITIGATION_UCODE_NEEDED;
+
+	switch (tsa_mitigation) {
+	case TSA_MITIGATION_USER_KERNEL:
+		setup_force_cpu_cap(X86_FEATURE_CLEAR_CPU_BUF);
+		break;
+
+	case TSA_MITIGATION_VM:
+		setup_force_cpu_cap(X86_FEATURE_CLEAR_CPU_BUF_VM);
+		break;
+
+	case TSA_MITIGATION_UCODE_NEEDED:
+		if (!boot_cpu_has(X86_FEATURE_HYPERVISOR))
+			goto out;
+
+		pr_notice("Forcing mitigation on in a VM\n");
+
+		/*
+		 * On the off-chance that microcode has been updated
+		 * on the host, enable the mitigation in the guest just
+		 * in case.
+		 */
+		fallthrough;
+	case TSA_MITIGATION_FULL:
+		setup_force_cpu_cap(X86_FEATURE_CLEAR_CPU_BUF);
+		setup_force_cpu_cap(X86_FEATURE_CLEAR_CPU_BUF_VM);
+		break;
+	default:
+		break;
+	}
+
+out:
+	pr_info("%s\n", tsa_strings[tsa_mitigation]);
+}
+
 void cpu_bugs_smt_update(void)
 {
 	mutex_lock(&spec_ctrl_mutex);
@@ -2092,6 +2182,24 @@ void cpu_bugs_smt_update(void)
 		break;
 	}
 
+	switch (tsa_mitigation) {
+	case TSA_MITIGATION_USER_KERNEL:
+	case TSA_MITIGATION_VM:
+	case TSA_MITIGATION_FULL:
+	case TSA_MITIGATION_UCODE_NEEDED:
+		/*
+		 * TSA-SQ can potentially lead to info leakage between
+		 * SMT threads.
+		 */
+		if (sched_smt_active())
+			static_branch_enable(&cpu_buf_idle_clear);
+		else
+			static_branch_disable(&cpu_buf_idle_clear);
+		break;
+	case TSA_MITIGATION_NONE:
+		break;
+	}
+
 	mutex_unlock(&spec_ctrl_mutex);
 }
 
@@ -3026,6 +3134,11 @@ static ssize_t srso_show_state(char *buf)
 			  boot_cpu_has(X86_FEATURE_IBPB_BRTYPE) ? "" : ", no microcode");
 }
 
+static ssize_t tsa_show_state(char *buf)
+{
+	return sysfs_emit(buf, "%s\n", tsa_strings[tsa_mitigation]);
+}
+
 static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr,
 			       char *buf, unsigned int bug)
 {
@@ -3087,6 +3200,9 @@ static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr
 	case X86_BUG_ITS:
 		return its_show_state(buf);
 
+	case X86_BUG_TSA:
+		return tsa_show_state(buf);
+
 	default:
 		break;
 	}
@@ -3171,4 +3287,9 @@ ssize_t cpu_show_indirect_target_selection(struct device *dev, struct device_att
 {
 	return cpu_show_common(dev, attr, buf, X86_BUG_ITS);
 }
+
+ssize_t cpu_show_tsa(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	return cpu_show_common(dev, attr, buf, X86_BUG_TSA);
+}
 #endif
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 8db11483e1e1..b16a77386236 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1146,6 +1146,8 @@ static const __initconst struct x86_cpu_id cpu_vuln_whitelist[] = {
 #define ITS		BIT(8)
 /* CPU is affected by Indirect Target Selection, but guest-host isolation is not affected */
 #define ITS_NATIVE_ONLY	BIT(9)
+/* CPU is affected by Transient Scheduler Attacks */
+#define TSA		BIT(10)
 
 static const struct x86_cpu_id cpu_vuln_blacklist[] __initconst = {
 	VULNBL_INTEL_STEPPINGS(IVYBRIDGE,	X86_STEPPING_ANY,		SRBDS),
@@ -1193,7 +1195,7 @@ static const struct x86_cpu_id cpu_vuln_blacklist[] __initconst = {
 	VULNBL_AMD(0x16, RETBLEED),
 	VULNBL_AMD(0x17, RETBLEED | SMT_RSB | SRSO),
 	VULNBL_HYGON(0x18, RETBLEED | SMT_RSB | SRSO),
-	VULNBL_AMD(0x19, SRSO),
+	VULNBL_AMD(0x19, SRSO | TSA),
 	{}
 };
 
@@ -1398,6 +1400,16 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
 			setup_force_cpu_bug(X86_BUG_ITS_NATIVE_ONLY);
 	}
 
+	if (c->x86_vendor == X86_VENDOR_AMD) {
+		if (!cpu_has(c, X86_FEATURE_TSA_SQ_NO) ||
+		    !cpu_has(c, X86_FEATURE_TSA_L1_NO)) {
+			if (cpu_matches(cpu_vuln_blacklist, TSA) ||
+			    /* Enable bug on Zen guests to allow for live migration. */
+			    (cpu_has(c, X86_FEATURE_HYPERVISOR) && cpu_has(c, X86_FEATURE_ZEN)))
+				setup_force_cpu_bug(X86_BUG_TSA);
+		}
+	}
+
 	if (cpu_matches(cpu_vuln_whitelist, NO_MELTDOWN))
 		return;
 
diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c
index 0f5211087810..dfcd3ed94c1c 100644
--- a/arch/x86/kernel/cpu/scattered.c
+++ b/arch/x86/kernel/cpu/scattered.c
@@ -44,6 +44,8 @@ static const struct cpuid_bit cpuid_bits[] = {
 	{ X86_FEATURE_CPB,		CPUID_EDX,  9, 0x80000007, 0 },
 	{ X86_FEATURE_PROC_FEEDBACK,    CPUID_EDX, 11, 0x80000007, 0 },
 	{ X86_FEATURE_MBA,		CPUID_EBX,  6, 0x80000008, 0 },
+	{ X86_FEATURE_TSA_SQ_NO,	CPUID_ECX,  1, 0x80000021, 0 },
+	{ X86_FEATURE_TSA_L1_NO,	CPUID_ECX,  2, 0x80000021, 0 },
 	{ 0, 0, 0, 0, 0 }
 };
 
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 81d82ca6291e..5ce91d5dfab0 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -836,6 +836,11 @@ static int prefer_mwait_c1_over_halt(const struct cpuinfo_x86 *c)
  */
 static __cpuidle void mwait_idle(void)
 {
+	if (need_resched())
+		return;
+
+	x86_idle_clear_cpu_buffers();
+
 	if (!current_set_polling_and_test()) {
 		if (this_cpu_has(X86_BUG_CLFLUSH_MONITOR)) {
 			mb(); /* quirk */
@@ -844,13 +849,17 @@ static __cpuidle void mwait_idle(void)
 		}
 
 		__monitor((void *)&current_thread_info()->flags, 0, 0);
-		if (!need_resched())
-			__sti_mwait(0, 0);
-		else
+		if (need_resched()) {
 			raw_local_irq_enable();
+			goto out;
+		}
+
+		__sti_mwait(0, 0);
 	} else {
 		raw_local_irq_enable();
 	}
+
+out:
 	__current_clr_polling();
 }
 
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 786584a9904c..3bdb522d48bc 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -553,6 +553,12 @@ void kvm_set_cpu_caps(void)
 	if (cpu_feature_enabled(X86_FEATURE_SRSO_NO))
 		kvm_cpu_cap_set(X86_FEATURE_SRSO_NO);
 
+	kvm_cpu_cap_mask(CPUID_8000_0021_EAX, F(VERW_CLEAR));
+
+	kvm_cpu_cap_init_kvm_defined(CPUID_8000_0021_ECX,
+		F(TSA_SQ_NO) | F(TSA_L1_NO)
+	);
+
 	/*
 	 * Hide RDTSCP and RDPID if either feature is reported as supported but
 	 * probing MSR_TSC_AUX failed.  This is purely a sanity check and
@@ -915,7 +921,7 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
 		entry->edx = 0;
 		break;
 	case 0x80000000:
-		entry->eax = min(entry->eax, 0x8000001f);
+		entry->eax = min(entry->eax, 0x80000021);
 		break;
 	case 0x80000001:
 		entry->ebx &= ~GENMASK(27, 16);
@@ -995,6 +1001,23 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
 			entry->ebx &= ~GENMASK(11, 6);
 		}
 		break;
+	case 0x80000020:
+		entry->eax = entry->ebx = entry->ecx = entry->edx = 0;
+		break;
+	case 0x80000021:
+		entry->ebx = entry->ecx = entry->edx = 0;
+		/*
+		 * Pass down these bits:
+		 *    EAX      0      NNDBP, Processor ignores nested data breakpoints
+		 *    EAX      2      LAS, LFENCE always serializing
+		 *    EAX      6      NSCB, Null selector clear base
+		 *
+		 * Other defined bits are for MSRs that KVM does not expose:
+		 *   EAX      3      SPCL, SMM page configuration lock
+		 *   EAX      13     PCMSR, Prefetch control MSR
+		 */
+		entry->eax &= BIT(0) | BIT(2) | BIT(6);
+		break;
 	/*Add support for Centaur's CPUID instruction*/
 	case 0xC0000000:
 		/*Just support up to 0xC0000004 now*/
diff --git a/arch/x86/kvm/reverse_cpuid.h b/arch/x86/kvm/reverse_cpuid.h
index e43909d6504a..7fbd24fbf363 100644
--- a/arch/x86/kvm/reverse_cpuid.h
+++ b/arch/x86/kvm/reverse_cpuid.h
@@ -14,6 +14,7 @@
 enum kvm_only_cpuid_leafs {
 	CPUID_12_EAX	 = NCAPINTS,
 	CPUID_7_2_EDX,
+	CPUID_8000_0021_ECX,
 	NR_KVM_CPU_CAPS,
 
 	NKVMCAPINTS = NR_KVM_CPU_CAPS - NCAPINTS,
@@ -45,6 +46,10 @@ enum kvm_only_cpuid_leafs {
 #define KVM_X86_FEATURE_BHI_CTRL	KVM_X86_FEATURE(CPUID_7_2_EDX, 4)
 #define X86_FEATURE_MCDT_NO		KVM_X86_FEATURE(CPUID_7_2_EDX, 5)
 
+/* CPUID level 0x80000021 (ECX) */
+#define KVM_X86_FEATURE_TSA_SQ_NO	KVM_X86_FEATURE(CPUID_8000_0021_ECX, 1)
+#define KVM_X86_FEATURE_TSA_L1_NO	KVM_X86_FEATURE(CPUID_8000_0021_ECX, 2)
+
 struct cpuid_reg {
 	u32 function;
 	u32 index;
@@ -71,6 +76,7 @@ static const struct cpuid_reg reverse_cpuid[] = {
 	[CPUID_8000_001F_EAX] = {0x8000001f, 0, CPUID_EAX},
 	[CPUID_8000_0021_EAX] = {0x80000021, 0, CPUID_EAX},
 	[CPUID_7_2_EDX]       = {         7, 2, CPUID_EDX},
+	[CPUID_8000_0021_ECX] = {0x80000021, 0, CPUID_ECX},
 };
 
 /*
@@ -107,6 +113,8 @@ static __always_inline u32 __feature_translate(int x86_feature)
 	KVM_X86_TRANSLATE_FEATURE(SGX2);
 	KVM_X86_TRANSLATE_FEATURE(RRSBA_CTRL);
 	KVM_X86_TRANSLATE_FEATURE(BHI_CTRL);
+	KVM_X86_TRANSLATE_FEATURE(TSA_SQ_NO);
+	KVM_X86_TRANSLATE_FEATURE(TSA_L1_NO);
 	default:
 		return x86_feature;
 	}
diff --git a/arch/x86/kvm/svm/vmenter.S b/arch/x86/kvm/svm/vmenter.S
index f96060855522..eeab012e4ee0 100644
--- a/arch/x86/kvm/svm/vmenter.S
+++ b/arch/x86/kvm/svm/vmenter.S
@@ -77,6 +77,9 @@ SYM_FUNC_START(__svm_vcpu_run)
 	/* "POP" @vmcb to RAX. */
 	pop %_ASM_AX
 
+	/* Clobbers EFLAGS.ZF */
+	VM_CLEAR_CPU_BUFFERS
+
 	/* Enter guest mode */
 	sti
 
@@ -190,6 +193,9 @@ SYM_FUNC_START(__svm_sev_es_vcpu_run)
 	/* Move @vmcb to RAX. */
 	mov %_ASM_ARG1, %_ASM_AX
 
+	/* Clobbers EFLAGS.ZF */
+	VM_CLEAR_CPU_BUFFERS
+
 	/* Enter guest mode */
 	sti
 
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 5e3e60bdaa5e..b0553e002e0a 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -6771,7 +6771,7 @@ static noinstr void vmx_vcpu_enter_exit(struct kvm_vcpu *vcpu,
 		vmx_l1d_flush(vcpu);
 	else if (static_branch_unlikely(&mmio_stale_data_clear) &&
 		 kvm_arch_has_assigned_device(vcpu->kvm))
-		mds_clear_cpu_buffers();
+		x86_clear_cpu_buffers();
 
 	vmx_disable_fb_clear(vmx);
 
diff --git a/arch/x86/um/asm/checksum.h b/arch/x86/um/asm/checksum.h
index b07824500363..ddc144657efa 100644
--- a/arch/x86/um/asm/checksum.h
+++ b/arch/x86/um/asm/checksum.h
@@ -20,6 +20,9 @@
  */
 extern __wsum csum_partial(const void *buff, int len, __wsum sum);
 
+/* Do not call this directly. Declared for export type visibility. */
+extern __visible __wsum csum_partial_copy_generic(const void *src, void *dst, int len);
+
 /**
  * csum_fold - Fold and invert a 32bit checksum.
  * sum: 32bit unfolded sum
diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index ee1832ba39a2..132ab74935be 100644
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -483,6 +483,13 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
 		return_ACPI_STATUS(AE_NULL_OBJECT);
 	}
 
+	if (this_walk_state->num_operands < obj_desc->method.param_count) {
+		ACPI_ERROR((AE_INFO, "Missing argument for method [%4.4s]",
+			    acpi_ut_get_node_name(method_node)));
+
+		return_ACPI_STATUS(AE_AML_UNINITIALIZED_ARG);
+	}
+
 	/* Init for new method, possibly wait on method mutex */
 
 	status =
diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c
index 760ac6e65216..3737d1bf1539 100644
--- a/drivers/ata/pata_cs5536.c
+++ b/drivers/ata/pata_cs5536.c
@@ -27,7 +27,7 @@
 #include <scsi/scsi_host.h>
 #include <linux/dmi.h>
 
-#ifdef CONFIG_X86_32
+#if defined(CONFIG_X86) && defined(CONFIG_X86_32)
 #include <asm/msr.h>
 static int use_msr;
 module_param_named(msr, use_msr, int, 0644);
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index df196e073097..0e7f7f54665d 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -601,6 +601,11 @@ ssize_t __weak cpu_show_indirect_target_selection(struct device *dev,
 	return sysfs_emit(buf, "Not affected\n");
 }
 
+ssize_t __weak cpu_show_tsa(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	return sysfs_emit(buf, "Not affected\n");
+}
+
 static DEVICE_ATTR(meltdown, 0444, cpu_show_meltdown, NULL);
 static DEVICE_ATTR(spectre_v1, 0444, cpu_show_spectre_v1, NULL);
 static DEVICE_ATTR(spectre_v2, 0444, cpu_show_spectre_v2, NULL);
@@ -616,6 +621,7 @@ static DEVICE_ATTR(gather_data_sampling, 0444, cpu_show_gds, NULL);
 static DEVICE_ATTR(spec_rstack_overflow, 0444, cpu_show_spec_rstack_overflow, NULL);
 static DEVICE_ATTR(reg_file_data_sampling, 0444, cpu_show_reg_file_data_sampling, NULL);
 static DEVICE_ATTR(indirect_target_selection, 0444, cpu_show_indirect_target_selection, NULL);
+static DEVICE_ATTR(tsa, 0444, cpu_show_tsa, NULL);
 
 static struct attribute *cpu_root_vulnerabilities_attrs[] = {
 	&dev_attr_meltdown.attr,
@@ -633,6 +639,7 @@ static struct attribute *cpu_root_vulnerabilities_attrs[] = {
 	&dev_attr_spec_rstack_overflow.attr,
 	&dev_attr_reg_file_data_sampling.attr,
 	&dev_attr_indirect_target_selection.attr,
+	&dev_attr_tsa.attr,
 	NULL
 };
 
diff --git a/drivers/clk/ti/clk-43xx.c b/drivers/clk/ti/clk-43xx.c
index 46c0add99570..6e97a541cfd3 100644
--- a/drivers/clk/ti/clk-43xx.c
+++ b/drivers/clk/ti/clk-43xx.c
@@ -116,6 +116,7 @@ static const struct omap_clkctrl_reg_data am4_l3s_clkctrl_regs[] __initconst = {
 	{ AM4_L3S_VPFE0_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk" },
 	{ AM4_L3S_VPFE1_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk" },
 	{ AM4_L3S_GPMC_CLKCTRL, NULL, CLKF_SW_SUP, "l3s_gclk" },
+	{ AM4_L3S_ADC1_CLKCTRL, NULL, CLKF_SW_SUP, "l3s_gclk" },
 	{ AM4_L3S_MCASP0_CLKCTRL, NULL, CLKF_SW_SUP, "mcasp0_fck" },
 	{ AM4_L3S_MCASP1_CLKCTRL, NULL, CLKF_SW_SUP, "mcasp1_fck" },
 	{ AM4_L3S_MMC3_CLKCTRL, NULL, CLKF_SW_SUP, "mmc_clk" },
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index edc2bb8f0523..48ac51447bae 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -2861,6 +2861,8 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev,
 		return -EINVAL;
 	}
 
+	xdev->common.directions |= chan->direction;
+
 	/* Request the interrupt */
 	chan->irq = irq_of_parse_and_map(node, chan->tdest);
 	err = request_irq(chan->irq, xdev->dma_config->irq_handler,
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
index 7ea3f671b325..250527075acd 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
@@ -195,7 +195,7 @@ static int pm_map_queues_v9(struct packet_manager *pm, uint32_t *buffer,
 
 	packet->bitfields2.engine_sel =
 		engine_sel__mes_map_queues__compute_vi;
-	packet->bitfields2.gws_control_queue = q->gws ? 1 : 0;
+	packet->bitfields2.gws_control_queue = q->properties.is_gws ? 1 : 0;
 	packet->bitfields2.extended_engine_sel =
 		extended_engine_sel__mes_map_queues__legacy_engine_sel;
 	packet->bitfields2.queue_type =
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
index 11939be2b46a..b840da3f052a 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
@@ -364,6 +364,9 @@ enum mod_hdcp_status mod_hdcp_hdcp1_enable_encryption(struct mod_hdcp *hdcp)
 	struct mod_hdcp_display *display = get_first_active_display(hdcp);
 	enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
 
+	if (!display)
+		return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+
 	mutex_lock(&psp->hdcp_context.mutex);
 	hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
 	memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
diff --git a/drivers/gpu/drm/bridge/cdns-dsi.c b/drivers/gpu/drm/bridge/cdns-dsi.c
index dd57b104aec3..3455c690f85a 100644
--- a/drivers/gpu/drm/bridge/cdns-dsi.c
+++ b/drivers/gpu/drm/bridge/cdns-dsi.c
@@ -608,15 +608,18 @@ static int cdns_dsi_check_conf(struct cdns_dsi *dsi,
 	struct phy_configure_opts_mipi_dphy *phy_cfg = &output->phy_opts.mipi_dphy;
 	unsigned long dsi_hss_hsa_hse_hbp;
 	unsigned int nlanes = output->dev->lanes;
+	int mode_clock = (mode_valid_check ? mode->clock : mode->crtc_clock);
 	int ret;
 
 	ret = cdns_dsi_mode2cfg(dsi, mode, dsi_cfg, mode_valid_check);
 	if (ret)
 		return ret;
 
-	phy_mipi_dphy_get_default_config(mode->crtc_clock * 1000,
-					 mipi_dsi_pixel_format_to_bpp(output->dev->format),
-					 nlanes, phy_cfg);
+	ret = phy_mipi_dphy_get_default_config(mode_clock * 1000,
+					       mipi_dsi_pixel_format_to_bpp(output->dev->format),
+					       nlanes, phy_cfg);
+	if (ret)
+		return ret;
 
 	ret = cdns_dsi_adjust_phy_config(dsi, dsi_cfg, phy_cfg, mode, mode_valid_check);
 	if (ret)
@@ -786,8 +789,9 @@ static void cdns_dsi_bridge_enable(struct drm_bridge *bridge)
 	struct phy_configure_opts_mipi_dphy *phy_cfg = &output->phy_opts.mipi_dphy;
 	unsigned long tx_byte_period;
 	struct cdns_dsi_cfg dsi_cfg;
-	u32 tmp, reg_wakeup, div;
+	u32 tmp, reg_wakeup, div, status;
 	int nlanes;
+	int i;
 
 	if (WARN_ON(pm_runtime_get_sync(dsi->base.dev) < 0))
 		return;
@@ -800,6 +804,19 @@ static void cdns_dsi_bridge_enable(struct drm_bridge *bridge)
 	cdns_dsi_hs_init(dsi);
 	cdns_dsi_init_link(dsi);
 
+	/*
+	 * Now that the DSI Link and DSI Phy are initialized,
+	 * wait for the CLK and Data Lanes to be ready.
+	 */
+	tmp = CLK_LANE_RDY;
+	for (i = 0; i < nlanes; i++)
+		tmp |= DATA_LANE_RDY(i);
+
+	if (readl_poll_timeout(dsi->regs + MCTL_MAIN_STS, status,
+			       (tmp == (status & tmp)), 100, 500000))
+		dev_err(dsi->base.dev,
+			"Timed Out: DSI-DPhy Clock and Data Lanes not ready.\n");
+
 	writel(HBP_LEN(dsi_cfg.hbp) | HSA_LEN(dsi_cfg.hsa),
 	       dsi->regs + VID_HSIZE1);
 	writel(HFP_LEN(dsi_cfg.hfp) | HACT_LEN(dsi_cfg.hact),
@@ -960,7 +977,7 @@ static int cdns_dsi_attach(struct mipi_dsi_host *host,
 		bridge = drm_panel_bridge_add_typed(panel,
 						    DRM_MODE_CONNECTOR_DSI);
 	} else {
-		bridge = of_drm_find_bridge(dev->dev.of_node);
+		bridge = of_drm_find_bridge(np);
 		if (!bridge)
 			bridge = ERR_PTR(-EINVAL);
 	}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index f25e112a92ed..2a3152f97c84 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -182,6 +182,7 @@ struct fimd_context {
 	u32				i80ifcon;
 	bool				i80_if;
 	bool				suspended;
+	bool				dp_clk_enabled;
 	wait_queue_head_t		wait_vsync_queue;
 	atomic_t			wait_vsync_event;
 	atomic_t			win_updated;
@@ -1014,7 +1015,18 @@ static void fimd_dp_clock_enable(struct exynos_drm_clk *clk, bool enable)
 	struct fimd_context *ctx = container_of(clk, struct fimd_context,
 						dp_clk);
 	u32 val = enable ? DP_MIE_CLK_DP_ENABLE : DP_MIE_CLK_DISABLE;
+
+	if (enable == ctx->dp_clk_enabled)
+		return;
+
+	if (enable)
+		pm_runtime_resume_and_get(ctx->dev);
+
+	ctx->dp_clk_enabled = enable;
 	writel(val, ctx->regs + DP_MIE_CLKCON);
+
+	if (!enable)
+		pm_runtime_put(ctx->dev);
 }
 
 static const struct exynos_drm_crtc_ops fimd_crtc_ops = {
diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
index 02e18e70c78e..d85b80156913 100644
--- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
@@ -563,7 +563,6 @@ static int ring_context_alloc(struct intel_context *ce)
 	/* One ringbuffer to rule them all */
 	GEM_BUG_ON(!engine->legacy.ring);
 	ce->ring = engine->legacy.ring;
-	ce->timeline = intel_timeline_get(engine->legacy.timeline);
 
 	GEM_BUG_ON(ce->state);
 	if (engine->context_size) {
@@ -576,6 +575,8 @@ static int ring_context_alloc(struct intel_context *ce)
 		ce->state = vma;
 	}
 
+	ce->timeline = intel_timeline_get(engine->legacy.timeline);
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c
index 0e1a64b179a5..a4f1f5d2d983 100644
--- a/drivers/gpu/drm/i915/selftests/i915_request.c
+++ b/drivers/gpu/drm/i915/selftests/i915_request.c
@@ -72,8 +72,8 @@ static int igt_add_request(void *arg)
 	/* Basic preliminary test to create a request and let it loose! */
 
 	request = mock_request(rcs0(i915)->kernel_context, HZ / 10);
-	if (!request)
-		return -ENOMEM;
+	if (IS_ERR(request))
+		return PTR_ERR(request);
 
 	i915_request_add(request);
 
@@ -90,8 +90,8 @@ static int igt_wait_request(void *arg)
 	/* Submit a request, then wait upon it */
 
 	request = mock_request(rcs0(i915)->kernel_context, T);
-	if (!request)
-		return -ENOMEM;
+	if (IS_ERR(request))
+		return PTR_ERR(request);
 
 	i915_request_get(request);
 
@@ -159,8 +159,8 @@ static int igt_fence_wait(void *arg)
 	/* Submit a request, treat it as a fence and wait upon it */
 
 	request = mock_request(rcs0(i915)->kernel_context, T);
-	if (!request)
-		return -ENOMEM;
+	if (IS_ERR(request))
+		return PTR_ERR(request);
 
 	if (dma_fence_wait_timeout(&request->fence, false, T) != -ETIME) {
 		pr_err("fence wait success before submit (expected timeout)!\n");
@@ -214,8 +214,8 @@ static int igt_request_rewind(void *arg)
 	GEM_BUG_ON(IS_ERR(ce));
 	request = mock_request(ce, 2 * HZ);
 	intel_context_put(ce);
-	if (!request) {
-		err = -ENOMEM;
+	if (IS_ERR(request)) {
+		err = PTR_ERR(request);
 		goto err_context_0;
 	}
 
@@ -228,8 +228,8 @@ static int igt_request_rewind(void *arg)
 	GEM_BUG_ON(IS_ERR(ce));
 	vip = mock_request(ce, 0);
 	intel_context_put(ce);
-	if (!vip) {
-		err = -ENOMEM;
+	if (IS_ERR(vip)) {
+		err = PTR_ERR(vip);
 		goto err_context_1;
 	}
 
diff --git a/drivers/gpu/drm/i915/selftests/mock_request.c b/drivers/gpu/drm/i915/selftests/mock_request.c
index 09f747228dff..1b0cf073e964 100644
--- a/drivers/gpu/drm/i915/selftests/mock_request.c
+++ b/drivers/gpu/drm/i915/selftests/mock_request.c
@@ -35,7 +35,7 @@ mock_request(struct intel_context *ce, unsigned long delay)
 	/* NB the i915->requests slab cache is enlarged to fit mock_request */
 	request = intel_context_create_request(ce);
 	if (IS_ERR(request))
-		return NULL;
+		return request;
 
 	request->mock.delay = delay;
 	return request;
diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c
index fc2fb1019ea1..2ffb2ca88ffe 100644
--- a/drivers/gpu/drm/msm/msm_gem_submit.c
+++ b/drivers/gpu/drm/msm/msm_gem_submit.c
@@ -76,6 +76,15 @@ void __msm_gem_submit_destroy(struct kref *kref)
 	struct dma_fence *fence;
 	unsigned i;
 
+	/*
+	 * In error paths, we could unref the submit without calling
+	 * drm_sched_entity_push_job(), so msm_job_free() will never
+	 * get called.  Since drm_sched_job_cleanup() will NULL out
+	 * s_fence, we can use that to detect this case.
+	 */
+	if (submit->base.s_fence)
+		drm_sched_job_cleanup(&submit->base);
+
 	if (submit->fence_id) {
 		mutex_lock(&submit->queue->lock);
 		idr_remove(&submit->queue->fence_idr, submit->fence_id);
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index f44a64e89658..2047ab76c0c6 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -1221,10 +1221,16 @@ static struct drm_plane *tegra_dc_add_shared_planes(struct drm_device *drm,
 		if (wgrp->dc == dc->pipe) {
 			for (j = 0; j < wgrp->num_windows; j++) {
 				unsigned int index = wgrp->windows[j];
+				enum drm_plane_type type;
+
+				if (primary)
+					type = DRM_PLANE_TYPE_OVERLAY;
+				else
+					type = DRM_PLANE_TYPE_PRIMARY;
 
 				plane = tegra_shared_plane_create(drm, dc,
 								  wgrp->index,
-								  index);
+								  index, type);
 				if (IS_ERR(plane))
 					return plane;
 
@@ -1232,10 +1238,8 @@ static struct drm_plane *tegra_dc_add_shared_planes(struct drm_device *drm,
 				 * Choose the first shared plane owned by this
 				 * head as the primary plane.
 				 */
-				if (!primary) {
-					plane->type = DRM_PLANE_TYPE_PRIMARY;
+				if (!primary)
 					primary = plane;
-				}
 			}
 		}
 	}
@@ -1289,7 +1293,10 @@ static void tegra_crtc_reset(struct drm_crtc *crtc)
 	if (crtc->state)
 		tegra_crtc_atomic_destroy_state(crtc, crtc->state);
 
-	__drm_atomic_helper_crtc_reset(crtc, &state->base);
+	if (state)
+		__drm_atomic_helper_crtc_reset(crtc, &state->base);
+	else
+		__drm_atomic_helper_crtc_reset(crtc, NULL);
 }
 
 static struct drm_crtc_state *
diff --git a/drivers/gpu/drm/tegra/hub.c b/drivers/gpu/drm/tegra/hub.c
index b910155f80c4..930d424a26a0 100644
--- a/drivers/gpu/drm/tegra/hub.c
+++ b/drivers/gpu/drm/tegra/hub.c
@@ -747,9 +747,9 @@ static const struct drm_plane_helper_funcs tegra_shared_plane_helper_funcs = {
 struct drm_plane *tegra_shared_plane_create(struct drm_device *drm,
 					    struct tegra_dc *dc,
 					    unsigned int wgrp,
-					    unsigned int index)
+					    unsigned int index,
+					    enum drm_plane_type type)
 {
-	enum drm_plane_type type = DRM_PLANE_TYPE_OVERLAY;
 	struct tegra_drm *tegra = drm->dev_private;
 	struct tegra_display_hub *hub = tegra->hub;
 	struct tegra_shared_plane *plane;
diff --git a/drivers/gpu/drm/tegra/hub.h b/drivers/gpu/drm/tegra/hub.h
index 3efa1be07ff8..aa219450413a 100644
--- a/drivers/gpu/drm/tegra/hub.h
+++ b/drivers/gpu/drm/tegra/hub.h
@@ -81,7 +81,8 @@ void tegra_display_hub_cleanup(struct tegra_display_hub *hub);
 struct drm_plane *tegra_shared_plane_create(struct drm_device *drm,
 					    struct tegra_dc *dc,
 					    unsigned int wgrp,
-					    unsigned int index);
+					    unsigned int index,
+					    enum drm_plane_type type);
 
 int tegra_display_hub_atomic_check(struct drm_device *drm,
 				   struct drm_atomic_state *state);
diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index 5703277c6f52..60f671cb8148 100644
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -110,9 +110,9 @@ static void udl_usb_disconnect(struct usb_interface *interface)
 {
 	struct drm_device *dev = usb_get_intfdata(interface);
 
+	drm_dev_unplug(dev);
 	drm_kms_helper_poll_fini(dev);
 	udl_drop_usb(dev);
-	drm_dev_unplug(dev);
 }
 
 /*
diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h
index 270134779073..0d551b1d9b05 100644
--- a/drivers/gpu/drm/v3d/v3d_drv.h
+++ b/drivers/gpu/drm/v3d/v3d_drv.h
@@ -71,6 +71,12 @@ struct v3d_perfmon {
 	u64 values[];
 };
 
+enum v3d_irq {
+	V3D_CORE_IRQ,
+	V3D_HUB_IRQ,
+	V3D_MAX_IRQS,
+};
+
 struct v3d_dev {
 	struct drm_device drm;
 
@@ -80,6 +86,8 @@ struct v3d_dev {
 	int ver;
 	bool single_irq_line;
 
+	int irq[V3D_MAX_IRQS];
+
 	void __iomem *hub_regs;
 	void __iomem *core_regs[3];
 	void __iomem *bridge_regs;
diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c
index 805d6f6cba0e..ecd03ad9699a 100644
--- a/drivers/gpu/drm/v3d/v3d_gem.c
+++ b/drivers/gpu/drm/v3d/v3d_gem.c
@@ -120,6 +120,8 @@ v3d_reset(struct v3d_dev *v3d)
 	if (false)
 		v3d_idle_axi(v3d, 0);
 
+	v3d_irq_disable(v3d);
+
 	v3d_idle_gca(v3d);
 	v3d_reset_v3d(v3d);
 
diff --git a/drivers/gpu/drm/v3d/v3d_irq.c b/drivers/gpu/drm/v3d/v3d_irq.c
index b2d59a168697..9aba78e6d7a5 100644
--- a/drivers/gpu/drm/v3d/v3d_irq.c
+++ b/drivers/gpu/drm/v3d/v3d_irq.c
@@ -215,7 +215,7 @@ v3d_hub_irq(int irq, void *arg)
 int
 v3d_irq_init(struct v3d_dev *v3d)
 {
-	int irq1, ret, core;
+	int irq, ret, core;
 
 	INIT_WORK(&v3d->overflow_mem_work, v3d_overflow_mem_work);
 
@@ -226,17 +226,24 @@ v3d_irq_init(struct v3d_dev *v3d)
 		V3D_CORE_WRITE(core, V3D_CTL_INT_CLR, V3D_CORE_IRQS);
 	V3D_WRITE(V3D_HUB_INT_CLR, V3D_HUB_IRQS);
 
-	irq1 = platform_get_irq_optional(v3d_to_pdev(v3d), 1);
-	if (irq1 == -EPROBE_DEFER)
-		return irq1;
-	if (irq1 > 0) {
-		ret = devm_request_irq(v3d->drm.dev, irq1,
+	irq = platform_get_irq_optional(v3d_to_pdev(v3d), 1);
+	if (irq == -EPROBE_DEFER)
+		return irq;
+	if (irq > 0) {
+		v3d->irq[V3D_CORE_IRQ] = irq;
+
+		ret = devm_request_irq(v3d->drm.dev, v3d->irq[V3D_CORE_IRQ],
 				       v3d_irq, IRQF_SHARED,
 				       "v3d_core0", v3d);
 		if (ret)
 			goto fail;
-		ret = devm_request_irq(v3d->drm.dev,
-				       platform_get_irq(v3d_to_pdev(v3d), 0),
+
+		irq = platform_get_irq(v3d_to_pdev(v3d), 0);
+		if (irq < 0)
+			return irq;
+		v3d->irq[V3D_HUB_IRQ] = irq;
+
+		ret = devm_request_irq(v3d->drm.dev, v3d->irq[V3D_HUB_IRQ],
 				       v3d_hub_irq, IRQF_SHARED,
 				       "v3d_hub", v3d);
 		if (ret)
@@ -244,8 +251,12 @@ v3d_irq_init(struct v3d_dev *v3d)
 	} else {
 		v3d->single_irq_line = true;
 
-		ret = devm_request_irq(v3d->drm.dev,
-				       platform_get_irq(v3d_to_pdev(v3d), 0),
+		irq = platform_get_irq(v3d_to_pdev(v3d), 0);
+		if (irq < 0)
+			return irq;
+		v3d->irq[V3D_CORE_IRQ] = irq;
+
+		ret = devm_request_irq(v3d->drm.dev, v3d->irq[V3D_CORE_IRQ],
 				       v3d_irq, IRQF_SHARED,
 				       "v3d", v3d);
 		if (ret)
@@ -279,13 +290,19 @@ v3d_irq_enable(struct v3d_dev *v3d)
 void
 v3d_irq_disable(struct v3d_dev *v3d)
 {
-	int core;
+	int core, i;
 
 	/* Disable all interrupts. */
 	for (core = 0; core < v3d->cores; core++)
 		V3D_CORE_WRITE(core, V3D_CTL_INT_MSK_SET, ~0);
 	V3D_WRITE(V3D_HUB_INT_MSK_SET, ~0);
 
+	/* Finish any interrupt handler still in flight. */
+	for (i = 0; i < V3D_MAX_IRQS; i++) {
+		if (v3d->irq[i])
+			synchronize_irq(v3d->irq[i]);
+	}
+
 	/* Clear any pending interrupts we might have left. */
 	for (core = 0; core < v3d->cores; core++)
 		V3D_CORE_WRITE(core, V3D_CTL_INT_CLR, V3D_CORE_IRQS);
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 2cfd816a0f67..c8a8daedff3d 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -2020,14 +2020,18 @@ static int wacom_initialize_remotes(struct wacom *wacom)
 
 	remote->remote_dir = kobject_create_and_add("wacom_remote",
 						    &wacom->hdev->dev.kobj);
-	if (!remote->remote_dir)
+	if (!remote->remote_dir) {
+		kfifo_free(&remote->remote_fifo);
 		return -ENOMEM;
+	}
 
 	error = sysfs_create_files(remote->remote_dir, remote_unpair_attrs);
 
 	if (error) {
 		hid_err(wacom->hdev,
 			"cannot create sysfs group err: %d\n", error);
+		kfifo_free(&remote->remote_fifo);
+		kobject_put(remote->remote_dir);
 		return error;
 	}
 
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 62c864f8d991..cd9f01b7d37d 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -119,7 +119,9 @@ const struct vmbus_device vmbus_devs[] = {
 	},
 
 	/* File copy */
-	{ .dev_type = HV_FCOPY,
+	/* fcopy always uses 16KB ring buffer size and is working well for last many years */
+	{ .pref_ring_size = 0x4000,
+	  .dev_type = HV_FCOPY,
 	  HV_FCOPY_GUID,
 	  .perf_device = false,
 	  .allowed_in_isolated = false,
@@ -139,12 +141,19 @@ const struct vmbus_device vmbus_devs[] = {
 	  .allowed_in_isolated = false,
 	},
 
-	/* Unknown GUID */
-	{ .dev_type = HV_UNKNOWN,
+	/*
+	 * Unknown GUID
+	 * 64 KB ring buffer + 4 KB header should be sufficient size for any Hyper-V device apart
+	 * from HV_NIC and HV_SCSI. This case avoid the fallback for unknown devices to allocate
+	 * much bigger (2 MB) of ring size.
+	 */
+	{ .pref_ring_size = 0x11000,
+	  .dev_type = HV_UNKNOWN,
 	  .perf_device = false,
 	  .allowed_in_isolated = false,
 	},
 };
+EXPORT_SYMBOL_GPL(vmbus_devs);
 
 static const struct {
 	guid_t guid;
@@ -459,7 +468,7 @@ void hv_process_channel_removal(struct vmbus_channel *channel)
 	 * init_vp_index() can (re-)use the CPU.
 	 */
 	if (hv_is_perf_channel(channel))
-		hv_clear_alloced_cpu(channel->target_cpu);
+		hv_clear_allocated_cpu(channel->target_cpu);
 
 	/*
 	 * Upon suspend, an in-use hv_sock channel is marked as "rescinded" and
@@ -733,7 +742,7 @@ static void init_vp_index(struct vmbus_channel *channel)
 	bool perf_chn = hv_is_perf_channel(channel);
 	u32 i, ncpu = num_online_cpus();
 	cpumask_var_t available_mask;
-	struct cpumask *alloced_mask;
+	struct cpumask *allocated_mask;
 	u32 target_cpu;
 	int numa_node;
 
@@ -750,7 +759,7 @@ static void init_vp_index(struct vmbus_channel *channel)
 		 */
 		channel->target_cpu = VMBUS_CONNECT_CPU;
 		if (perf_chn)
-			hv_set_alloced_cpu(VMBUS_CONNECT_CPU);
+			hv_set_allocated_cpu(VMBUS_CONNECT_CPU);
 		return;
 	}
 
@@ -765,22 +774,22 @@ static void init_vp_index(struct vmbus_channel *channel)
 				continue;
 			break;
 		}
-		alloced_mask = &hv_context.hv_numa_map[numa_node];
+		allocated_mask = &hv_context.hv_numa_map[numa_node];
 
-		if (cpumask_weight(alloced_mask) ==
+		if (cpumask_weight(allocated_mask) ==
 		    cpumask_weight(cpumask_of_node(numa_node))) {
 			/*
 			 * We have cycled through all the CPUs in the node;
-			 * reset the alloced map.
+			 * reset the allocated map.
 			 */
-			cpumask_clear(alloced_mask);
+			cpumask_clear(allocated_mask);
 		}
 
-		cpumask_xor(available_mask, alloced_mask,
+		cpumask_xor(available_mask, allocated_mask,
 			    cpumask_of_node(numa_node));
 
 		target_cpu = cpumask_first(available_mask);
-		cpumask_set_cpu(target_cpu, alloced_mask);
+		cpumask_set_cpu(target_cpu, allocated_mask);
 
 		if (channel->offermsg.offer.sub_channel_index >= ncpu ||
 		    i > ncpu || !hv_cpuself_used(target_cpu, channel))
diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index 631f0a138c2b..b87adb3a9821 100644
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -405,7 +405,12 @@ static inline bool hv_is_perf_channel(struct vmbus_channel *channel)
 	return vmbus_devs[channel->device_id].perf_device;
 }
 
-static inline bool hv_is_alloced_cpu(unsigned int cpu)
+static inline size_t hv_dev_ring_size(struct vmbus_channel *channel)
+{
+	return vmbus_devs[channel->device_id].pref_ring_size;
+}
+
+static inline bool hv_is_allocated_cpu(unsigned int cpu)
 {
 	struct vmbus_channel *channel, *sc;
 
@@ -427,23 +432,23 @@ static inline bool hv_is_alloced_cpu(unsigned int cpu)
 	return false;
 }
 
-static inline void hv_set_alloced_cpu(unsigned int cpu)
+static inline void hv_set_allocated_cpu(unsigned int cpu)
 {
 	cpumask_set_cpu(cpu, &hv_context.hv_numa_map[cpu_to_node(cpu)]);
 }
 
-static inline void hv_clear_alloced_cpu(unsigned int cpu)
+static inline void hv_clear_allocated_cpu(unsigned int cpu)
 {
-	if (hv_is_alloced_cpu(cpu))
+	if (hv_is_allocated_cpu(cpu))
 		return;
 	cpumask_clear_cpu(cpu, &hv_context.hv_numa_map[cpu_to_node(cpu)]);
 }
 
-static inline void hv_update_alloced_cpus(unsigned int old_cpu,
+static inline void hv_update_allocated_cpus(unsigned int old_cpu,
 					  unsigned int new_cpu)
 {
-	hv_set_alloced_cpu(new_cpu);
-	hv_clear_alloced_cpu(old_cpu);
+	hv_set_allocated_cpu(new_cpu);
+	hv_clear_allocated_cpu(old_cpu);
 }
 
 #ifdef CONFIG_HYPERV_TESTING
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index cb3a5b13c3ec..f42c3cb3cc0a 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -1878,7 +1878,7 @@ static ssize_t target_cpu_store(struct vmbus_channel *channel,
 
 	/* See init_vp_index(). */
 	if (hv_is_perf_channel(channel))
-		hv_update_alloced_cpus(origin_cpu, target_cpu);
+		hv_update_allocated_cpus(origin_cpu, target_cpu);
 
 	/* Currently set only for storvsc channels. */
 	if (channel->change_target_cpu_callback) {
diff --git a/drivers/hwmon/pmbus/max34440.c b/drivers/hwmon/pmbus/max34440.c
index ea7609058a12..91359647d1e7 100644
--- a/drivers/hwmon/pmbus/max34440.c
+++ b/drivers/hwmon/pmbus/max34440.c
@@ -34,16 +34,21 @@ enum chips { max34440, max34441, max34446, max34451, max34460, max34461 };
 /*
  * The whole max344* family have IOUT_OC_WARN_LIMIT and IOUT_OC_FAULT_LIMIT
  * swapped from the standard pmbus spec addresses.
+ * For max34451, version MAX34451ETNA6+ and later has this issue fixed.
  */
 #define MAX34440_IOUT_OC_WARN_LIMIT	0x46
 #define MAX34440_IOUT_OC_FAULT_LIMIT	0x4A
 
+#define MAX34451ETNA6_MFR_REV		0x0012
+
 #define MAX34451_MFR_CHANNEL_CONFIG	0xe4
 #define MAX34451_MFR_CHANNEL_CONFIG_SEL_MASK	0x3f
 
 struct max34440_data {
 	int id;
 	struct pmbus_driver_info info;
+	u8 iout_oc_warn_limit;
+	u8 iout_oc_fault_limit;
 };
 
 #define to_max34440_data(x)  container_of(x, struct max34440_data, info)
@@ -60,11 +65,11 @@ static int max34440_read_word_data(struct i2c_client *client, int page,
 	switch (reg) {
 	case PMBUS_IOUT_OC_FAULT_LIMIT:
 		ret = pmbus_read_word_data(client, page, phase,
-					   MAX34440_IOUT_OC_FAULT_LIMIT);
+					   data->iout_oc_fault_limit);
 		break;
 	case PMBUS_IOUT_OC_WARN_LIMIT:
 		ret = pmbus_read_word_data(client, page, phase,
-					   MAX34440_IOUT_OC_WARN_LIMIT);
+					   data->iout_oc_warn_limit);
 		break;
 	case PMBUS_VIRT_READ_VOUT_MIN:
 		ret = pmbus_read_word_data(client, page, phase,
@@ -133,11 +138,11 @@ static int max34440_write_word_data(struct i2c_client *client, int page,
 
 	switch (reg) {
 	case PMBUS_IOUT_OC_FAULT_LIMIT:
-		ret = pmbus_write_word_data(client, page, MAX34440_IOUT_OC_FAULT_LIMIT,
+		ret = pmbus_write_word_data(client, page, data->iout_oc_fault_limit,
 					    word);
 		break;
 	case PMBUS_IOUT_OC_WARN_LIMIT:
-		ret = pmbus_write_word_data(client, page, MAX34440_IOUT_OC_WARN_LIMIT,
+		ret = pmbus_write_word_data(client, page, data->iout_oc_warn_limit,
 					    word);
 		break;
 	case PMBUS_VIRT_RESET_POUT_HISTORY:
@@ -235,6 +240,25 @@ static int max34451_set_supported_funcs(struct i2c_client *client,
 	 */
 
 	int page, rv;
+	bool max34451_na6 = false;
+
+	rv = i2c_smbus_read_word_data(client, PMBUS_MFR_REVISION);
+	if (rv < 0)
+		return rv;
+
+	if (rv >= MAX34451ETNA6_MFR_REV) {
+		max34451_na6 = true;
+		data->info.format[PSC_VOLTAGE_IN] = direct;
+		data->info.format[PSC_CURRENT_IN] = direct;
+		data->info.m[PSC_VOLTAGE_IN] = 1;
+		data->info.b[PSC_VOLTAGE_IN] = 0;
+		data->info.R[PSC_VOLTAGE_IN] = 3;
+		data->info.m[PSC_CURRENT_IN] = 1;
+		data->info.b[PSC_CURRENT_IN] = 0;
+		data->info.R[PSC_CURRENT_IN] = 2;
+		data->iout_oc_fault_limit = PMBUS_IOUT_OC_FAULT_LIMIT;
+		data->iout_oc_warn_limit = PMBUS_IOUT_OC_WARN_LIMIT;
+	}
 
 	for (page = 0; page < 16; page++) {
 		rv = i2c_smbus_write_byte_data(client, PMBUS_PAGE, page);
@@ -251,16 +275,30 @@ static int max34451_set_supported_funcs(struct i2c_client *client,
 		case 0x20:
 			data->info.func[page] = PMBUS_HAVE_VOUT |
 				PMBUS_HAVE_STATUS_VOUT;
+
+			if (max34451_na6)
+				data->info.func[page] |= PMBUS_HAVE_VIN |
+					PMBUS_HAVE_STATUS_INPUT;
 			break;
 		case 0x21:
 			data->info.func[page] = PMBUS_HAVE_VOUT;
+
+			if (max34451_na6)
+				data->info.func[page] |= PMBUS_HAVE_VIN;
 			break;
 		case 0x22:
 			data->info.func[page] = PMBUS_HAVE_IOUT |
 				PMBUS_HAVE_STATUS_IOUT;
+
+			if (max34451_na6)
+				data->info.func[page] |= PMBUS_HAVE_IIN |
+					PMBUS_HAVE_STATUS_INPUT;
 			break;
 		case 0x23:
 			data->info.func[page] = PMBUS_HAVE_IOUT;
+
+			if (max34451_na6)
+				data->info.func[page] |= PMBUS_HAVE_IIN;
 			break;
 		default:
 			break;
@@ -494,6 +532,8 @@ static int max34440_probe(struct i2c_client *client)
 		return -ENOMEM;
 	data->id = i2c_match_id(max34440_id, client)->driver_data;
 	data->info = max34440_info[data->id];
+	data->iout_oc_fault_limit = MAX34440_IOUT_OC_FAULT_LIMIT;
+	data->iout_oc_warn_limit = MAX34440_IOUT_OC_WARN_LIMIT;
 
 	if (data->id == max34451) {
 		rv = max34451_set_supported_funcs(client, data);
diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c
index 3ea690054222..f6989a74fec9 100644
--- a/drivers/hwtracing/coresight/coresight-core.c
+++ b/drivers/hwtracing/coresight/coresight-core.c
@@ -161,7 +161,8 @@ static int coresight_find_link_outport(struct coresight_device *csdev,
 
 static inline u32 coresight_read_claim_tags(struct coresight_device *csdev)
 {
-	return csdev_access_relaxed_read32(&csdev->access, CORESIGHT_CLAIMCLR);
+	return FIELD_GET(CORESIGHT_CLAIM_MASK,
+			 csdev_access_relaxed_read32(&csdev->access, CORESIGHT_CLAIMCLR));
 }
 
 static inline bool coresight_is_claimed_self_hosted(struct coresight_device *csdev)
diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h
index ff1dd2092ac5..b416edcdf797 100644
--- a/drivers/hwtracing/coresight/coresight-priv.h
+++ b/drivers/hwtracing/coresight/coresight-priv.h
@@ -32,6 +32,7 @@
  * Coresight device CLAIM protocol.
  * See PSCI - ARM DEN 0022D, Section: 6.8.1 Debug and Trace save and restore.
  */
+#define CORESIGHT_CLAIM_MASK		GENMASK(1, 0)
 #define CORESIGHT_CLAIM_SELF_HOSTED	BIT(1)
 
 #define TIMEOUT_US		100
diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c
index 5ceb81319634..ff715c0acdb2 100644
--- a/drivers/i2c/busses/i2c-designware-master.c
+++ b/drivers/i2c/busses/i2c-designware-master.c
@@ -298,6 +298,7 @@ static int amd_i2c_dw_xfer_quirk(struct i2c_adapter *adap, struct i2c_msg *msgs,
 
 	dev->msgs = msgs;
 	dev->msgs_num = num_msgs;
+	dev->msg_write_idx = 0;
 	i2c_dw_xfer_init(dev);
 	i2c_dw_disable_int(dev);
 
diff --git a/drivers/i2c/busses/i2c-robotfuzz-osif.c b/drivers/i2c/busses/i2c-robotfuzz-osif.c
index 66dfa211e736..8e4cf9028b23 100644
--- a/drivers/i2c/busses/i2c-robotfuzz-osif.c
+++ b/drivers/i2c/busses/i2c-robotfuzz-osif.c
@@ -111,6 +111,11 @@ static u32 osif_func(struct i2c_adapter *adapter)
 	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
+/* prevent invalid 0-length usb_control_msg */
+static const struct i2c_adapter_quirks osif_quirks = {
+	.flags = I2C_AQ_NO_ZERO_LEN_READ,
+};
+
 static const struct i2c_algorithm osif_algorithm = {
 	.master_xfer	= osif_xfer,
 	.functionality	= osif_func,
@@ -143,6 +148,7 @@ static int osif_probe(struct usb_interface *interface,
 
 	priv->adapter.owner = THIS_MODULE;
 	priv->adapter.class = I2C_CLASS_HWMON;
+	priv->adapter.quirks = &osif_quirks;
 	priv->adapter.algo = &osif_algorithm;
 	priv->adapter.algo_data = priv;
 	snprintf(priv->adapter.name, sizeof(priv->adapter.name),
diff --git a/drivers/i2c/busses/i2c-tiny-usb.c b/drivers/i2c/busses/i2c-tiny-usb.c
index d1fa9ff5aeab..204cc0883da6 100644
--- a/drivers/i2c/busses/i2c-tiny-usb.c
+++ b/drivers/i2c/busses/i2c-tiny-usb.c
@@ -140,6 +140,11 @@ static u32 usb_func(struct i2c_adapter *adapter)
 	return ret;
 }
 
+/* prevent invalid 0-length usb_control_msg */
+static const struct i2c_adapter_quirks usb_quirks = {
+	.flags = I2C_AQ_NO_ZERO_LEN_READ,
+};
+
 /* This is the actual algorithm we define */
 static const struct i2c_algorithm usb_algorithm = {
 	.master_xfer	= usb_xfer,
@@ -244,6 +249,7 @@ static int i2c_tiny_usb_probe(struct usb_interface *interface,
 	/* setup i2c adapter description */
 	dev->adapter.owner = THIS_MODULE;
 	dev->adapter.class = I2C_CLASS_HWMON;
+	dev->adapter.quirks = &usb_quirks;
 	dev->adapter.algo = &usb_algorithm;
 	dev->adapter.algo_data = dev;
 	snprintf(dev->adapter.name, sizeof(dev->adapter.name),
diff --git a/drivers/iio/pressure/zpa2326.c b/drivers/iio/pressure/zpa2326.c
index 50f3338778da..741c95899e4e 100644
--- a/drivers/iio/pressure/zpa2326.c
+++ b/drivers/iio/pressure/zpa2326.c
@@ -582,7 +582,7 @@ static int zpa2326_fill_sample_buffer(struct iio_dev               *indio_dev,
 	struct {
 		u32 pressure;
 		u16 temperature;
-		u64 timestamp;
+		aligned_s64 timestamp;
 	}   sample;
 	int err;
 
diff --git a/drivers/infiniband/hw/mlx5/counters.c b/drivers/infiniband/hw/mlx5/counters.c
index 870a08919811..79225f21a283 100644
--- a/drivers/infiniband/hw/mlx5/counters.c
+++ b/drivers/infiniband/hw/mlx5/counters.c
@@ -279,7 +279,7 @@ static int mlx5_ib_get_hw_stats(struct ib_device *ibdev,
 			 */
 			goto done;
 		}
-		ret = mlx5_lag_query_cong_counters(dev->mdev,
+		ret = mlx5_lag_query_cong_counters(mdev,
 						   stats->value +
 						   cnts->num_q_counters,
 						   cnts->num_cong_counters,
diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c
index 55e287335124..cc351390b568 100644
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -1907,6 +1907,7 @@ subscribe_event_xa_alloc(struct mlx5_devx_event_table *devx_event_table,
 			/* Level1 is valid for future use, no need to free */
 			return -ENOMEM;
 
+		INIT_LIST_HEAD(&obj_event->obj_sub_list);
 		err = xa_insert(&event->object_ids,
 				key_level2,
 				obj_event,
@@ -1915,7 +1916,6 @@ subscribe_event_xa_alloc(struct mlx5_devx_event_table *devx_event_table,
 			kfree(obj_event);
 			return err;
 		}
-		INIT_LIST_HEAD(&obj_event->obj_sub_list);
 	}
 
 	return 0;
diff --git a/drivers/leds/led-class-multicolor.c b/drivers/leds/led-class-multicolor.c
index ec62a4811613..e0785935f4ba 100644
--- a/drivers/leds/led-class-multicolor.c
+++ b/drivers/leds/led-class-multicolor.c
@@ -61,7 +61,8 @@ static ssize_t multi_intensity_store(struct device *dev,
 	for (i = 0; i < mcled_cdev->num_colors; i++)
 		mcled_cdev->subled_info[i].intensity = intensity_value[i];
 
-	led_set_brightness(led_cdev, led_cdev->brightness);
+	if (!test_bit(LED_BLINK_SW, &led_cdev->work_flags))
+		led_set_brightness(led_cdev, led_cdev->brightness);
 	ret = size;
 err_out:
 	mutex_unlock(&led_cdev->led_access);
diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c
index 6f54501dc776..cb31ad917b35 100644
--- a/drivers/mailbox/mailbox.c
+++ b/drivers/mailbox/mailbox.c
@@ -459,8 +459,8 @@ void mbox_free_channel(struct mbox_chan *chan)
 	if (chan->txdone_method == TXDONE_BY_ACK)
 		chan->txdone_method = TXDONE_BY_POLL;
 
-	module_put(chan->mbox->dev->driver->owner);
 	spin_unlock_irqrestore(&chan->lock, flags);
+	module_put(chan->mbox->dev->driver->owner);
 }
 EXPORT_SYMBOL_GPL(mbox_free_channel);
 
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 4b79b793cb80..7e0176e43ace 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1746,7 +1746,12 @@ static void cache_set_flush(struct closure *cl)
 			mutex_unlock(&b->write_lock);
 		}
 
-	if (ca->alloc_thread)
+	/*
+	 * If the register_cache_set() call to bch_cache_set_alloc() failed,
+	 * ca has not been assigned a value and return error.
+	 * So we need check ca is not NULL during bch_cache_set_unregister().
+	 */
+	if (ca && ca->alloc_thread)
 		kthread_stop(ca->alloc_thread);
 
 	if (c->journal.cur) {
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 5d1006142aae..8f02fa6d3301 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -2381,7 +2381,7 @@ static int super_init_validation(struct raid_set *rs, struct md_rdev *rdev)
 	 */
 	sb_retrieve_failed_devices(sb, failed_devices);
 	rdev_for_each(r, mddev) {
-		if (test_bit(Journal, &rdev->flags) ||
+		if (test_bit(Journal, &r->flags) ||
 		    !r->sb_page)
 			continue;
 		sb2 = page_address(r->sb_page);
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index b26e22dd9ba2..cb84a4ab8d70 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -546,7 +546,7 @@ static int md_bitmap_new_disk_sb(struct bitmap *bitmap)
 	 * is a good choice?  We choose COUNTER_MAX / 2 arbitrarily.
 	 */
 	write_behind = bitmap->mddev->bitmap_info.max_write_behind;
-	if (write_behind > COUNTER_MAX)
+	if (write_behind > COUNTER_MAX / 2)
 		write_behind = COUNTER_MAX / 2;
 	sb->write_behind = cpu_to_le32(write_behind);
 	bitmap->mddev->bitmap_info.max_write_behind = write_behind;
diff --git a/drivers/media/platform/davinci/vpif.c b/drivers/media/platform/davinci/vpif.c
index 8ffc01c606d0..a59a059008cf 100644
--- a/drivers/media/platform/davinci/vpif.c
+++ b/drivers/media/platform/davinci/vpif.c
@@ -503,7 +503,7 @@ static int vpif_probe(struct platform_device *pdev)
 	pdev_display = kzalloc(sizeof(*pdev_display), GFP_KERNEL);
 	if (!pdev_display) {
 		ret = -ENOMEM;
-		goto err_put_pdev_capture;
+		goto err_del_pdev_capture;
 	}
 
 	pdev_display->name = "vpif_display";
@@ -526,6 +526,8 @@ static int vpif_probe(struct platform_device *pdev)
 
 err_put_pdev_display:
 	platform_device_put(pdev_display);
+err_del_pdev_capture:
+	platform_device_del(pdev_capture);
 err_put_pdev_capture:
 	platform_device_put(pdev_capture);
 err_put_rpm:
diff --git a/drivers/media/platform/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/imx-jpeg/mxc-jpeg.c
index 059e45aa03b7..2ab03444f742 100644
--- a/drivers/media/platform/imx-jpeg/mxc-jpeg.c
+++ b/drivers/media/platform/imx-jpeg/mxc-jpeg.c
@@ -1450,9 +1450,19 @@ static void mxc_jpeg_buf_queue(struct vb2_buffer *vb)
 	jpeg_src_buf = vb2_to_mxc_buf(vb);
 	jpeg_src_buf->jpeg_parse_error = false;
 	ret = mxc_jpeg_parse(ctx, vb);
-	if (ret)
+	if (ret) {
 		jpeg_src_buf->jpeg_parse_error = true;
 
+		/*
+		 * if the capture queue is not setup, the device_run() won't be scheduled,
+		 * need to drop the error buffer, so that the decoding can continue
+		 */
+		if (!vb2_is_streaming(v4l2_m2m_get_dst_vq(ctx->fh.m2m_ctx))) {
+			v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
+			return;
+		}
+	}
+
 end:
 	v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
 }
diff --git a/drivers/media/platform/omap3isp/ispccdc.c b/drivers/media/platform/omap3isp/ispccdc.c
index 108b5e9f82cb..ee966f8ee010 100644
--- a/drivers/media/platform/omap3isp/ispccdc.c
+++ b/drivers/media/platform/omap3isp/ispccdc.c
@@ -446,8 +446,8 @@ static int ccdc_lsc_config(struct isp_ccdc_device *ccdc,
 		if (ret < 0)
 			goto done;
 
-		dma_sync_sg_for_cpu(isp->dev, req->table.sgt.sgl,
-				    req->table.sgt.nents, DMA_TO_DEVICE);
+		dma_sync_sgtable_for_cpu(isp->dev, &req->table.sgt,
+					 DMA_TO_DEVICE);
 
 		if (copy_from_user(req->table.addr, config->lsc,
 				   req->config.size)) {
@@ -455,8 +455,8 @@ static int ccdc_lsc_config(struct isp_ccdc_device *ccdc,
 			goto done;
 		}
 
-		dma_sync_sg_for_device(isp->dev, req->table.sgt.sgl,
-				       req->table.sgt.nents, DMA_TO_DEVICE);
+		dma_sync_sgtable_for_device(isp->dev, &req->table.sgt,
+					    DMA_TO_DEVICE);
 	}
 
 	spin_lock_irqsave(&ccdc->lsc.req_lock, flags);
diff --git a/drivers/media/platform/omap3isp/ispstat.c b/drivers/media/platform/omap3isp/ispstat.c
index 68cf68dbcace..dc496ca9748a 100644
--- a/drivers/media/platform/omap3isp/ispstat.c
+++ b/drivers/media/platform/omap3isp/ispstat.c
@@ -161,8 +161,7 @@ static void isp_stat_buf_sync_for_device(struct ispstat *stat,
 	if (ISP_STAT_USES_DMAENGINE(stat))
 		return;
 
-	dma_sync_sg_for_device(stat->isp->dev, buf->sgt.sgl,
-			       buf->sgt.nents, DMA_FROM_DEVICE);
+	dma_sync_sgtable_for_device(stat->isp->dev, &buf->sgt, DMA_FROM_DEVICE);
 }
 
 static void isp_stat_buf_sync_for_cpu(struct ispstat *stat,
@@ -171,8 +170,7 @@ static void isp_stat_buf_sync_for_cpu(struct ispstat *stat,
 	if (ISP_STAT_USES_DMAENGINE(stat))
 		return;
 
-	dma_sync_sg_for_cpu(stat->isp->dev, buf->sgt.sgl,
-			    buf->sgt.nents, DMA_FROM_DEVICE);
+	dma_sync_sgtable_for_cpu(stat->isp->dev, &buf->sgt, DMA_FROM_DEVICE);
 }
 
 static void isp_stat_buf_clear(struct ispstat *stat)
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index afd9c2d9596c..f37198839a8a 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -1697,7 +1697,7 @@ static int uvc_ctrl_commit_entity(struct uvc_device *dev,
 	unsigned int processed_ctrls = 0;
 	struct uvc_control *ctrl;
 	unsigned int i;
-	int ret;
+	int ret = 0;
 
 	if (entity == NULL)
 		return 0;
@@ -1725,8 +1725,6 @@ static int uvc_ctrl_commit_entity(struct uvc_device *dev,
 				dev->intfnum, ctrl->info.selector,
 				uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT),
 				ctrl->info.size);
-		else
-			ret = 0;
 
 		if (!ret)
 			processed_ctrls++;
@@ -1738,17 +1736,24 @@ static int uvc_ctrl_commit_entity(struct uvc_device *dev,
 
 		ctrl->dirty = 0;
 
-		if (ret < 0) {
-			if (err_ctrl)
-				*err_ctrl = ctrl;
-			return ret;
-		}
-
-		if (!rollback && handle &&
+		if (!rollback && handle && !ret &&
 		    ctrl->info.flags & UVC_CTRL_FLAG_ASYNCHRONOUS)
 			uvc_ctrl_set_handle(handle, ctrl, handle);
+
+		if (ret < 0 && !rollback) {
+			if (err_ctrl)
+				*err_ctrl = ctrl;
+			/*
+			 * If we fail to set a control, we need to rollback
+			 * the next ones.
+			 */
+			rollback = 1;
+		}
 	}
 
+	if (ret)
+		return ret;
+
 	return processed_ctrls;
 }
 
@@ -1779,7 +1784,8 @@ int __uvc_ctrl_commit(struct uvc_fh *handle, int rollback,
 	struct uvc_video_chain *chain = handle->chain;
 	struct uvc_control *err_ctrl;
 	struct uvc_entity *entity;
-	int ret = 0;
+	int ret_out = 0;
+	int ret;
 
 	/* Find the control. */
 	list_for_each_entry(entity, &chain->entities, chain) {
@@ -1790,17 +1796,23 @@ int __uvc_ctrl_commit(struct uvc_fh *handle, int rollback,
 				ctrls->error_idx =
 					uvc_ctrl_find_ctrl_idx(entity, ctrls,
 							       err_ctrl);
-			goto done;
+			/*
+			 * When we fail to commit an entity, we need to
+			 * restore the UVC_CTRL_DATA_BACKUP for all the
+			 * controls in the other entities, otherwise our cache
+			 * and the hardware will be out of sync.
+			 */
+			rollback = 1;
+
+			ret_out = ret;
 		} else if (ret > 0 && !rollback) {
 			uvc_ctrl_send_events(handle, entity,
 					     ctrls->controls, ctrls->count);
 		}
 	}
 
-	ret = 0;
-done:
 	mutex_unlock(&chain->ctrl_mutex);
-	return ret;
+	return ret_out;
 }
 
 int uvc_ctrl_get(struct uvc_video_chain *chain,
diff --git a/drivers/mfd/max14577.c b/drivers/mfd/max14577.c
index be185e9d5f16..c9e56145b08b 100644
--- a/drivers/mfd/max14577.c
+++ b/drivers/mfd/max14577.c
@@ -467,6 +467,7 @@ static int max14577_i2c_remove(struct i2c_client *i2c)
 {
 	struct max14577 *max14577 = i2c_get_clientdata(i2c);
 
+	device_init_wakeup(max14577->dev, false);
 	mfd_remove_devices(max14577->dev);
 	regmap_del_irq_chip(max14577->irq, max14577->irq_data);
 	if (max14577->dev_type == MAXIM_DEVICE_TYPE_MAX77836)
diff --git a/drivers/mmc/core/quirks.h b/drivers/mmc/core/quirks.h
index afe8d8c5fa8a..2920633e2ae1 100644
--- a/drivers/mmc/core/quirks.h
+++ b/drivers/mmc/core/quirks.h
@@ -14,6 +14,15 @@
 
 #include "card.h"
 
+static const struct mmc_fixup __maybe_unused mmc_sd_fixups[] = {
+	/*
+	 * Some SD cards reports discard support while they don't
+	 */
+	MMC_FIXUP(CID_NAME_ANY, CID_MANFID_SANDISK_SD, 0x5344, add_quirk_sd,
+		  MMC_QUIRK_BROKEN_SD_DISCARD),
+
+	END_FIXUP
+};
 static const struct mmc_fixup __maybe_unused mmc_blk_fixups[] = {
 #define INAND_CMD38_ARG_EXT_CSD  113
 #define INAND_CMD38_ARG_ERASE    0x00
@@ -112,13 +121,6 @@ static const struct mmc_fixup __maybe_unused mmc_blk_fixups[] = {
 	 */
 	MMC_FIXUP("Q2J54A", CID_MANFID_MICRON, 0x014e, add_quirk_mmc,
 		  MMC_QUIRK_TRIM_BROKEN),
-
-	/*
-	 * Some SD cards reports discard support while they don't
-	 */
-	MMC_FIXUP(CID_NAME_ANY, CID_MANFID_SANDISK_SD, 0x5344, add_quirk_sd,
-		  MMC_QUIRK_BROKEN_SD_DISCARD),
-
 	END_FIXUP
 };
 
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 09788cf72086..627159482d12 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -727,12 +727,18 @@ static inline void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma,
 static void msdc_prepare_data(struct msdc_host *host, struct mmc_data *data)
 {
 	if (!(data->host_cookie & MSDC_PREPARE_FLAG)) {
-		data->host_cookie |= MSDC_PREPARE_FLAG;
 		data->sg_count = dma_map_sg(host->dev, data->sg, data->sg_len,
 					    mmc_get_dma_dir(data));
+		if (data->sg_count)
+			data->host_cookie |= MSDC_PREPARE_FLAG;
 	}
 }
 
+static bool msdc_data_prepared(struct mmc_data *data)
+{
+	return data->host_cookie & MSDC_PREPARE_FLAG;
+}
+
 static void msdc_unprepare_data(struct msdc_host *host, struct mmc_data *data)
 {
 	if (data->host_cookie & MSDC_ASYNC_FLAG)
@@ -1305,8 +1311,19 @@ static void msdc_ops_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	WARN_ON(host->mrq);
 	host->mrq = mrq;
 
-	if (mrq->data)
+	if (mrq->data) {
 		msdc_prepare_data(host, mrq->data);
+		if (!msdc_data_prepared(mrq->data)) {
+			host->mrq = NULL;
+			/*
+			 * Failed to prepare DMA area, fail fast before
+			 * starting any commands.
+			 */
+			mrq->cmd->error = -ENOSPC;
+			mmc_request_done(mmc_from_priv(host), mrq);
+			return;
+		}
+	}
 
 	/* if SBC is required, we have HW option and SW option.
 	 * if HW option is enabled, and SBC does not have "special" flags,
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 97eeb0c61bae..c0900b2f7b5c 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2009,15 +2009,10 @@ void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
 
 	host->mmc->actual_clock = 0;
 
-	clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
-	if (clk & SDHCI_CLOCK_CARD_EN)
-		sdhci_writew(host, clk & ~SDHCI_CLOCK_CARD_EN,
-			SDHCI_CLOCK_CONTROL);
+	sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
 
-	if (clock == 0) {
-		sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
+	if (clock == 0)
 		return;
-	}
 
 	clk = sdhci_calc_clk(host, clock, &host->mmc->actual_clock);
 	sdhci_enable_clk(host, clk);
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 6a5cc05576cd..76b0bd886b11 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -816,4 +816,20 @@ void sdhci_switch_external_dma(struct sdhci_host *host, bool en);
 void sdhci_set_data_timeout_irq(struct sdhci_host *host, bool enable);
 void __sdhci_set_timeout(struct sdhci_host *host, struct mmc_command *cmd);
 
+#if defined(CONFIG_DYNAMIC_DEBUG) || \
+	(defined(CONFIG_DYNAMIC_DEBUG_CORE) && defined(DYNAMIC_DEBUG_MODULE))
+#define SDHCI_DBG_ANYWAY 0
+#elif defined(DEBUG)
+#define SDHCI_DBG_ANYWAY 1
+#else
+#define SDHCI_DBG_ANYWAY 0
+#endif
+
+#define sdhci_dbg_dumpregs(host, fmt)					\
+do {									\
+	DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);			\
+	if (DYNAMIC_DEBUG_BRANCH(descriptor) ||	SDHCI_DBG_ANYWAY)	\
+		sdhci_dumpregs(host);					\
+} while (0)
+
 #endif /* __SDHCI_HW_H */
diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
index 2c8685f1f2fa..80d0112d18fa 100644
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -1271,6 +1271,7 @@ static void spinand_cleanup(struct spinand_device *spinand)
 {
 	struct nand_device *nand = spinand_to_nand(spinand);
 
+	nanddev_ecc_engine_cleanup(nand);
 	nanddev_cleanup(nand);
 	spinand_manufacturer_cleanup(spinand);
 	kfree(spinand->databuf);
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-common.h b/drivers/net/ethernet/amd/xgbe/xgbe-common.h
index 533b8519ec35..c5dc23906a78 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-common.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-common.h
@@ -1355,6 +1355,8 @@
 #define MDIO_VEND2_CTRL1_SS13		BIT(13)
 #endif
 
+#define XGBE_VEND2_MAC_AUTO_SW		BIT(9)
+
 /* MDIO mask values */
 #define XGBE_AN_CL73_INT_CMPLT		BIT(0)
 #define XGBE_AN_CL73_INC_LINK		BIT(1)
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
index 60be836b294b..19fed56b6ee3 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
@@ -363,6 +363,10 @@ static void xgbe_an37_set(struct xgbe_prv_data *pdata, bool enable,
 		reg |= MDIO_VEND2_CTRL1_AN_RESTART;
 
 	XMDIO_WRITE(pdata, MDIO_MMD_VEND2, MDIO_CTRL1, reg);
+
+	reg = XMDIO_READ(pdata, MDIO_MMD_VEND2, MDIO_PCS_DIG_CTRL);
+	reg |= XGBE_VEND2_MAC_AUTO_SW;
+	XMDIO_WRITE(pdata, MDIO_MMD_VEND2, MDIO_PCS_DIG_CTRL, reg);
 }
 
 static void xgbe_an37_restart(struct xgbe_prv_data *pdata)
@@ -991,6 +995,11 @@ static void xgbe_an37_init(struct xgbe_prv_data *pdata)
 
 	netif_dbg(pdata, link, pdata->netdev, "CL37 AN (%s) initialized\n",
 		  (pdata->an_mode == XGBE_AN_MODE_CL37) ? "BaseX" : "SGMII");
+
+	reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_CTRL1);
+	reg &= ~MDIO_AN_CTRL1_ENABLE;
+	XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_CTRL1, reg);
+
 }
 
 static void xgbe_an73_init(struct xgbe_prv_data *pdata)
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h
index bb1254bdd874..27fc9fb00cd7 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe.h
@@ -291,11 +291,11 @@
 #define XGBE_LINK_TIMEOUT		5
 #define XGBE_KR_TRAINING_WAIT_ITER	50
 
-#define XGBE_SGMII_AN_LINK_STATUS	BIT(1)
+#define XGBE_SGMII_AN_LINK_DUPLEX	BIT(1)
 #define XGBE_SGMII_AN_LINK_SPEED	(BIT(2) | BIT(3))
 #define XGBE_SGMII_AN_LINK_SPEED_100	0x04
 #define XGBE_SGMII_AN_LINK_SPEED_1000	0x08
-#define XGBE_SGMII_AN_LINK_DUPLEX	BIT(4)
+#define XGBE_SGMII_AN_LINK_STATUS	BIT(4)
 
 /* ECC correctable error notification window (seconds) */
 #define XGBE_ECC_LIMIT			60
diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c
index 68f6c0bbd945..ca8d7a82407b 100644
--- a/drivers/net/ethernet/atheros/atlx/atl1.c
+++ b/drivers/net/ethernet/atheros/atlx/atl1.c
@@ -1861,14 +1861,21 @@ static u16 atl1_alloc_rx_buffers(struct atl1_adapter *adapter)
 			break;
 		}
 
-		buffer_info->alloced = 1;
-		buffer_info->skb = skb;
-		buffer_info->length = (u16) adapter->rx_buffer_len;
 		page = virt_to_page(skb->data);
 		offset = offset_in_page(skb->data);
 		buffer_info->dma = dma_map_page(&pdev->dev, page, offset,
 						adapter->rx_buffer_len,
 						DMA_FROM_DEVICE);
+		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
+			kfree_skb(skb);
+			adapter->soft_stats.rx_dropped++;
+			break;
+		}
+
+		buffer_info->alloced = 1;
+		buffer_info->skb = skb;
+		buffer_info->length = (u16)adapter->rx_buffer_len;
+
 		rfd_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
 		rfd_desc->buf_len = cpu_to_le16(adapter->rx_buffer_len);
 		rfd_desc->coalese = 0;
@@ -2180,8 +2187,8 @@ static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb,
 	return 0;
 }
 
-static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
-	struct tx_packet_desc *ptpd)
+static bool atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
+			struct tx_packet_desc *ptpd)
 {
 	struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring;
 	struct atl1_buffer *buffer_info;
@@ -2191,6 +2198,7 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
 	unsigned int nr_frags;
 	unsigned int f;
 	int retval;
+	u16 first_mapped;
 	u16 next_to_use;
 	u16 data_len;
 	u8 hdr_len;
@@ -2198,6 +2206,7 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
 	buf_len -= skb->data_len;
 	nr_frags = skb_shinfo(skb)->nr_frags;
 	next_to_use = atomic_read(&tpd_ring->next_to_use);
+	first_mapped = next_to_use;
 	buffer_info = &tpd_ring->buffer_info[next_to_use];
 	BUG_ON(buffer_info->skb);
 	/* put skb in last TPD */
@@ -2213,6 +2222,8 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
 		buffer_info->dma = dma_map_page(&adapter->pdev->dev, page,
 						offset, hdr_len,
 						DMA_TO_DEVICE);
+		if (dma_mapping_error(&adapter->pdev->dev, buffer_info->dma))
+			goto dma_err;
 
 		if (++next_to_use == tpd_ring->count)
 			next_to_use = 0;
@@ -2239,6 +2250,9 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
 								page, offset,
 								buffer_info->length,
 								DMA_TO_DEVICE);
+				if (dma_mapping_error(&adapter->pdev->dev,
+						      buffer_info->dma))
+					goto dma_err;
 				if (++next_to_use == tpd_ring->count)
 					next_to_use = 0;
 			}
@@ -2251,6 +2265,8 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
 		buffer_info->dma = dma_map_page(&adapter->pdev->dev, page,
 						offset, buf_len,
 						DMA_TO_DEVICE);
+		if (dma_mapping_error(&adapter->pdev->dev, buffer_info->dma))
+			goto dma_err;
 		if (++next_to_use == tpd_ring->count)
 			next_to_use = 0;
 	}
@@ -2274,6 +2290,9 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
 			buffer_info->dma = skb_frag_dma_map(&adapter->pdev->dev,
 				frag, i * ATL1_MAX_TX_BUF_LEN,
 				buffer_info->length, DMA_TO_DEVICE);
+			if (dma_mapping_error(&adapter->pdev->dev,
+					      buffer_info->dma))
+				goto dma_err;
 
 			if (++next_to_use == tpd_ring->count)
 				next_to_use = 0;
@@ -2282,6 +2301,22 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
 
 	/* last tpd's buffer-info */
 	buffer_info->skb = skb;
+
+	return true;
+
+ dma_err:
+	while (first_mapped != next_to_use) {
+		buffer_info = &tpd_ring->buffer_info[first_mapped];
+		dma_unmap_page(&adapter->pdev->dev,
+			       buffer_info->dma,
+			       buffer_info->length,
+			       DMA_TO_DEVICE);
+		buffer_info->dma = 0;
+
+		if (++first_mapped == tpd_ring->count)
+			first_mapped = 0;
+	}
+	return false;
 }
 
 static void atl1_tx_queue(struct atl1_adapter *adapter, u16 count,
@@ -2352,10 +2387,8 @@ static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb,
 
 	len = skb_headlen(skb);
 
-	if (unlikely(skb->len <= 0)) {
-		dev_kfree_skb_any(skb);
-		return NETDEV_TX_OK;
-	}
+	if (unlikely(skb->len <= 0))
+		goto drop_packet;
 
 	nr_frags = skb_shinfo(skb)->nr_frags;
 	for (f = 0; f < nr_frags; f++) {
@@ -2369,10 +2402,8 @@ static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb,
 		if (skb->protocol == htons(ETH_P_IP)) {
 			proto_hdr_len = (skb_transport_offset(skb) +
 					 tcp_hdrlen(skb));
-			if (unlikely(proto_hdr_len > len)) {
-				dev_kfree_skb_any(skb);
-				return NETDEV_TX_OK;
-			}
+			if (unlikely(proto_hdr_len > len))
+				goto drop_packet;
 			/* need additional TPD ? */
 			if (proto_hdr_len != len)
 				count += (len - proto_hdr_len +
@@ -2404,23 +2435,26 @@ static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb,
 	}
 
 	tso = atl1_tso(adapter, skb, ptpd);
-	if (tso < 0) {
-		dev_kfree_skb_any(skb);
-		return NETDEV_TX_OK;
-	}
+	if (tso < 0)
+		goto drop_packet;
 
 	if (!tso) {
 		ret_val = atl1_tx_csum(adapter, skb, ptpd);
-		if (ret_val < 0) {
-			dev_kfree_skb_any(skb);
-			return NETDEV_TX_OK;
-		}
+		if (ret_val < 0)
+			goto drop_packet;
 	}
 
-	atl1_tx_map(adapter, skb, ptpd);
+	if (!atl1_tx_map(adapter, skb, ptpd))
+		goto drop_packet;
+
 	atl1_tx_queue(adapter, count, ptpd);
 	atl1_update_mailbox(adapter);
 	return NETDEV_TX_OK;
+
+drop_packet:
+	adapter->soft_stats.tx_errors++;
+	dev_kfree_skb_any(skb);
+	return NETDEV_TX_OK;
 }
 
 static int atl1_rings_clean(struct napi_struct *napi, int budget)
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index 52bc164a1cfb..a3f57069e972 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -2058,10 +2058,10 @@ static int enic_change_mtu(struct net_device *netdev, int new_mtu)
 	if (enic_is_dynamic(enic) || enic_is_sriov_vf(enic))
 		return -EOPNOTSUPP;
 
-	if (netdev->mtu > enic->port_mtu)
+	if (new_mtu > enic->port_mtu)
 		netdev_warn(netdev,
 			    "interface MTU (%d) set higher than port MTU (%d)\n",
-			    netdev->mtu, enic->port_mtu);
+			    new_mtu, enic->port_mtu);
 
 	return _enic_change_mtu(netdev, new_mtu);
 }
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index fa1b1b7dd8a0..07d8c9e41328 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -34,6 +34,75 @@ MODULE_DESCRIPTION("Freescale DPAA2 Ethernet Driver");
 struct ptp_qoriq *dpaa2_ptp;
 EXPORT_SYMBOL(dpaa2_ptp);
 
+static void dpaa2_eth_detect_features(struct dpaa2_eth_priv *priv)
+{
+	priv->features = 0;
+
+	if (dpaa2_eth_cmp_dpni_ver(priv, DPNI_PTP_ONESTEP_VER_MAJOR,
+				   DPNI_PTP_ONESTEP_VER_MINOR) >= 0)
+		priv->features |= DPAA2_ETH_FEATURE_ONESTEP_CFG_DIRECT;
+}
+
+static void dpaa2_update_ptp_onestep_indirect(struct dpaa2_eth_priv *priv,
+					      u32 offset, u8 udp)
+{
+	struct dpni_single_step_cfg cfg;
+
+	cfg.en = 1;
+	cfg.ch_update = udp;
+	cfg.offset = offset;
+	cfg.peer_delay = 0;
+
+	if (dpni_set_single_step_cfg(priv->mc_io, 0, priv->mc_token, &cfg))
+		WARN_ONCE(1, "Failed to set single step register");
+}
+
+static void dpaa2_update_ptp_onestep_direct(struct dpaa2_eth_priv *priv,
+					    u32 offset, u8 udp)
+{
+	u32 val = 0;
+
+	val = DPAA2_PTP_SINGLE_STEP_ENABLE |
+	       DPAA2_PTP_SINGLE_CORRECTION_OFF(offset);
+
+	if (udp)
+		val |= DPAA2_PTP_SINGLE_STEP_CH;
+
+	if (priv->onestep_reg_base)
+		writel(val, priv->onestep_reg_base);
+}
+
+static void dpaa2_ptp_onestep_reg_update_method(struct dpaa2_eth_priv *priv)
+{
+	struct device *dev = priv->net_dev->dev.parent;
+	struct dpni_single_step_cfg ptp_cfg;
+
+	priv->dpaa2_set_onestep_params_cb = dpaa2_update_ptp_onestep_indirect;
+
+	if (!(priv->features & DPAA2_ETH_FEATURE_ONESTEP_CFG_DIRECT))
+		return;
+
+	if (dpni_get_single_step_cfg(priv->mc_io, 0,
+				     priv->mc_token, &ptp_cfg)) {
+		dev_err(dev, "dpni_get_single_step_cfg cannot retrieve onestep reg, falling back to indirect update\n");
+		return;
+	}
+
+	if (!ptp_cfg.ptp_onestep_reg_base) {
+		dev_err(dev, "1588 onestep reg not available, falling back to indirect update\n");
+		return;
+	}
+
+	priv->onestep_reg_base = ioremap(ptp_cfg.ptp_onestep_reg_base,
+					 sizeof(u32));
+	if (!priv->onestep_reg_base) {
+		dev_err(dev, "1588 onestep reg cannot be mapped, falling back to indirect update\n");
+		return;
+	}
+
+	priv->dpaa2_set_onestep_params_cb = dpaa2_update_ptp_onestep_direct;
+}
+
 static void *dpaa2_iova_to_virt(struct iommu_domain *domain,
 				dma_addr_t iova_addr)
 {
@@ -693,7 +762,6 @@ static void dpaa2_eth_enable_tx_tstamp(struct dpaa2_eth_priv *priv,
 				       struct sk_buff *skb)
 {
 	struct ptp_tstamp origin_timestamp;
-	struct dpni_single_step_cfg cfg;
 	u8 msgtype, twostep, udp;
 	struct dpaa2_faead *faead;
 	struct dpaa2_fas *fas;
@@ -747,14 +815,12 @@ static void dpaa2_eth_enable_tx_tstamp(struct dpaa2_eth_priv *priv,
 			htonl(origin_timestamp.sec_lsb);
 		*(__be32 *)(data + offset2 + 6) = htonl(origin_timestamp.nsec);
 
-		cfg.en = 1;
-		cfg.ch_update = udp;
-		cfg.offset = offset1;
-		cfg.peer_delay = 0;
+		if (priv->ptp_correction_off == offset1)
+			return;
+
+		priv->dpaa2_set_onestep_params_cb(priv, offset1, udp);
+		priv->ptp_correction_off = offset1;
 
-		if (dpni_set_single_step_cfg(priv->mc_io, 0, priv->mc_token,
-					     &cfg))
-			WARN_ONCE(1, "Failed to set single step register");
 	}
 }
 
@@ -2199,6 +2265,9 @@ static int dpaa2_eth_ts_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 		config.rx_filter = HWTSTAMP_FILTER_ALL;
 	}
 
+	if (priv->tx_tstamp_type == HWTSTAMP_TX_ONESTEP_SYNC)
+		dpaa2_ptp_onestep_reg_update_method(priv);
+
 	return copy_to_user(rq->ifr_data, &config, sizeof(config)) ?
 			-EFAULT : 0;
 }
@@ -3443,6 +3512,7 @@ static int dpaa2_eth_setup_rx_flow(struct dpaa2_eth_priv *priv,
 					 MEM_TYPE_PAGE_ORDER0, NULL);
 	if (err) {
 		dev_err(dev, "xdp_rxq_info_reg_mem_model failed\n");
+		xdp_rxq_info_unreg(&fq->channel->xdp_rxq);
 		return err;
 	}
 
@@ -3935,17 +4005,25 @@ static int dpaa2_eth_bind_dpni(struct dpaa2_eth_priv *priv)
 			return -EINVAL;
 		}
 		if (err)
-			return err;
+			goto out;
 	}
 
 	err = dpni_get_qdid(priv->mc_io, 0, priv->mc_token,
 			    DPNI_QUEUE_TX, &priv->tx_qdid);
 	if (err) {
 		dev_err(dev, "dpni_get_qdid() failed\n");
-		return err;
+		goto out;
 	}
 
 	return 0;
+
+out:
+	while (i--) {
+		if (priv->fq[i].type == DPAA2_RX_FQ &&
+		    xdp_rxq_info_is_reg(&priv->fq[i].channel->xdp_rxq))
+			xdp_rxq_info_unreg(&priv->fq[i].channel->xdp_rxq);
+	}
+	return err;
 }
 
 /* Allocate rings for storing incoming frame descriptors */
@@ -4096,6 +4174,8 @@ static int dpaa2_eth_netdev_init(struct net_device *net_dev)
 		return err;
 	}
 
+	dpaa2_eth_detect_features(priv);
+
 	/* Capabilities listing */
 	supported |= IFF_LIVE_ADDR_CHANGE;
 
@@ -4300,6 +4380,17 @@ static void dpaa2_eth_del_ch_napi(struct dpaa2_eth_priv *priv)
 	}
 }
 
+static void dpaa2_eth_free_rx_xdp_rxq(struct dpaa2_eth_priv *priv)
+{
+	int i;
+
+	for (i = 0; i < priv->num_fqs; i++) {
+		if (priv->fq[i].type == DPAA2_RX_FQ &&
+		    xdp_rxq_info_is_reg(&priv->fq[i].channel->xdp_rxq))
+			xdp_rxq_info_unreg(&priv->fq[i].channel->xdp_rxq);
+	}
+}
+
 static int dpaa2_eth_probe(struct fsl_mc_device *dpni_dev)
 {
 	struct device *dev;
@@ -4488,6 +4579,7 @@ static int dpaa2_eth_probe(struct fsl_mc_device *dpni_dev)
 	free_percpu(priv->percpu_stats);
 err_alloc_percpu_stats:
 	dpaa2_eth_del_ch_napi(priv);
+	dpaa2_eth_free_rx_xdp_rxq(priv);
 err_bind:
 	dpaa2_eth_free_dpbp(priv);
 err_dpbp_setup:
@@ -4539,9 +4631,12 @@ static int dpaa2_eth_remove(struct fsl_mc_device *ls_dev)
 	free_percpu(priv->percpu_extras);
 
 	dpaa2_eth_del_ch_napi(priv);
+	dpaa2_eth_free_rx_xdp_rxq(priv);
 	dpaa2_eth_free_dpbp(priv);
 	dpaa2_eth_free_dpio(priv);
 	dpaa2_eth_free_dpni(priv);
+	if (priv->onestep_reg_base)
+		iounmap(priv->onestep_reg_base);
 
 	fsl_mc_portal_free(priv->mc_io);
 
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
index 67fd926331fe..805e5619e1e6 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
@@ -506,12 +506,15 @@ struct dpaa2_eth_priv {
 	u8 num_channels;
 	struct dpaa2_eth_channel *channel[DPAA2_ETH_MAX_DPCONS];
 	struct dpaa2_eth_sgt_cache __percpu *sgt_cache;
-
+	unsigned long features;
 	struct dpni_attr dpni_attrs;
 	u16 dpni_ver_major;
 	u16 dpni_ver_minor;
 	u16 tx_data_offset;
-
+	void __iomem *onestep_reg_base;
+	u8 ptp_correction_off;
+	void (*dpaa2_set_onestep_params_cb)(struct dpaa2_eth_priv *priv,
+					    u32 offset, u8 udp);
 	struct fsl_mc_device *dpbp_dev;
 	u16 rx_buf_size;
 	u16 bpid;
@@ -651,6 +654,13 @@ enum dpaa2_eth_rx_dist {
 #define DPAA2_ETH_DIST_L4DST		BIT(8)
 #define DPAA2_ETH_DIST_ALL		(~0ULL)
 
+#define DPNI_PTP_ONESTEP_VER_MAJOR 8
+#define DPNI_PTP_ONESTEP_VER_MINOR 2
+#define DPAA2_ETH_FEATURE_ONESTEP_CFG_DIRECT BIT(0)
+#define DPAA2_PTP_SINGLE_STEP_ENABLE	BIT(31)
+#define DPAA2_PTP_SINGLE_STEP_CH	BIT(7)
+#define DPAA2_PTP_SINGLE_CORRECTION_OFF(v) ((v) << 8)
+
 #define DPNI_PAUSE_VER_MAJOR		7
 #define DPNI_PAUSE_VER_MINOR		13
 #define dpaa2_eth_has_pause_support(priv)			\
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
index 2da5f881f630..3a310d92ef2f 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
@@ -225,17 +225,8 @@ static void dpaa2_eth_get_ethtool_stats(struct net_device *net_dev,
 					struct ethtool_stats *stats,
 					u64 *data)
 {
-	int i = 0;
-	int j, k, err;
-	int num_cnt;
-	union dpni_statistics dpni_stats;
-	u32 fcnt, bcnt;
-	u32 fcnt_rx_total = 0, fcnt_tx_total = 0;
-	u32 bcnt_rx_total = 0, bcnt_tx_total = 0;
-	u32 buf_cnt;
 	struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
-	struct dpaa2_eth_drv_stats *extras;
-	struct dpaa2_eth_ch_stats *ch_stats;
+	union dpni_statistics dpni_stats;
 	int dpni_stats_page_size[DPNI_STATISTICS_CNT] = {
 		sizeof(dpni_stats.page_0),
 		sizeof(dpni_stats.page_1),
@@ -245,6 +236,13 @@ static void dpaa2_eth_get_ethtool_stats(struct net_device *net_dev,
 		sizeof(dpni_stats.page_5),
 		sizeof(dpni_stats.page_6),
 	};
+	u32 fcnt_rx_total = 0, fcnt_tx_total = 0;
+	u32 bcnt_rx_total = 0, bcnt_tx_total = 0;
+	struct dpaa2_eth_ch_stats *ch_stats;
+	struct dpaa2_eth_drv_stats *extras;
+	int j, k, err, num_cnt, i = 0;
+	u32 fcnt, bcnt;
+	u32 buf_cnt;
 
 	memset(data, 0,
 	       sizeof(u64) * (DPAA2_ETH_NUM_STATS + DPAA2_ETH_NUM_EXTRA_STATS));
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
index 9f80bdfeedec..828f538097af 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
@@ -98,7 +98,7 @@
 #define DPNI_CMDID_GET_LINK_CFG				DPNI_CMD(0x278)
 
 #define DPNI_CMDID_SET_SINGLE_STEP_CFG			DPNI_CMD(0x279)
-#define DPNI_CMDID_GET_SINGLE_STEP_CFG			DPNI_CMD(0x27a)
+#define DPNI_CMDID_GET_SINGLE_STEP_CFG			DPNI_CMD_V2(0x27a)
 
 /* Macros for accessing command fields smaller than 1byte */
 #define DPNI_MASK(field)	\
@@ -658,12 +658,16 @@ struct dpni_cmd_single_step_cfg {
 	__le16 flags;
 	__le16 offset;
 	__le32 peer_delay;
+	__le32 ptp_onestep_reg_base;
+	__le32 pad0;
 };
 
 struct dpni_rsp_single_step_cfg {
 	__le16 flags;
 	__le16 offset;
 	__le32 peer_delay;
+	__le32 ptp_onestep_reg_base;
+	__le32 pad0;
 };
 
 struct dpni_cmd_enable_vlan_filter {
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.c b/drivers/net/ethernet/freescale/dpaa2/dpni.c
index d6afada99fb6..6c3b36f20fb8 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpni.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.c
@@ -2136,6 +2136,8 @@ int dpni_get_single_step_cfg(struct fsl_mc_io *mc_io,
 	ptp_cfg->ch_update = dpni_get_field(le16_to_cpu(rsp_params->flags),
 					    PTP_CH_UPDATE) ? 1 : 0;
 	ptp_cfg->peer_delay = le32_to_cpu(rsp_params->peer_delay);
+	ptp_cfg->ptp_onestep_reg_base =
+				  le32_to_cpu(rsp_params->ptp_onestep_reg_base);
 
 	return err;
 }
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.h b/drivers/net/ethernet/freescale/dpaa2/dpni.h
index 7de0562bbf59..6fffd519aa00 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpni.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.h
@@ -1074,12 +1074,18 @@ int dpni_set_tx_shaping(struct fsl_mc_io *mc_io,
  * @peer_delay:	For peer-to-peer transparent clocks add this value to the
  *		correction field in addition to the transient time update.
  *		The value expresses nanoseconds.
+ * @ptp_onestep_reg_base: 1588 SINGLE_STEP register base address. This address
+ *			  is used to update directly the register contents.
+ *			  User has to create an address mapping for it.
+ *
+ *
  */
 struct dpni_single_step_cfg {
 	u8	en;
 	u8	ch_update;
 	u16	offset;
 	u32	peer_delay;
+	u32	ptp_onestep_reg_base;
 };
 
 int dpni_set_single_step_cfg(struct fsl_mc_io *mc_io,
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_hw.h b/drivers/net/ethernet/freescale/enetc/enetc_hw.h
index 0f5f081a5baf..392348e28557 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_hw.h
+++ b/drivers/net/ethernet/freescale/enetc/enetc_hw.h
@@ -459,7 +459,7 @@ static inline u64 _enetc_rd_reg64(void __iomem *reg)
 		tmp = ioread32(reg + 4);
 	} while (high != tmp);
 
-	return le64_to_cpu((__le64)high << 32 | low);
+	return (u64)high << 32 | low;
 }
 #endif
 
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 4186e5732f97..f52c1674d19b 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -6549,6 +6549,10 @@ static int igc_probe(struct pci_dev *pdev,
 	adapter->port_num = hw->bus.func;
 	adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
 
+	/* Disable ASPM L1.2 on I226 devices to avoid packet loss */
+	if (igc_is_device_id_i226(hw))
+		pci_disable_link_state(pdev, PCIE_LINK_STATE_L1_2);
+
 	err = pci_save_state(pdev);
 	if (err)
 		goto err_ioremap;
@@ -6914,6 +6918,9 @@ static int __maybe_unused igc_resume(struct device *dev)
 	pci_enable_wake(pdev, PCI_D3hot, 0);
 	pci_enable_wake(pdev, PCI_D3cold, 0);
 
+	if (igc_is_device_id_i226(hw))
+		pci_disable_link_state(pdev, PCIE_LINK_STATE_L1_2);
+
 	if (igc_init_interrupt_scheme(adapter, true)) {
 		netdev_err(netdev, "Unable to allocate memory for queues\n");
 		return -ENOMEM;
@@ -7029,6 +7036,9 @@ static pci_ers_result_t igc_io_slot_reset(struct pci_dev *pdev)
 		pci_enable_wake(pdev, PCI_D3hot, 0);
 		pci_enable_wake(pdev, PCI_D3cold, 0);
 
+		if (igc_is_device_id_i226(hw))
+			pci_disable_link_state_locked(pdev, PCIE_LINK_STATE_L1_2);
+
 		/* In case of PCI error, adapter loses its HW address
 		 * so we should re-assign it here.
 		 */
diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index 3fdc7c9824a3..879506343283 100644
--- a/drivers/net/ethernet/sun/niu.c
+++ b/drivers/net/ethernet/sun/niu.c
@@ -3317,7 +3317,7 @@ static int niu_rbr_add_page(struct niu *np, struct rx_ring_info *rp,
 
 	addr = np->ops->map_page(np->device, page, 0,
 				 PAGE_SIZE, DMA_FROM_DEVICE);
-	if (!addr) {
+	if (np->ops->mapping_error(np->device, addr)) {
 		__free_page(page);
 		return -ENOMEM;
 	}
@@ -6654,6 +6654,8 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb,
 	len = skb_headlen(skb);
 	mapping = np->ops->map_single(np->device, skb->data,
 				      len, DMA_TO_DEVICE);
+	if (np->ops->mapping_error(np->device, mapping))
+		goto out_drop;
 
 	prod = rp->prod;
 
@@ -6695,6 +6697,8 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb,
 		mapping = np->ops->map_page(np->device, skb_frag_page(frag),
 					    skb_frag_off(frag), len,
 					    DMA_TO_DEVICE);
+		if (np->ops->mapping_error(np->device, mapping))
+			goto out_unmap;
 
 		rp->tx_buffs[prod].skb = NULL;
 		rp->tx_buffs[prod].mapping = mapping;
@@ -6719,6 +6723,19 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb,
 out:
 	return NETDEV_TX_OK;
 
+out_unmap:
+	while (i--) {
+		const skb_frag_t *frag;
+
+		prod = PREVIOUS_TX(rp, prod);
+		frag = &skb_shinfo(skb)->frags[i];
+		np->ops->unmap_page(np->device, rp->tx_buffs[prod].mapping,
+				    skb_frag_size(frag), DMA_TO_DEVICE);
+	}
+
+	np->ops->unmap_single(np->device, rp->tx_buffs[rp->prod].mapping,
+			      skb_headlen(skb), DMA_TO_DEVICE);
+
 out_drop:
 	rp->tx_errors++;
 	kfree_skb(skb);
@@ -9612,6 +9629,11 @@ static void niu_pci_unmap_single(struct device *dev, u64 dma_address,
 	dma_unmap_single(dev, dma_address, size, direction);
 }
 
+static int niu_pci_mapping_error(struct device *dev, u64 addr)
+{
+	return dma_mapping_error(dev, addr);
+}
+
 static const struct niu_ops niu_pci_ops = {
 	.alloc_coherent	= niu_pci_alloc_coherent,
 	.free_coherent	= niu_pci_free_coherent,
@@ -9619,6 +9641,7 @@ static const struct niu_ops niu_pci_ops = {
 	.unmap_page	= niu_pci_unmap_page,
 	.map_single	= niu_pci_map_single,
 	.unmap_single	= niu_pci_unmap_single,
+	.mapping_error	= niu_pci_mapping_error,
 };
 
 static void niu_driver_version(void)
@@ -9985,6 +10008,11 @@ static void niu_phys_unmap_single(struct device *dev, u64 dma_address,
 	/* Nothing to do.  */
 }
 
+static int niu_phys_mapping_error(struct device *dev, u64 dma_address)
+{
+	return false;
+}
+
 static const struct niu_ops niu_phys_ops = {
 	.alloc_coherent	= niu_phys_alloc_coherent,
 	.free_coherent	= niu_phys_free_coherent,
@@ -9992,6 +10020,7 @@ static const struct niu_ops niu_phys_ops = {
 	.unmap_page	= niu_phys_unmap_page,
 	.map_single	= niu_phys_map_single,
 	.unmap_single	= niu_phys_unmap_single,
+	.mapping_error	= niu_phys_mapping_error,
 };
 
 static int niu_of_probe(struct platform_device *op)
diff --git a/drivers/net/ethernet/sun/niu.h b/drivers/net/ethernet/sun/niu.h
index 04c215f91fc0..0b169c08b0f2 100644
--- a/drivers/net/ethernet/sun/niu.h
+++ b/drivers/net/ethernet/sun/niu.h
@@ -2879,6 +2879,9 @@ struct tx_ring_info {
 #define NEXT_TX(tp, index) \
 	(((index) + 1) < (tp)->pending ? ((index) + 1) : 0)
 
+#define PREVIOUS_TX(tp, index) \
+	(((index) - 1) >= 0 ? ((index) - 1) : (((tp)->pending) - 1))
+
 static inline u32 niu_tx_avail(struct tx_ring_info *tp)
 {
 	return (tp->pending -
@@ -3140,6 +3143,7 @@ struct niu_ops {
 			  enum dma_data_direction direction);
 	void (*unmap_single)(struct device *dev, u64 dma_address,
 			     size_t size, enum dma_data_direction direction);
+	int (*mapping_error)(struct device *dev, u64 dma_address);
 };
 
 struct niu_link_config {
diff --git a/drivers/net/wireless/ath/ath6kl/bmi.c b/drivers/net/wireless/ath/ath6kl/bmi.c
index af98e871199d..5a9e93fd1ef4 100644
--- a/drivers/net/wireless/ath/ath6kl/bmi.c
+++ b/drivers/net/wireless/ath/ath6kl/bmi.c
@@ -87,7 +87,9 @@ int ath6kl_bmi_get_target_info(struct ath6kl *ar,
 		 * We need to do some backwards compatibility to make this work.
 		 */
 		if (le32_to_cpu(targ_info->byte_count) != sizeof(*targ_info)) {
-			WARN_ON(1);
+			ath6kl_err("mismatched byte count %d vs. expected %zd\n",
+				   le32_to_cpu(targ_info->byte_count),
+				   sizeof(*targ_info));
 			return -EINVAL;
 		}
 
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index 4325b98993a4..ac47a6ee2e93 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -1882,12 +1882,17 @@ static void prepopulate_bars(struct hv_pcibus_device *hbus)
 				}
 			}
 			if (high_size <= 1 && low_size <= 1) {
-				/* Set the memory enable bit. */
-				_hv_pcifront_read_config(hpdev, PCI_COMMAND, 2,
-							 &command);
-				command |= PCI_COMMAND_MEMORY;
-				_hv_pcifront_write_config(hpdev, PCI_COMMAND, 2,
-							  command);
+				/*
+				 * No need to set the PCI_COMMAND_MEMORY bit as
+				 * the core PCI driver doesn't require the bit
+				 * to be pre-set. Actually here we intentionally
+				 * keep the bit off so that the PCI BAR probing
+				 * in the core PCI driver doesn't cause Hyper-V
+				 * to unnecessarily unmap/map the virtual BARs
+				 * from/to the physical BARs multiple times.
+				 * This reduces the VM boot time significantly
+				 * if the BAR sizes are huge.
+				 */
 				break;
 			}
 		}
diff --git a/drivers/platform/mellanox/mlxbf-tmfifo.c b/drivers/platform/mellanox/mlxbf-tmfifo.c
index 767f4406e55f..1eb7f4eb1156 100644
--- a/drivers/platform/mellanox/mlxbf-tmfifo.c
+++ b/drivers/platform/mellanox/mlxbf-tmfifo.c
@@ -253,7 +253,8 @@ static int mlxbf_tmfifo_alloc_vrings(struct mlxbf_tmfifo *fifo,
 		vring->align = SMP_CACHE_BYTES;
 		vring->index = i;
 		vring->vdev_id = tm_vdev->vdev.id.device;
-		vring->drop_desc.len = VRING_DROP_DESC_MAX_LEN;
+		vring->drop_desc.len = cpu_to_virtio32(&tm_vdev->vdev,
+						       VRING_DROP_DESC_MAX_LEN);
 		dev = &tm_vdev->vdev.dev;
 
 		size = vring_size(vring->num, vring->align);
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/dell-wmi-sysman.h b/drivers/platform/x86/dell/dell-wmi-sysman/dell-wmi-sysman.h
index 3ad33a094588..817ee7ba07ca 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/dell-wmi-sysman.h
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/dell-wmi-sysman.h
@@ -89,6 +89,11 @@ extern struct wmi_sysman_priv wmi_priv;
 
 enum { ENUM, INT, STR, PO };
 
+#define ENUM_MIN_ELEMENTS		8
+#define INT_MIN_ELEMENTS		9
+#define STR_MIN_ELEMENTS		8
+#define PO_MIN_ELEMENTS			4
+
 enum {
 	ATTR_NAME,
 	DISPL_NAME_LANG_CODE,
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c b/drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c
index 8cc212c85266..fc2f58b4cbc6 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c
@@ -23,9 +23,10 @@ static ssize_t current_value_show(struct kobject *kobj, struct kobj_attribute *a
 	obj = get_wmiobj_pointer(instance_id, DELL_WMI_BIOS_ENUMERATION_ATTRIBUTE_GUID);
 	if (!obj)
 		return -EIO;
-	if (obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_STRING) {
+	if (obj->type != ACPI_TYPE_PACKAGE || obj->package.count < ENUM_MIN_ELEMENTS ||
+	    obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_STRING) {
 		kfree(obj);
-		return -EINVAL;
+		return -EIO;
 	}
 	ret = snprintf(buf, PAGE_SIZE, "%s\n", obj->package.elements[CURRENT_VAL].string.pointer);
 	kfree(obj);
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/int-attributes.c b/drivers/platform/x86/dell/dell-wmi-sysman/int-attributes.c
index 951e75b538fa..735248064239 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/int-attributes.c
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/int-attributes.c
@@ -25,9 +25,10 @@ static ssize_t current_value_show(struct kobject *kobj, struct kobj_attribute *a
 	obj = get_wmiobj_pointer(instance_id, DELL_WMI_BIOS_INTEGER_ATTRIBUTE_GUID);
 	if (!obj)
 		return -EIO;
-	if (obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_INTEGER) {
+	if (obj->type != ACPI_TYPE_PACKAGE || obj->package.count < INT_MIN_ELEMENTS ||
+	    obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_INTEGER) {
 		kfree(obj);
-		return -EINVAL;
+		return -EIO;
 	}
 	ret = snprintf(buf, PAGE_SIZE, "%lld\n", obj->package.elements[CURRENT_VAL].integer.value);
 	kfree(obj);
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c b/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c
index d8f1bf5e58a0..3167e06d416e 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c
@@ -26,9 +26,10 @@ static ssize_t is_enabled_show(struct kobject *kobj, struct kobj_attribute *attr
 	obj = get_wmiobj_pointer(instance_id, DELL_WMI_BIOS_PASSOBJ_ATTRIBUTE_GUID);
 	if (!obj)
 		return -EIO;
-	if (obj->package.elements[IS_PASS_SET].type != ACPI_TYPE_INTEGER) {
+	if (obj->type != ACPI_TYPE_PACKAGE || obj->package.count < PO_MIN_ELEMENTS ||
+	    obj->package.elements[IS_PASS_SET].type != ACPI_TYPE_INTEGER) {
 		kfree(obj);
-		return -EINVAL;
+		return -EIO;
 	}
 	ret = snprintf(buf, PAGE_SIZE, "%lld\n", obj->package.elements[IS_PASS_SET].integer.value);
 	kfree(obj);
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c b/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c
index c392f0ecf8b5..0d2c74f8d1aa 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c
@@ -25,9 +25,10 @@ static ssize_t current_value_show(struct kobject *kobj, struct kobj_attribute *a
 	obj = get_wmiobj_pointer(instance_id, DELL_WMI_BIOS_STRING_ATTRIBUTE_GUID);
 	if (!obj)
 		return -EIO;
-	if (obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_STRING) {
+	if (obj->type != ACPI_TYPE_PACKAGE || obj->package.count < STR_MIN_ELEMENTS ||
+	    obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_STRING) {
 		kfree(obj);
-		return -EINVAL;
+		return -EIO;
 	}
 	ret = snprintf(buf, PAGE_SIZE, "%s\n", obj->package.elements[CURRENT_VAL].string.pointer);
 	kfree(obj);
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c b/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
index 47f8c5a63343..ddde6e41d8f3 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
@@ -411,10 +411,10 @@ static int init_bios_attributes(int attr_type, const char *guid)
 		return retval;
 
 	switch (attr_type) {
-	case ENUM:	min_elements = 8;	break;
-	case INT:	min_elements = 9;	break;
-	case STR:	min_elements = 8;	break;
-	case PO:	min_elements = 4;	break;
+	case ENUM:	min_elements = ENUM_MIN_ELEMENTS;	break;
+	case INT:	min_elements = INT_MIN_ELEMENTS;	break;
+	case STR:	min_elements = STR_MIN_ELEMENTS;	break;
+	case PO:	min_elements = PO_MIN_ELEMENTS;		break;
 	default:
 		pr_err("Error: Unknown attr_type: %d\n", attr_type);
 		return -EINVAL;
@@ -605,7 +605,7 @@ static int __init sysman_init(void)
 	release_attributes_data();
 
 err_destroy_classdev:
-	device_destroy(fw_attr_class, MKDEV(0, 0));
+	device_unregister(wmi_priv.class_dev);
 
 err_unregister_class:
 	fw_attributes_class_put();
@@ -622,7 +622,7 @@ static int __init sysman_init(void)
 static void __exit sysman_exit(void)
 {
 	release_attributes_data();
-	device_destroy(fw_attr_class, MKDEV(0, 0));
+	device_unregister(wmi_priv.class_dev);
 	fw_attributes_class_put();
 	exit_bios_attr_set_interface();
 	exit_bios_attr_pass_interface();
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index e75b09a144a3..7c655ace4fdc 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -13,6 +13,7 @@
 #include <linux/bitops.h>
 #include <linux/bug.h>
 #include <linux/debugfs.h>
+#include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/dmi.h>
 #include <linux/fb.h>
@@ -158,6 +159,20 @@ MODULE_PARM_DESC(no_bt_rfkill, "No rfkill for bluetooth.");
  */
 #define IDEAPAD_EC_TIMEOUT 200 /* in ms */
 
+/*
+ * Some models (e.g., ThinkBook since 2024) have a low tolerance for being
+ * polled too frequently. Doing so may break the state machine in the EC,
+ * resulting in a hard shutdown.
+ *
+ * It is also observed that frequent polls may disturb the ongoing operation
+ * and notably delay the availability of EC response.
+ *
+ * These values are used as the delay before the first poll and the interval
+ * between subsequent polls to solve the above issues.
+ */
+#define IDEAPAD_EC_POLL_MIN_US 150
+#define IDEAPAD_EC_POLL_MAX_US 300
+
 static int eval_int(acpi_handle handle, const char *name, unsigned long *res)
 {
 	unsigned long long result;
@@ -263,7 +278,7 @@ static int read_ec_data(acpi_handle handle, unsigned long cmd, unsigned long *da
 	end_jiffies = jiffies + msecs_to_jiffies(IDEAPAD_EC_TIMEOUT) + 1;
 
 	while (time_before(jiffies, end_jiffies)) {
-		schedule();
+		usleep_range(IDEAPAD_EC_POLL_MIN_US, IDEAPAD_EC_POLL_MAX_US);
 
 		err = eval_vpcr(handle, 1, &val);
 		if (err)
@@ -294,7 +309,7 @@ static int write_ec_cmd(acpi_handle handle, unsigned long cmd, unsigned long dat
 	end_jiffies = jiffies + msecs_to_jiffies(IDEAPAD_EC_TIMEOUT) + 1;
 
 	while (time_before(jiffies, end_jiffies)) {
-		schedule();
+		usleep_range(IDEAPAD_EC_POLL_MIN_US, IDEAPAD_EC_POLL_MAX_US);
 
 		err = eval_vpcr(handle, 1, &val);
 		if (err)
diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c
index 154b1b26d03f..36ff64a7b684 100644
--- a/drivers/platform/x86/think-lmi.c
+++ b/drivers/platform/x86/think-lmi.c
@@ -827,6 +827,14 @@ static int tlmi_sysfs_init(void)
 		goto fail_device_created;
 	}
 
+	tlmi_priv.authentication_kset = kset_create_and_add("authentication", NULL,
+							    &tlmi_priv.class_dev->kobj);
+	if (!tlmi_priv.authentication_kset) {
+		kset_unregister(tlmi_priv.attribute_kset);
+		ret = -ENOMEM;
+		goto fail_device_created;
+	}
+
 	for (i = 0; i < TLMI_SETTINGS_COUNT; i++) {
 		/* Check if index is a valid setting - skip if it isn't */
 		if (!tlmi_priv.setting[i])
@@ -863,12 +871,6 @@ static int tlmi_sysfs_init(void)
 			goto fail_create_attr;
 	}
 	/* Create authentication entries */
-	tlmi_priv.authentication_kset = kset_create_and_add("authentication", NULL,
-								&tlmi_priv.class_dev->kobj);
-	if (!tlmi_priv.authentication_kset) {
-		ret = -ENOMEM;
-		goto fail_create_attr;
-	}
 	tlmi_priv.pwd_admin->kobj.kset = tlmi_priv.authentication_kset;
 	ret = kobject_add(&tlmi_priv.pwd_admin->kobj, NULL, "%s", "Admin");
 	if (ret)
@@ -892,7 +894,7 @@ static int tlmi_sysfs_init(void)
 fail_create_attr:
 	tlmi_release_attr();
 fail_device_created:
-	device_destroy(fw_attr_class, MKDEV(0, 0));
+	device_unregister(tlmi_priv.class_dev);
 fail_class_created:
 	fw_attributes_class_put();
 	return ret;
@@ -1055,7 +1057,7 @@ static int tlmi_analyze(void)
 static void tlmi_remove(struct wmi_device *wdev)
 {
 	tlmi_release_attr();
-	device_destroy(fw_attr_class, MKDEV(0, 0));
+	device_unregister(tlmi_priv.class_dev);
 	fw_attributes_class_put();
 }
 
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index 5927d4f3eabd..b34671eb49b5 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -220,6 +220,9 @@ of_get_gpio_regulator_config(struct device *dev, struct device_node *np,
 				 regtype);
 	}
 
+	if (of_find_property(np, "vin-supply", NULL))
+		config->input_supply = "vin";
+
 	return config;
 }
 
@@ -257,10 +260,22 @@ static int gpio_regulator_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
-	drvdata->gpiods = devm_kzalloc(dev, sizeof(struct gpio_desc *),
-				       GFP_KERNEL);
+	drvdata->gpiods = devm_kcalloc(dev, config->ngpios,
+				       sizeof(struct gpio_desc *), GFP_KERNEL);
 	if (!drvdata->gpiods)
 		return -ENOMEM;
+
+	if (config->input_supply) {
+		drvdata->desc.supply_name = devm_kstrdup(&pdev->dev,
+							 config->input_supply,
+							 GFP_KERNEL);
+		if (!drvdata->desc.supply_name) {
+			dev_err(&pdev->dev,
+				"Failed to allocate input supply\n");
+			return -ENOMEM;
+		}
+	}
+
 	for (i = 0; i < config->ngpios; i++) {
 		drvdata->gpiods[i] = devm_gpiod_get_index(dev,
 							  NULL,
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 9f776c048a83..9f42224aed05 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -698,8 +698,12 @@ static irqreturn_t cmos_interrupt(int irq, void *p)
 {
 	u8		irqstat;
 	u8		rtc_control;
+	unsigned long	flags;
 
-	spin_lock(&rtc_lock);
+	/* We cannot use spin_lock() here, as cmos_interrupt() is also called
+	 * in a non-irq context.
+	 */
+	spin_lock_irqsave(&rtc_lock, flags);
 
 	/* When the HPET interrupt handler calls us, the interrupt
 	 * status is passed as arg1 instead of the irq number.  But
@@ -733,7 +737,7 @@ static irqreturn_t cmos_interrupt(int irq, void *p)
 			hpet_mask_rtc_irq_bit(RTC_AIE);
 		CMOS_READ(RTC_INTR_FLAGS);
 	}
-	spin_unlock(&rtc_lock);
+	spin_unlock_irqrestore(&rtc_lock, flags);
 
 	if (is_intr(irqstat)) {
 		rtc_update_irq(p, 1, irqstat);
@@ -1284,9 +1288,7 @@ static void cmos_check_wkalrm(struct device *dev)
 	 * ACK the rtc irq here
 	 */
 	if (t_now >= cmos->alarm_expires && cmos_use_acpi_alarm()) {
-		local_irq_disable();
 		cmos_interrupt(0, (void *)cmos->rtc);
-		local_irq_enable();
 		return;
 	}
 
diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c
index 43dd937cdfba..a9732c3f54b7 100644
--- a/drivers/s390/crypto/pkey_api.c
+++ b/drivers/s390/crypto/pkey_api.c
@@ -1134,7 +1134,7 @@ static void *_copy_apqns_from_user(void __user *uapqns, size_t nr_apqns)
 	if (!uapqns || nr_apqns == 0)
 		return NULL;
 
-	return memdup_user(uapqns, nr_apqns * sizeof(struct pkey_apqn));
+	return memdup_array_user(uapqns, nr_apqns, sizeof(struct pkey_apqn));
 }
 
 static long pkey_unlocked_ioctl(struct file *filp, unsigned int cmd,
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index d2ff54beb7cd..7a28582b1f73 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -2141,7 +2141,7 @@ qla24xx_get_port_database(scsi_qla_host_t *vha, u16 nport_handle,
 
 	pdb_dma = dma_map_single(&vha->hw->pdev->dev, pdb,
 	    sizeof(*pdb), DMA_FROM_DEVICE);
-	if (!pdb_dma) {
+	if (dma_mapping_error(&vha->hw->pdev->dev, pdb_dma)) {
 		ql_log(ql_log_warn, vha, 0x1116, "Failed to map dma buffer.\n");
 		return QLA_MEMORY_ALLOC_FAILED;
 	}
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index dc466a364fb1..ab89f3171a09 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -3420,6 +3420,8 @@ static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
 		task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data,
 						     task->data_count,
 						     DMA_TO_DEVICE);
+		if (dma_mapping_error(&ha->pdev->dev, task_data->data_dma))
+			return -ENOMEM;
 	}
 
 	DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c
index 3bfdcc2f22dc..369595dbb1fc 100644
--- a/drivers/scsi/ufs/ufs-sysfs.c
+++ b/drivers/scsi/ufs/ufs-sysfs.c
@@ -1180,7 +1180,7 @@ UFS_UNIT_DESC_PARAM(logical_block_size, _LOGICAL_BLK_SIZE, 1);
 UFS_UNIT_DESC_PARAM(logical_block_count, _LOGICAL_BLK_COUNT, 8);
 UFS_UNIT_DESC_PARAM(erase_block_size, _ERASE_BLK_SIZE, 4);
 UFS_UNIT_DESC_PARAM(provisioning_type, _PROVISIONING_TYPE, 1);
-UFS_UNIT_DESC_PARAM(physical_memory_resourse_count, _PHY_MEM_RSRC_CNT, 8);
+UFS_UNIT_DESC_PARAM(physical_memory_resource_count, _PHY_MEM_RSRC_CNT, 8);
 UFS_UNIT_DESC_PARAM(context_capabilities, _CTX_CAPABILITIES, 2);
 UFS_UNIT_DESC_PARAM(large_unit_granularity, _LARGE_UNIT_SIZE_M1, 1);
 UFS_UNIT_DESC_PARAM(hpb_lu_max_active_regions, _HPB_LU_MAX_ACTIVE_RGNS, 2);
@@ -1200,7 +1200,7 @@ static struct attribute *ufs_sysfs_unit_descriptor[] = {
 	&dev_attr_logical_block_count.attr,
 	&dev_attr_erase_block_size.attr,
 	&dev_attr_provisioning_type.attr,
-	&dev_attr_physical_memory_resourse_count.attr,
+	&dev_attr_physical_memory_resource_count.attr,
 	&dev_attr_context_capabilities.attr,
 	&dev_attr_large_unit_granularity.attr,
 	&dev_attr_hpb_lu_max_active_regions.attr,
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index eda7ed618369..580fdcbcd9b6 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -964,11 +964,20 @@ static int dspi_transfer_one_message(struct spi_controller *ctlr,
 		if (dspi->devtype_data->trans_mode == DSPI_DMA_MODE) {
 			status = dspi_dma_xfer(dspi);
 		} else {
+			/*
+			 * Reinitialize the completion before transferring data
+			 * to avoid the case where it might remain in the done
+			 * state due to a spurious interrupt from a previous
+			 * transfer. This could falsely signal that the current
+			 * transfer has completed.
+			 */
+			if (dspi->irq)
+				reinit_completion(&dspi->xfer_done);
+
 			dspi_fifo_write(dspi);
 
 			if (dspi->irq) {
 				wait_for_completion(&dspi->xfer_done);
-				reinit_completion(&dspi->xfer_done);
 			} else {
 				do {
 					status = dspi_poll(dspi);
diff --git a/drivers/staging/rtl8723bs/core/rtw_security.c b/drivers/staging/rtl8723bs/core/rtw_security.c
index ac731415f733..904beca2c02d 100644
--- a/drivers/staging/rtl8723bs/core/rtw_security.c
+++ b/drivers/staging/rtl8723bs/core/rtw_security.c
@@ -869,29 +869,21 @@ static signed int aes_cipher(u8 *key, uint	hdrlen,
 		num_blocks, payload_index;
 
 	u8 pn_vector[6];
-	u8 mic_iv[16];
-	u8 mic_header1[16];
-	u8 mic_header2[16];
-	u8 ctr_preload[16];
+	u8 mic_iv[16] = {};
+	u8 mic_header1[16] = {};
+	u8 mic_header2[16] = {};
+	u8 ctr_preload[16] = {};
 
 	/* Intermediate Buffers */
-	u8 chain_buffer[16];
-	u8 aes_out[16];
-	u8 padded_buffer[16];
+	u8 chain_buffer[16] = {};
+	u8 aes_out[16] = {};
+	u8 padded_buffer[16] = {};
 	u8 mic[8];
 	uint	frtype  = GetFrameType(pframe);
 	uint	frsubtype  = GetFrameSubType(pframe);
 
 	frsubtype = frsubtype>>4;
 
-	memset((void *)mic_iv, 0, 16);
-	memset((void *)mic_header1, 0, 16);
-	memset((void *)mic_header2, 0, 16);
-	memset((void *)ctr_preload, 0, 16);
-	memset((void *)chain_buffer, 0, 16);
-	memset((void *)aes_out, 0, 16);
-	memset((void *)padded_buffer, 0, 16);
-
 	if ((hdrlen == WLAN_HDR_A3_LEN) || (hdrlen ==  WLAN_HDR_A3_QOS_LEN))
 		a4_exists = 0;
 	else
@@ -1081,15 +1073,15 @@ static signed int aes_decipher(u8 *key, uint	hdrlen,
 			num_blocks, payload_index;
 	signed int res = _SUCCESS;
 	u8 pn_vector[6];
-	u8 mic_iv[16];
-	u8 mic_header1[16];
-	u8 mic_header2[16];
-	u8 ctr_preload[16];
+	u8 mic_iv[16] = {};
+	u8 mic_header1[16] = {};
+	u8 mic_header2[16] = {};
+	u8 ctr_preload[16] = {};
 
 		/* Intermediate Buffers */
-	u8 chain_buffer[16];
-	u8 aes_out[16];
-	u8 padded_buffer[16];
+	u8 chain_buffer[16] = {};
+	u8 aes_out[16] = {};
+	u8 padded_buffer[16] = {};
 	u8 mic[8];
 
 	uint frtype  = GetFrameType(pframe);
@@ -1097,14 +1089,6 @@ static signed int aes_decipher(u8 *key, uint	hdrlen,
 
 	frsubtype = frsubtype>>4;
 
-	memset((void *)mic_iv, 0, 16);
-	memset((void *)mic_header1, 0, 16);
-	memset((void *)mic_header2, 0, 16);
-	memset((void *)ctr_preload, 0, 16);
-	memset((void *)chain_buffer, 0, 16);
-	memset((void *)aes_out, 0, 16);
-	memset((void *)padded_buffer, 0, 16);
-
 	/* start to decrypt the payload */
 
 	num_blocks = (plen-8) / 16; /* plen including LLC, payload_length and mic) */
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 3829b61b56c1..f4a797d3c573 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -1852,7 +1852,9 @@ core_scsi3_decode_spec_i_port(
 		}
 
 		kmem_cache_free(t10_pr_reg_cache, dest_pr_reg);
-		core_scsi3_lunacl_undepend_item(dest_se_deve);
+
+		if (dest_se_deve)
+			core_scsi3_lunacl_undepend_item(dest_se_deve);
 
 		if (is_local)
 			continue;
diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
index 36871cebd6a0..0345eaf96963 100644
--- a/drivers/tty/serial/uartlite.c
+++ b/drivers/tty/serial/uartlite.c
@@ -808,16 +808,6 @@ static int ulite_probe(struct platform_device *pdev)
 	pm_runtime_set_active(&pdev->dev);
 	pm_runtime_enable(&pdev->dev);
 
-	if (!ulite_uart_driver.state) {
-		dev_dbg(&pdev->dev, "uartlite: calling uart_register_driver()\n");
-		ret = uart_register_driver(&ulite_uart_driver);
-		if (ret < 0) {
-			dev_err(&pdev->dev, "Failed to register driver\n");
-			clk_disable_unprepare(pdata->clk);
-			return ret;
-		}
-	}
-
 	ret = ulite_assign(&pdev->dev, id, res->start, irq, pdata);
 
 	pm_runtime_mark_last_busy(&pdev->dev);
@@ -859,16 +849,25 @@ static struct platform_driver ulite_platform_driver = {
 
 static int __init ulite_init(void)
 {
+	int ret;
+
+	pr_debug("uartlite: calling uart_register_driver()\n");
+	ret = uart_register_driver(&ulite_uart_driver);
+	if (ret)
+		return ret;
 
 	pr_debug("uartlite: calling platform_driver_register()\n");
-	return platform_driver_register(&ulite_platform_driver);
+	ret = platform_driver_register(&ulite_platform_driver);
+	if (ret)
+		uart_unregister_driver(&ulite_uart_driver);
+
+	return ret;
 }
 
 static void __exit ulite_exit(void)
 {
 	platform_driver_unregister(&ulite_platform_driver);
-	if (ulite_uart_driver.state)
-		uart_unregister_driver(&ulite_uart_driver);
+	uart_unregister_driver(&ulite_uart_driver);
 }
 
 module_init(ulite_init);
diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c
index d815ac98b39e..32fa4df121da 100644
--- a/drivers/tty/vt/consolemap.c
+++ b/drivers/tty/vt/consolemap.c
@@ -186,17 +186,26 @@ static unsigned short translations[][256] = {
 
 static int inv_translate[MAX_NR_CONSOLES];
 
-struct uni_pagedir {
-	u16 		**uni_pgdir[32];
+/**
+ * struct uni_pagedict -- unicode directory
+ *
+ * @uni_pgdir: 32*32*64 table with glyphs
+ * @refcount: reference count of this structure
+ * @sum: checksum
+ * @inverse_translations: best-effort inverse mapping
+ * @inverse_trans_unicode: best-effort inverse mapping to unicode
+ */
+struct uni_pagedict {
+	u16		**uni_pgdir[32];
 	unsigned long	refcount;
 	unsigned long	sum;
 	unsigned char	*inverse_translations[4];
 	u16		*inverse_trans_unicode;
 };
 
-static struct uni_pagedir *dflt;
+static struct uni_pagedict *dflt;
 
-static void set_inverse_transl(struct vc_data *conp, struct uni_pagedir *p, int i)
+static void set_inverse_transl(struct vc_data *conp, struct uni_pagedict *p, int i)
 {
 	int j, glyph;
 	unsigned short *t = translations[i];
@@ -221,7 +230,7 @@ static void set_inverse_transl(struct vc_data *conp, struct uni_pagedir *p, int
 }
 
 static void set_inverse_trans_unicode(struct vc_data *conp,
-				      struct uni_pagedir *p)
+				      struct uni_pagedict *p)
 {
 	int i, j, k, glyph;
 	u16 **p1, *p2;
@@ -270,7 +279,7 @@ unsigned short *set_translate(int m, struct vc_data *vc)
  */
 u16 inverse_translate(const struct vc_data *conp, int glyph, int use_unicode)
 {
-	struct uni_pagedir *p;
+	struct uni_pagedict *p;
 	int m;
 	if (glyph < 0 || glyph >= MAX_GLYPH)
 		return 0;
@@ -297,7 +306,7 @@ EXPORT_SYMBOL_GPL(inverse_translate);
 static void update_user_maps(void)
 {
 	int i;
-	struct uni_pagedir *p, *q = NULL;
+	struct uni_pagedict *p, *q = NULL;
 	
 	for (i = 0; i < MAX_NR_CONSOLES; i++) {
 		if (!vc_cons_allocated(i))
@@ -393,7 +402,7 @@ int con_get_trans_new(ushort __user * arg)
 extern u8 dfont_unicount[];	/* Defined in console_defmap.c */
 extern u16 dfont_unitable[];
 
-static void con_release_unimap(struct uni_pagedir *p)
+static void con_release_unimap(struct uni_pagedict *p)
 {
 	u16 **p1;
 	int i, j;
@@ -419,7 +428,7 @@ static void con_release_unimap(struct uni_pagedir *p)
 /* Caller must hold the console lock */
 void con_free_unimap(struct vc_data *vc)
 {
-	struct uni_pagedir *p;
+	struct uni_pagedict *p;
 
 	p = *vc->vc_uni_pagedir_loc;
 	if (!p)
@@ -431,10 +440,10 @@ void con_free_unimap(struct vc_data *vc)
 	kfree(p);
 }
   
-static int con_unify_unimap(struct vc_data *conp, struct uni_pagedir *p)
+static int con_unify_unimap(struct vc_data *conp, struct uni_pagedict *p)
 {
 	int i, j, k;
-	struct uni_pagedir *q;
+	struct uni_pagedict *q;
 	
 	for (i = 0; i < MAX_NR_CONSOLES; i++) {
 		if (!vc_cons_allocated(i))
@@ -472,7 +481,7 @@ static int con_unify_unimap(struct vc_data *conp, struct uni_pagedir *p)
 }
 
 static int
-con_insert_unipair(struct uni_pagedir *p, u_short unicode, u_short fontpos)
+con_insert_unipair(struct uni_pagedict *p, u_short unicode, u_short fontpos)
 {
 	int i, n;
 	u16 **p1, *p2;
@@ -503,7 +512,7 @@ con_insert_unipair(struct uni_pagedir *p, u_short unicode, u_short fontpos)
 /* Caller must hold the lock */
 static int con_do_clear_unimap(struct vc_data *vc)
 {
-	struct uni_pagedir *p, *q;
+	struct uni_pagedict *p, *q;
 
 	p = *vc->vc_uni_pagedir_loc;
 	if (!p || --p->refcount) {
@@ -536,7 +545,7 @@ int con_clear_unimap(struct vc_data *vc)
 int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list)
 {
 	int err = 0, err1, i;
-	struct uni_pagedir *p, *q;
+	struct uni_pagedict *p, *q;
 	struct unipair *unilist, *plist;
 
 	if (!ct)
@@ -569,7 +578,7 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list)
 		
 		/*
 		 * Since refcount was > 1, con_clear_unimap() allocated a
-		 * a new uni_pagedir for this vc.  Re: p != q
+		 * a new uni_pagedict for this vc.  Re: p != q
 		 */
 		q = *vc->vc_uni_pagedir_loc;
 
@@ -660,7 +669,7 @@ int con_set_default_unimap(struct vc_data *vc)
 {
 	int i, j, err = 0, err1;
 	u16 *q;
-	struct uni_pagedir *p;
+	struct uni_pagedict *p;
 
 	if (dflt) {
 		p = *vc->vc_uni_pagedir_loc;
@@ -714,7 +723,7 @@ EXPORT_SYMBOL(con_set_default_unimap);
  */
 int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc)
 {
-	struct uni_pagedir *q;
+	struct uni_pagedict *q;
 
 	if (!*src_vc->vc_uni_pagedir_loc)
 		return -EINVAL;
@@ -739,7 +748,7 @@ int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct uni
 	int i, j, k, ret = 0;
 	ushort ect;
 	u16 **p1, *p2;
-	struct uni_pagedir *p;
+	struct uni_pagedict *p;
 	struct unipair *unilist;
 
 	unilist = kvmalloc_array(ct, sizeof(struct unipair), GFP_KERNEL);
@@ -810,7 +819,7 @@ conv_uni_to_pc(struct vc_data *conp, long ucs)
 {
 	int h;
 	u16 **p1, *p2;
-	struct uni_pagedir *p;
+	struct uni_pagedict *p;
   
 	/* Only 16-bit codes supported at this time */
 	if (ucs > 0xffff)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index bd125ea5c51f..a6e0c803e96e 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1014,7 +1014,7 @@ void redraw_screen(struct vc_data *vc, int is_switch)
 	}
 
 	if (redraw) {
-		int update;
+		bool update;
 		int old_was_color = vc->vc_can_do_color;
 
 		set_origin(vc);
@@ -1050,7 +1050,7 @@ int vc_cons_allocated(unsigned int i)
 	return (i < MAX_NR_CONSOLES && vc_cons[i].d);
 }
 
-static void visual_init(struct vc_data *vc, int num, int init)
+static void visual_init(struct vc_data *vc, int num, bool init)
 {
 	/* ++Geert: vc->vc_sw->con_init determines console size */
 	if (vc->vc_sw)
@@ -1134,7 +1134,7 @@ int vc_allocate(unsigned int currcons)	/* return 0 on success */
 	vc->port.ops = &vc_port_ops;
 	INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK);
 
-	visual_init(vc, currcons, 1);
+	visual_init(vc, currcons, true);
 
 	if (!*vc->vc_uni_pagedir_loc)
 		con_set_default_unimap(vc);
@@ -1628,7 +1628,7 @@ static void csi_X(struct vc_data *vc, unsigned int vpar)
 	vc_uniscr_clear_line(vc, vc->state.x, count);
 	scr_memsetw((unsigned short *)vc->vc_pos, vc->vc_video_erase_char, 2 * count);
 	if (con_should_update(vc))
-		vc->vc_sw->con_clear(vc, vc->state.y, vc->state.x, 1, count);
+		vc->vc_sw->con_clear(vc, vc->state.y, vc->state.x, count);
 	vc->vc_need_wrap = 0;
 }
 
@@ -3521,7 +3521,7 @@ static int __init con_init(void)
 		vc_cons[currcons].d = vc = kzalloc(sizeof(struct vc_data), GFP_NOWAIT);
 		INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK);
 		tty_port_init(&vc->port);
-		visual_init(vc, currcons, 1);
+		visual_init(vc, currcons, true);
 		/* Assuming vc->vc_{cols,rows,screenbuf_size} are sane here. */
 		vc->vc_screenbuf = kzalloc(vc->vc_screenbuf_size, GFP_NOWAIT);
 		vc_init(vc, vc->vc_rows, vc->vc_cols,
@@ -3692,7 +3692,7 @@ static int do_bind_con_driver(const struct consw *csw, int first, int last,
 		old_was_color = vc->vc_can_do_color;
 		vc->vc_sw->con_deinit(vc);
 		vc->vc_origin = (unsigned long)vc->vc_screenbuf;
-		visual_init(vc, i, 0);
+		visual_init(vc, i, false);
 		set_origin(vc);
 		update_attr(vc);
 
diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c
index 9daa1afbf9db..865a5b289e0a 100644
--- a/drivers/uio/uio_hv_generic.c
+++ b/drivers/uio/uio_hv_generic.c
@@ -249,6 +249,7 @@ hv_uio_probe(struct hv_device *dev,
 	struct hv_uio_private_data *pdata;
 	void *ring_buffer;
 	int ret;
+	size_t ring_size = hv_dev_ring_size(channel);
 
 	/* Communicating with host has to be via shared memory not hypercall */
 	if (!channel->offermsg.monitor_allocated) {
@@ -256,12 +257,17 @@ hv_uio_probe(struct hv_device *dev,
 		return -ENOTSUPP;
 	}
 
+	if (!ring_size)
+		ring_size = HV_RING_SIZE * PAGE_SIZE;
+
+	/* Adjust ring size if necessary to have it page aligned */
+	ring_size = VMBUS_RING_SIZE(ring_size);
+
 	pdata = devm_kzalloc(&dev->device, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata)
 		return -ENOMEM;
 
-	ret = vmbus_alloc_ring(channel, HV_RING_SIZE * PAGE_SIZE,
-			       HV_RING_SIZE * PAGE_SIZE);
+	ret = vmbus_alloc_ring(channel, ring_size, ring_size);
 	if (ret)
 		return ret;
 
diff --git a/drivers/usb/cdns3/cdnsp-ring.c b/drivers/usb/cdns3/cdnsp-ring.c
index 6247584cb939..c9ad4280f4ba 100644
--- a/drivers/usb/cdns3/cdnsp-ring.c
+++ b/drivers/usb/cdns3/cdnsp-ring.c
@@ -772,7 +772,9 @@ static int cdnsp_update_port_id(struct cdnsp_device *pdev, u32 port_id)
 	}
 
 	if (port_id != old_port) {
-		cdnsp_disable_slot(pdev);
+		if (pdev->slot_id)
+			cdnsp_disable_slot(pdev);
+
 		pdev->active_port = port;
 		cdnsp_enable_slot(pdev);
 	}
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index a4be6dba756b..4b5cf1a5e30d 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -92,7 +92,6 @@ struct wdm_device {
 	u16			wMaxCommand;
 	u16			wMaxPacketSize;
 	__le16			inum;
-	int			reslength;
 	int			length;
 	int			read;
 	int			count;
@@ -214,6 +213,11 @@ static void wdm_in_callback(struct urb *urb)
 	if (desc->rerr == 0 && status != -EPIPE)
 		desc->rerr = status;
 
+	if (length == 0) {
+		dev_dbg(&desc->intf->dev, "received ZLP\n");
+		goto skip_zlp;
+	}
+
 	if (length + desc->length > desc->wMaxCommand) {
 		/* The buffer would overflow */
 		set_bit(WDM_OVERFLOW, &desc->flags);
@@ -222,18 +226,18 @@ static void wdm_in_callback(struct urb *urb)
 		if (!test_bit(WDM_OVERFLOW, &desc->flags)) {
 			memmove(desc->ubuf + desc->length, desc->inbuf, length);
 			desc->length += length;
-			desc->reslength = length;
 		}
 	}
 skip_error:
 
 	if (desc->rerr) {
 		/*
-		 * Since there was an error, userspace may decide to not read
-		 * any data after poll'ing.
+		 * If there was a ZLP or an error, userspace may decide to not
+		 * read any data after poll'ing.
 		 * We should respond to further attempts from the device to send
 		 * data, so that we can get unstuck.
 		 */
+skip_zlp:
 		schedule_work(&desc->service_outs_intr);
 	} else {
 		set_bit(WDM_READ, &desc->flags);
@@ -585,15 +589,6 @@ static ssize_t wdm_read
 			goto retry;
 		}
 
-		if (!desc->reslength) { /* zero length read */
-			dev_dbg(&desc->intf->dev, "zero length - clearing WDM_READ\n");
-			clear_bit(WDM_READ, &desc->flags);
-			rv = service_outstanding_interrupt(desc);
-			spin_unlock_irq(&desc->iuspin);
-			if (rv < 0)
-				goto err;
-			goto retry;
-		}
 		cntr = desc->length;
 		spin_unlock_irq(&desc->iuspin);
 	}
@@ -1015,7 +1010,7 @@ static void service_interrupt_work(struct work_struct *work)
 
 	spin_lock_irq(&desc->iuspin);
 	service_outstanding_interrupt(desc);
-	if (!desc->resp_count) {
+	if (!desc->resp_count && (desc->length || desc->rerr)) {
 		set_bit(WDM_READ, &desc->flags);
 		wake_up(&desc->wait);
 	}
diff --git a/drivers/usb/common/usb-conn-gpio.c b/drivers/usb/common/usb-conn-gpio.c
index 521c95935d4c..9691a1c8d8b0 100644
--- a/drivers/usb/common/usb-conn-gpio.c
+++ b/drivers/usb/common/usb-conn-gpio.c
@@ -20,6 +20,9 @@
 #include <linux/power_supply.h>
 #include <linux/regulator/consumer.h>
 #include <linux/usb/role.h>
+#include <linux/idr.h>
+
+static DEFINE_IDA(usb_conn_ida);
 
 #define USB_GPIO_DEB_MS		20	/* ms */
 #define USB_GPIO_DEB_US		((USB_GPIO_DEB_MS) * 1000)	/* us */
@@ -29,6 +32,7 @@
 
 struct usb_conn_info {
 	struct device *dev;
+	int conn_id; /* store the IDA-allocated ID */
 	struct usb_role_switch *role_sw;
 	enum usb_role last_role;
 	struct regulator *vbus;
@@ -160,7 +164,17 @@ static int usb_conn_psy_register(struct usb_conn_info *info)
 		.of_node = dev->of_node,
 	};
 
-	desc->name = "usb-charger";
+	info->conn_id = ida_alloc(&usb_conn_ida, GFP_KERNEL);
+	if (info->conn_id < 0)
+		return info->conn_id;
+
+	desc->name = devm_kasprintf(dev, GFP_KERNEL, "usb-charger-%d",
+				    info->conn_id);
+	if (!desc->name) {
+		ida_free(&usb_conn_ida, info->conn_id);
+		return -ENOMEM;
+	}
+
 	desc->properties = usb_charger_properties;
 	desc->num_properties = ARRAY_SIZE(usb_charger_properties);
 	desc->get_property = usb_charger_get_property;
@@ -168,8 +182,10 @@ static int usb_conn_psy_register(struct usb_conn_info *info)
 	cfg.drv_data = info;
 
 	info->charger = devm_power_supply_register(dev, desc, &cfg);
-	if (IS_ERR(info->charger))
-		dev_err(dev, "Unable to register charger\n");
+	if (IS_ERR(info->charger)) {
+		dev_err(dev, "Unable to register charger %d\n", info->conn_id);
+		ida_free(&usb_conn_ida, info->conn_id);
+	}
 
 	return PTR_ERR_OR_ZERO(info->charger);
 }
@@ -292,6 +308,9 @@ static int usb_conn_remove(struct platform_device *pdev)
 
 	cancel_delayed_work_sync(&info->dw_det);
 
+	if (info->charger)
+		ida_free(&usb_conn_ida, info->conn_id);
+
 	if (info->last_role == USB_ROLE_HOST && info->vbus)
 		regulator_disable(info->vbus);
 
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 0ca390e2a8a7..25d3d7afffc4 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -224,7 +224,8 @@ static const struct usb_device_id usb_quirk_list[] = {
 	{ USB_DEVICE(0x046a, 0x0023), .driver_info = USB_QUIRK_RESET_RESUME },
 
 	/* Logitech HD Webcam C270 */
-	{ USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME },
+	{ USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME |
+		USB_QUIRK_NO_LPM},
 
 	/* Logitech HD Pro Webcams C920, C920-C, C922, C925e and C930e */
 	{ USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT },
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index ec8e003f5941..a16e7ebb7f95 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -750,15 +750,16 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent,
 		dev_set_name(&dev->dev, "usb%d", bus->busnum);
 		root_hub = 1;
 	} else {
+		int n;
+
 		/* match any labeling on the hubs; it's one-based */
 		if (parent->devpath[0] == '0') {
-			snprintf(dev->devpath, sizeof dev->devpath,
-				"%d", port1);
+			n = snprintf(dev->devpath, sizeof(dev->devpath), "%d", port1);
 			/* Root ports are not counted in route string */
 			dev->route = 0;
 		} else {
-			snprintf(dev->devpath, sizeof dev->devpath,
-				"%s.%d", parent->devpath, port1);
+			n = snprintf(dev->devpath, sizeof(dev->devpath), "%s.%d",
+				     parent->devpath, port1);
 			/* Route string assumes hubs have less than 16 ports */
 			if (port1 < 15)
 				dev->route = parent->route +
@@ -767,6 +768,11 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent,
 				dev->route = parent->route +
 					(15 << ((parent->level - 1)*4));
 		}
+		if (n >= sizeof(dev->devpath)) {
+			usb_put_hcd(bus_to_hcd(bus));
+			usb_put_dev(dev);
+			return NULL;
+		}
 
 		dev->dev.parent = &parent->dev;
 		dev_set_name(&dev->dev, "%d-%s", bus->busnum, dev->devpath);
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 7d8523398e19..525d1d0cfc24 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -4602,6 +4602,12 @@ static int dwc2_hsotg_udc_stop(struct usb_gadget *gadget)
 	if (!hsotg)
 		return -ENODEV;
 
+	/* Exit clock gating when driver is stopped. */
+	if (hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_NONE &&
+	    hsotg->bus_suspended && !hsotg->params.no_clock_gating) {
+		dwc2_gadget_exit_clock_gating(hsotg, 0);
+	}
+
 	/* all endpoints should be shutdown */
 	for (ep = 1; ep < hsotg->num_of_eps; ep++) {
 		if (hsotg->eps_in[ep])
diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c
index 934e4b2a049f..de54b0143894 100644
--- a/drivers/usb/gadget/function/f_tcm.c
+++ b/drivers/usb/gadget/function/f_tcm.c
@@ -1321,14 +1321,14 @@ static struct se_portal_group *usbg_make_tpg(struct se_wwn *wwn,
 	struct usbg_tport *tport = container_of(wwn, struct usbg_tport,
 			tport_wwn);
 	struct usbg_tpg *tpg;
-	unsigned long tpgt;
+	u16 tpgt;
 	int ret;
 	struct f_tcm_opts *opts;
 	unsigned i;
 
 	if (strstr(name, "tpgt_") != name)
 		return ERR_PTR(-EINVAL);
-	if (kstrtoul(name + 5, 0, &tpgt) || tpgt > UINT_MAX)
+	if (kstrtou16(name + 5, 0, &tpgt))
 		return ERR_PTR(-EINVAL);
 	ret = -ENODEV;
 	mutex_lock(&tpg_instances_lock);
diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c
index c88293f55c4d..1091f6fd14c9 100644
--- a/drivers/usb/host/xhci-dbgcap.c
+++ b/drivers/usb/host/xhci-dbgcap.c
@@ -639,6 +639,10 @@ static void xhci_dbc_stop(struct xhci_dbc *dbc)
 	case DS_DISABLED:
 		return;
 	case DS_CONFIGURED:
+		spin_lock(&dbc->lock);
+		xhci_dbc_flush_requests(dbc);
+		spin_unlock(&dbc->lock);
+
 		if (dbc->driver->disconnect)
 			dbc->driver->disconnect(dbc);
 		break;
diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c
index 18bcc96853ae..68c01a3f999a 100644
--- a/drivers/usb/host/xhci-dbgtty.c
+++ b/drivers/usb/host/xhci-dbgtty.c
@@ -537,6 +537,7 @@ static int dbc_tty_init(void)
 	dbc_tty_driver->type = TTY_DRIVER_TYPE_SERIAL;
 	dbc_tty_driver->subtype = SERIAL_TYPE_NORMAL;
 	dbc_tty_driver->init_termios = tty_std_termios;
+	dbc_tty_driver->init_termios.c_lflag &= ~ECHO;
 	dbc_tty_driver->init_termios.c_cflag =
 			B9600 | CS8 | CREAD | HUPCL | CLOCAL;
 	dbc_tty_driver->init_termios.c_ispeed = 9600;
diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c
index 97a912f0c4ee..d6725bfde016 100644
--- a/drivers/usb/typec/altmodes/displayport.c
+++ b/drivers/usb/typec/altmodes/displayport.c
@@ -298,6 +298,9 @@ static int dp_altmode_vdm(struct typec_altmode *alt,
 		break;
 	case CMDT_RSP_NAK:
 		switch (cmd) {
+		case DP_CMD_STATUS_UPDATE:
+			dp->state = DP_STATE_EXIT;
+			break;
 		case DP_CMD_CONFIGURE:
 			dp->data.conf = 0;
 			ret = dp_altmode_configured(dp);
@@ -499,7 +502,7 @@ static ssize_t pin_assignment_show(struct device *dev,
 
 	assignments = get_current_pin_assignments(dp);
 
-	for (i = 0; assignments; assignments >>= 1, i++) {
+	for (i = 0; assignments && i < DP_PIN_ASSIGN_MAX; assignments >>= 1, i++) {
 		if (assignments & 1) {
 			if (i == cur)
 				len += sprintf(buf + len, "[%s] ",
diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c
index f1711b2f9ff0..d99e1b3e4e5c 100644
--- a/drivers/video/console/dummycon.c
+++ b/drivers/video/console/dummycon.c
@@ -82,6 +82,15 @@ static int dummycon_blank(struct vc_data *vc, int blank, int mode_switch)
 	/* Redraw, so that we get putc(s) for output done while blanked */
 	return 1;
 }
+
+static bool dummycon_switch(struct vc_data *vc)
+{
+	/*
+	 * Redraw, so that we get putc(s) for output done while switched
+	 * away. Informs deferred consoles to take over the display.
+	 */
+	return true;
+}
 #else
 static void dummycon_putc(struct vc_data *vc, int c, int ypos, int xpos) { }
 static void dummycon_putcs(struct vc_data *vc, const unsigned short *s,
@@ -90,6 +99,10 @@ static int dummycon_blank(struct vc_data *vc, int blank, int mode_switch)
 {
 	return 0;
 }
+static bool dummycon_switch(struct vc_data *vc)
+{
+	return false;
+}
 #endif
 
 static const char *dummycon_startup(void)
@@ -97,7 +110,7 @@ static const char *dummycon_startup(void)
     return "dummy device";
 }
 
-static void dummycon_init(struct vc_data *vc, int init)
+static void dummycon_init(struct vc_data *vc, bool init)
 {
     vc->vc_can_do_color = 1;
     if (init) {
@@ -108,8 +121,8 @@ static void dummycon_init(struct vc_data *vc, int init)
 }
 
 static void dummycon_deinit(struct vc_data *vc) { }
-static void dummycon_clear(struct vc_data *vc, int sy, int sx, int height,
-			   int width) { }
+static void dummycon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
+			   unsigned int width) { }
 static void dummycon_cursor(struct vc_data *vc, int mode) { }
 
 static bool dummycon_scroll(struct vc_data *vc, unsigned int top,
@@ -119,11 +132,6 @@ static bool dummycon_scroll(struct vc_data *vc, unsigned int top,
 	return false;
 }
 
-static int dummycon_switch(struct vc_data *vc)
-{
-	return 0;
-}
-
 /*
  *  The console `switch' structure for the dummy console
  *
diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c
index ef29b321967f..26b41a8f36c8 100644
--- a/drivers/video/console/mdacon.c
+++ b/drivers/video/console/mdacon.c
@@ -352,7 +352,7 @@ static const char *mdacon_startup(void)
 	return "MDA-2";
 }
 
-static void mdacon_init(struct vc_data *c, int init)
+static void mdacon_init(struct vc_data *c, bool init)
 {
 	c->vc_complement_mask = 0x0800;	 /* reverse video */
 	c->vc_display_fg = &mda_display_fg;
@@ -442,26 +442,21 @@ static void mdacon_putcs(struct vc_data *c, const unsigned short *s,
 	}
 }
 
-static void mdacon_clear(struct vc_data *c, int y, int x, 
-			  int height, int width)
+static void mdacon_clear(struct vc_data *c, unsigned int y, unsigned int x,
+			 unsigned int width)
 {
 	u16 *dest = mda_addr(x, y);
 	u16 eattr = mda_convert_attr(c->vc_video_erase_char);
 
-	if (width <= 0 || height <= 0)
+	if (width <= 0)
 		return;
 
-	if (x==0 && width==mda_num_columns) {
-		scr_memsetw(dest, eattr, height*width*2);
-	} else {
-		for (; height > 0; height--, dest+=mda_num_columns)
-			scr_memsetw(dest, eattr, width*2);
-	}
+	scr_memsetw(dest, eattr, width * 2);
 }
-                        
-static int mdacon_switch(struct vc_data *c)
+
+static bool mdacon_switch(struct vc_data *c)
 {
-	return 1;	/* redrawing needed */
+	return true;	/* redrawing needed */
 }
 
 static int mdacon_blank(struct vc_data *c, int blank, int mode_switch)
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index d9c682ae0392..1ebb18bf1098 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -324,7 +324,7 @@ static const char *newport_startup(void)
 	return NULL;
 }
 
-static void newport_init(struct vc_data *vc, int init)
+static void newport_init(struct vc_data *vc, bool init)
 {
 	int cols, rows;
 
@@ -346,12 +346,12 @@ static void newport_deinit(struct vc_data *c)
 	}
 }
 
-static void newport_clear(struct vc_data *vc, int sy, int sx, int height,
-			  int width)
+static void newport_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
+			  unsigned int width)
 {
 	int xend = ((sx + width) << 3) - 1;
 	int ystart = ((sy << 4) + topscan) & 0x3ff;
-	int yend = (((sy + height) << 4) + topscan - 1) & 0x3ff;
+	int yend = (((sy + 1) << 4) + topscan - 1) & 0x3ff;
 
 	if (logo_active)
 		return;
@@ -462,7 +462,7 @@ static void newport_cursor(struct vc_data *vc, int mode)
 	}
 }
 
-static int newport_switch(struct vc_data *vc)
+static bool newport_switch(struct vc_data *vc)
 {
 	static int logo_drawn = 0;
 
@@ -476,7 +476,7 @@ static int newport_switch(struct vc_data *vc)
 		}
 	}
 
-	return 1;
+	return true;
 }
 
 static int newport_blank(struct vc_data *c, int blank, int mode_switch)
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c
index f304163e87e9..6b82194a8ef3 100644
--- a/drivers/video/console/sticon.c
+++ b/drivers/video/console/sticon.c
@@ -272,7 +272,7 @@ static int sticon_font_set(struct vc_data *vc, struct console_font *font,
 	return sticon_set_font(vc, font);
 }
 
-static void sticon_init(struct vc_data *c, int init)
+static void sticon_init(struct vc_data *c, bool init)
 {
     struct sti_struct *sti = sticon_sti;
     int vc_cols, vc_rows;
@@ -299,19 +299,19 @@ static void sticon_deinit(struct vc_data *c)
 	sticon_set_def_font(i, NULL);
 }
 
-static void sticon_clear(struct vc_data *conp, int sy, int sx, int height,
-			 int width)
+static void sticon_clear(struct vc_data *conp, unsigned int sy, unsigned int sx,
+			 unsigned int width)
 {
-    if (!height || !width)
+    if (!width)
 	return;
 
-    sti_clear(sticon_sti, sy, sx, height, width,
+    sti_clear(sticon_sti, sy, sx, 1, width,
 	      conp->vc_video_erase_char, font_data[conp->vc_num]);
 }
 
-static int sticon_switch(struct vc_data *conp)
+static bool sticon_switch(struct vc_data *conp)
 {
-    return 1;	/* needs refreshing */
+    return true;	/* needs refreshing */
 }
 
 static int sticon_blank(struct vc_data *c, int blank, int mode_switch)
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 63a6944ebb19..448aede31b94 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -65,17 +65,9 @@ static struct vgastate vgastate;
  *  Interface used by the world
  */
 
-static const char *vgacon_startup(void);
-static void vgacon_init(struct vc_data *c, int init);
-static void vgacon_deinit(struct vc_data *c);
-static void vgacon_cursor(struct vc_data *c, int mode);
-static int vgacon_switch(struct vc_data *c);
-static int vgacon_blank(struct vc_data *c, int blank, int mode_switch);
-static void vgacon_scrolldelta(struct vc_data *c, int lines);
 static int vgacon_set_origin(struct vc_data *c);
-static void vgacon_save_screen(struct vc_data *c);
-static void vgacon_invert_region(struct vc_data *c, u16 * p, int count);
-static struct uni_pagedir *vgacon_uni_pagedir;
+
+static struct uni_pagedict *vgacon_uni_pagedir;
 static int vgacon_refcount;
 
 /* Description of the hardware situation */
@@ -163,12 +155,6 @@ static inline void vga_set_mem_top(struct vc_data *c)
 	write_vga(12, (c->vc_visible_origin - vga_vram_base) / 2);
 }
 
-static void vgacon_restore_screen(struct vc_data *c)
-{
-	if (c->vc_origin != c->vc_visible_origin)
-		vgacon_scrolldelta(c, 0);
-}
-
 static void vgacon_scrolldelta(struct vc_data *c, int lines)
 {
 	vc_scrolldelta_helper(c, lines, vga_rolled_over, (void *)vga_vram_base,
@@ -176,6 +162,12 @@ static void vgacon_scrolldelta(struct vc_data *c, int lines)
 	vga_set_mem_top(c);
 }
 
+static void vgacon_restore_screen(struct vc_data *c)
+{
+	if (c->vc_origin != c->vc_visible_origin)
+		vgacon_scrolldelta(c, 0);
+}
+
 static const char *vgacon_startup(void)
 {
 	const char *display_desc = NULL;
@@ -361,9 +353,9 @@ static const char *vgacon_startup(void)
 	return display_desc;
 }
 
-static void vgacon_init(struct vc_data *c, int init)
+static void vgacon_init(struct vc_data *c, bool init)
 {
-	struct uni_pagedir *p;
+	struct uni_pagedict *p;
 
 	/*
 	 * We cannot be loaded as a module, therefore init will be 1
@@ -378,7 +370,7 @@ static void vgacon_init(struct vc_data *c, int init)
 	c->vc_scan_lines = vga_scan_lines;
 	c->vc_font.height = c->vc_cell_height = vga_video_font_height;
 
-	/* set dimensions manually if init != 0 since vc_resize() will fail */
+	/* set dimensions manually if init is true since vc_resize() will fail */
 	if (init) {
 		c->vc_cols = vga_video_num_columns;
 		c->vc_rows = vga_video_num_lines;
@@ -624,7 +616,7 @@ static int vgacon_doresize(struct vc_data *c,
 	return 0;
 }
 
-static int vgacon_switch(struct vc_data *c)
+static bool vgacon_switch(struct vc_data *c)
 {
 	int x = c->vc_cols * VGA_FONTWIDTH;
 	int y = c->vc_rows * c->vc_cell_height;
@@ -653,7 +645,7 @@ static int vgacon_switch(struct vc_data *c)
 			vgacon_doresize(c, c->vc_cols, c->vc_rows);
 	}
 
-	return 0;		/* Redrawing not needed */
+	return false;		/* Redrawing not needed */
 }
 
 static void vga_set_palette(struct vc_data *vc, const unsigned char *table)
@@ -1195,8 +1187,8 @@ static bool vgacon_scroll(struct vc_data *c, unsigned int t, unsigned int b,
  *  The console `switch' structure for the VGA based console
  */
 
-static void vgacon_clear(struct vc_data *vc, int sy, int sx, int height,
-			 int width) { }
+static void vgacon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
+			 unsigned int width) { }
 static void vgacon_putc(struct vc_data *vc, int c, int ypos, int xpos) { }
 static void vgacon_putcs(struct vc_data *vc, const unsigned short *s,
 			 int count, int ypos, int xpos) { }
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 805a4745abd8..0e68fc85ea63 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -163,29 +163,14 @@ static int fbcon_cursor_noblink;
  *  Interface used by the world
  */
 
-static const char *fbcon_startup(void);
-static void fbcon_init(struct vc_data *vc, int init);
-static void fbcon_deinit(struct vc_data *vc);
-static void fbcon_clear(struct vc_data *vc, int sy, int sx, int height,
-			int width);
-static void fbcon_putc(struct vc_data *vc, int c, int ypos, int xpos);
-static void fbcon_putcs(struct vc_data *vc, const unsigned short *s,
-			int count, int ypos, int xpos);
 static void fbcon_clear_margins(struct vc_data *vc, int bottom_only);
-static void fbcon_cursor(struct vc_data *vc, int mode);
 static void fbcon_bmove(struct vc_data *vc, int sy, int sx, int dy, int dx,
 			int height, int width);
-static int fbcon_switch(struct vc_data *vc);
-static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch);
 static void fbcon_set_palette(struct vc_data *vc, const unsigned char *table);
 
 /*
  *  Internal routines
  */
-static __inline__ void ywrap_up(struct vc_data *vc, int count);
-static __inline__ void ywrap_down(struct vc_data *vc, int count);
-static __inline__ void ypan_up(struct vc_data *vc, int count);
-static __inline__ void ypan_down(struct vc_data *vc, int count);
 static void fbcon_bmove_rec(struct vc_data *vc, struct fbcon_display *p, int sy, int sx,
 			    int dy, int dx, int height, int width, u_int y_break);
 static void fbcon_set_disp(struct fb_info *info, struct fb_var_screeninfo *var,
@@ -194,8 +179,8 @@ static void fbcon_redraw_move(struct vc_data *vc, struct fbcon_display *p,
 			      int line, int count, int dy);
 static void fbcon_modechanged(struct fb_info *info);
 static void fbcon_set_all_vcs(struct fb_info *info);
-static void fbcon_start(void);
 static void fbcon_exit(void);
+
 static struct device *fbcon_device;
 
 #ifdef CONFIG_FRAMEBUFFER_CONSOLE_ROTATION
@@ -1017,7 +1002,7 @@ static const char *fbcon_startup(void)
 	return display_desc;
 }
 
-static void fbcon_init(struct vc_data *vc, int init)
+static void fbcon_init(struct vc_data *vc, bool init)
 {
 	struct fb_info *info;
 	struct fbcon_ops *ops;
@@ -1244,8 +1229,8 @@ static void fbcon_deinit(struct vc_data *vc)
  *  restriction is simplicity & efficiency at the moment.
  */
 
-static void fbcon_clear(struct vc_data *vc, int sy, int sx, int height,
-			int width)
+static void __fbcon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
+			  unsigned int height, unsigned int width)
 {
 	struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
 	struct fbcon_ops *ops = info->fbcon_par;
@@ -1284,6 +1269,12 @@ static void fbcon_clear(struct vc_data *vc, int sy, int sx, int height,
 		ops->clear(vc, info, real_y(p, sy), sx, height, width, fg, bg);
 }
 
+static void fbcon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
+			unsigned int width)
+{
+	__fbcon_clear(vc, sy, sx, 1, width);
+}
+
 static void fbcon_putcs(struct vc_data *vc, const unsigned short *s,
 			int count, int ypos, int xpos)
 {
@@ -1707,7 +1698,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
 		case SCROLL_MOVE:
 			fbcon_redraw_blit(vc, info, p, t, b - t - count,
 				     count);
-			fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
+			__fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
 			scr_memsetw((unsigned short *) (vc->vc_origin +
 							vc->vc_size_row *
 							(b - count)),
@@ -1730,7 +1721,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
 					    b - t - count, vc->vc_cols);
 			else
 				goto redraw_up;
-			fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
+			__fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
 			break;
 
 		case SCROLL_PAN_REDRAW:
@@ -1748,7 +1739,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
 							  vc->vc_rows - b, b);
 			} else
 				fbcon_redraw_move(vc, p, t + count, b - t - count, t);
-			fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
+			__fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
 			break;
 
 		case SCROLL_PAN_MOVE:
@@ -1771,14 +1762,14 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
 					    b - t - count, vc->vc_cols);
 			else
 				goto redraw_up;
-			fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
+			__fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
 			break;
 
 		case SCROLL_REDRAW:
 		      redraw_up:
 			fbcon_redraw(vc, p, t, b - t - count,
 				     count * vc->vc_cols);
-			fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
+			__fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
 			scr_memsetw((unsigned short *) (vc->vc_origin +
 							vc->vc_size_row *
 							(b - count)),
@@ -1795,7 +1786,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
 		case SCROLL_MOVE:
 			fbcon_redraw_blit(vc, info, p, b - 1, b - t - count,
 				     -count);
-			fbcon_clear(vc, t, 0, count, vc->vc_cols);
+			__fbcon_clear(vc, t, 0, count, vc->vc_cols);
 			scr_memsetw((unsigned short *) (vc->vc_origin +
 							vc->vc_size_row *
 							t),
@@ -1818,7 +1809,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
 					    b - t - count, vc->vc_cols);
 			else
 				goto redraw_down;
-			fbcon_clear(vc, t, 0, count, vc->vc_cols);
+			__fbcon_clear(vc, t, 0, count, vc->vc_cols);
 			break;
 
 		case SCROLL_PAN_MOVE:
@@ -1840,7 +1831,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
 					    b - t - count, vc->vc_cols);
 			else
 				goto redraw_down;
-			fbcon_clear(vc, t, 0, count, vc->vc_cols);
+			__fbcon_clear(vc, t, 0, count, vc->vc_cols);
 			break;
 
 		case SCROLL_PAN_REDRAW:
@@ -1857,14 +1848,14 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
 					fbcon_redraw_move(vc, p, count, t, 0);
 			} else
 				fbcon_redraw_move(vc, p, t, b - t - count, t + count);
-			fbcon_clear(vc, t, 0, count, vc->vc_cols);
+			__fbcon_clear(vc, t, 0, count, vc->vc_cols);
 			break;
 
 		case SCROLL_REDRAW:
 		      redraw_down:
 			fbcon_redraw(vc, p, b - 1, b - t - count,
 				     -count * vc->vc_cols);
-			fbcon_clear(vc, t, 0, count, vc->vc_cols);
+			__fbcon_clear(vc, t, 0, count, vc->vc_cols);
 			scr_memsetw((unsigned short *) (vc->vc_origin +
 							vc->vc_size_row *
 							t),
@@ -2071,7 +2062,7 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width,
 	return 0;
 }
 
-static int fbcon_switch(struct vc_data *vc)
+static bool fbcon_switch(struct vc_data *vc)
 {
 	struct fb_info *info, *old_info = NULL;
 	struct fbcon_ops *ops;
@@ -2194,9 +2185,9 @@ static int fbcon_switch(struct vc_data *vc)
 			      vc->vc_origin + vc->vc_size_row * vc->vc_top,
 			      vc->vc_size_row * (vc->vc_bottom -
 						 vc->vc_top) / 2);
-		return 0;
+		return false;
 	}
-	return 1;
+	return true;
 }
 
 static void fbcon_generic_blank(struct vc_data *vc, struct fb_info *info,
@@ -2209,7 +2200,7 @@ static void fbcon_generic_blank(struct vc_data *vc, struct fb_info *info,
 
 		oldc = vc->vc_video_erase_char;
 		vc->vc_video_erase_char &= charmask;
-		fbcon_clear(vc, 0, 0, vc->vc_rows, vc->vc_cols);
+		__fbcon_clear(vc, 0, 0, vc->vc_rows, vc->vc_cols);
 		vc->vc_video_erase_char = oldc;
 	}
 }
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index d6e43c94436d..e3e5bd4fb477 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3197,8 +3197,23 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent)
 			unwritten_start += logical_len;
 		clear_extent_uptodate(io_tree, unwritten_start, end, NULL);
 
-		/* Drop the cache for the part of the extent we didn't write. */
-		btrfs_drop_extent_cache(inode, unwritten_start, end, 0);
+		/*
+		 * Drop extent maps for the part of the extent we didn't write.
+		 *
+		 * We have an exception here for the free_space_inode, this is
+		 * because when we do btrfs_get_extent() on the free space inode
+		 * we will search the commit root.  If this is a new block group
+		 * we won't find anything, and we will trip over the assert in
+		 * writepage where we do ASSERT(em->block_start !=
+		 * EXTENT_MAP_HOLE).
+		 *
+		 * Theoretically we could also skip this for any NOCOW extent as
+		 * we don't mess with the extent map tree in the NOCOW case, but
+		 * for now simply skip this if we are the free space inode.
+		 */
+		if (!btrfs_is_free_space_inode(inode))
+			btrfs_drop_extent_cache(inode, unwritten_start,
+						    end, 0);
 
 		/*
 		 * If the ordered extent had an IOERR or something else went
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index dcf0dd2093f5..7049a19e07ba 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -1066,7 +1066,9 @@ static inline int __add_inode_ref(struct btrfs_trans_handle *trans,
 	search_key.type = BTRFS_INODE_REF_KEY;
 	search_key.offset = parent_objectid;
 	ret = btrfs_search_slot(NULL, root, &search_key, path, 0, 0);
-	if (ret == 0) {
+	if (ret < 0) {
+		return ret;
+	} else if (ret == 0) {
 		struct btrfs_inode_ref *victim_ref;
 		unsigned long ptr;
 		unsigned long ptr_end;
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index c0fcac0a1b8e..316f099a0bcf 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -3197,6 +3197,12 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans, u64 chunk_offset)
 					device->bytes_used - dev_extent_len);
 			atomic64_add(dev_extent_len, &fs_info->free_chunk_space);
 			btrfs_clear_space_info_full(fs_info);
+
+			if (list_empty(&device->post_commit_list)) {
+				list_add_tail(&device->post_commit_list,
+					      &trans->transaction->dev_update_list);
+			}
+
 			mutex_unlock(&fs_info->chunk_mutex);
 		}
 	}
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index f3fba3d27efa..e92a10ba58b3 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -2032,7 +2032,7 @@ static int ceph_zero_objects(struct inode *inode, loff_t offset, loff_t length)
 	s32 stripe_unit = ci->i_layout.stripe_unit;
 	s32 stripe_count = ci->i_layout.stripe_count;
 	s32 object_size = ci->i_layout.object_size;
-	u64 object_set_size = object_size * stripe_count;
+	u64 object_set_size = (u64) object_size * stripe_count;
 	u64 nearly, t;
 
 	/* round offset up to next period boundary */
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 33328eae03d7..a3d37e7769e6 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -297,6 +297,14 @@ check_smb_hdr(struct smb_hdr *smb)
 	if (smb->Command == SMB_COM_LOCKING_ANDX)
 		return 0;
 
+	/*
+	 * Windows NT server returns error resposne (e.g. STATUS_DELETE_PENDING
+	 * or STATUS_OBJECT_NAME_NOT_FOUND or ERRDOS/ERRbadfile or any other)
+	 * for some TRANS2 requests without the RESPONSE flag set in header.
+	 */
+	if (smb->Command == SMB_COM_TRANSACTION2 && smb->Status.CifsError != 0)
+		return 0;
+
 	cifs_dbg(VFS, "Server sent request, not response. mid=%u\n",
 		 get_mid(smb));
 	return 1;
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 194d3f93ac5f..b9da3074a1af 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1737,26 +1737,32 @@ static int f2fs_statfs_project(struct super_block *sb,
 
 	limit = min_not_zero(dquot->dq_dqb.dqb_bsoftlimit,
 					dquot->dq_dqb.dqb_bhardlimit);
-	if (limit)
-		limit >>= sb->s_blocksize_bits;
+	limit >>= sb->s_blocksize_bits;
+
+	if (limit) {
+		uint64_t remaining = 0;
 
-	if (limit && buf->f_blocks > limit) {
 		curblock = (dquot->dq_dqb.dqb_curspace +
 			    dquot->dq_dqb.dqb_rsvspace) >> sb->s_blocksize_bits;
-		buf->f_blocks = limit;
-		buf->f_bfree = buf->f_bavail =
-			(buf->f_blocks > curblock) ?
-			 (buf->f_blocks - curblock) : 0;
+		if (limit > curblock)
+			remaining = limit - curblock;
+
+		buf->f_blocks = min(buf->f_blocks, limit);
+		buf->f_bfree = min(buf->f_bfree, remaining);
+		buf->f_bavail = min(buf->f_bavail, remaining);
 	}
 
 	limit = min_not_zero(dquot->dq_dqb.dqb_isoftlimit,
 					dquot->dq_dqb.dqb_ihardlimit);
 
-	if (limit && buf->f_files > limit) {
-		buf->f_files = limit;
-		buf->f_ffree =
-			(buf->f_files > dquot->dq_dqb.dqb_curinodes) ?
-			 (buf->f_files - dquot->dq_dqb.dqb_curinodes) : 0;
+	if (limit) {
+		uint64_t remaining = 0;
+
+		if (limit > dquot->dq_dqb.dqb_curinodes)
+			remaining = limit - dquot->dq_dqb.dqb_curinodes;
+
+		buf->f_files = min(buf->f_files, limit);
+		buf->f_ffree = min(buf->f_ffree, remaining);
 	}
 
 	spin_unlock(&dquot->dq_dqb_lock);
diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c
index 65a94b012174..cfb81bf5881e 100644
--- a/fs/jfs/jfs_dmap.c
+++ b/fs/jfs/jfs_dmap.c
@@ -178,45 +178,30 @@ int dbMount(struct inode *ipbmap)
 	dbmp_le = (struct dbmap_disk *) mp->data;
 	bmp->db_mapsize = le64_to_cpu(dbmp_le->dn_mapsize);
 	bmp->db_nfree = le64_to_cpu(dbmp_le->dn_nfree);
-
 	bmp->db_l2nbperpage = le32_to_cpu(dbmp_le->dn_l2nbperpage);
-	if (bmp->db_l2nbperpage > L2PSIZE - L2MINBLOCKSIZE ||
-		bmp->db_l2nbperpage < 0) {
-		err = -EINVAL;
-		goto err_release_metapage;
-	}
-
 	bmp->db_numag = le32_to_cpu(dbmp_le->dn_numag);
-	if (!bmp->db_numag || bmp->db_numag > MAXAG) {
-		err = -EINVAL;
-		goto err_release_metapage;
-	}
-
 	bmp->db_maxlevel = le32_to_cpu(dbmp_le->dn_maxlevel);
 	bmp->db_maxag = le32_to_cpu(dbmp_le->dn_maxag);
 	bmp->db_agpref = le32_to_cpu(dbmp_le->dn_agpref);
-	if (bmp->db_maxag >= MAXAG || bmp->db_maxag < 0 ||
-		bmp->db_agpref >= MAXAG || bmp->db_agpref < 0) {
-		err = -EINVAL;
-		goto err_release_metapage;
-	}
-
 	bmp->db_aglevel = le32_to_cpu(dbmp_le->dn_aglevel);
 	bmp->db_agheight = le32_to_cpu(dbmp_le->dn_agheight);
 	bmp->db_agwidth = le32_to_cpu(dbmp_le->dn_agwidth);
-	if (!bmp->db_agwidth) {
-		err = -EINVAL;
-		goto err_release_metapage;
-	}
 	bmp->db_agstart = le32_to_cpu(dbmp_le->dn_agstart);
 	bmp->db_agl2size = le32_to_cpu(dbmp_le->dn_agl2size);
-	if (bmp->db_agl2size > L2MAXL2SIZE - L2MAXAG ||
-	    bmp->db_agl2size < 0) {
-		err = -EINVAL;
-		goto err_release_metapage;
-	}
 
-	if (((bmp->db_mapsize - 1) >> bmp->db_agl2size) > MAXAG) {
+	if ((bmp->db_l2nbperpage > L2PSIZE - L2MINBLOCKSIZE) ||
+	    (bmp->db_l2nbperpage < 0) ||
+	    !bmp->db_numag || (bmp->db_numag > MAXAG) ||
+	    (bmp->db_maxag >= MAXAG) || (bmp->db_maxag < 0) ||
+	    (bmp->db_agpref >= MAXAG) || (bmp->db_agpref < 0) ||
+	    (bmp->db_agheight < 0) || (bmp->db_agheight > (L2LPERCTL >> 1)) ||
+	    (bmp->db_agwidth < 1) || (bmp->db_agwidth > (LPERCTL / MAXAG)) ||
+	    (bmp->db_agwidth > (1 << (L2LPERCTL - (bmp->db_agheight << 1)))) ||
+	    (bmp->db_agstart < 0) ||
+	    (bmp->db_agstart > (CTLTREESIZE - 1 - bmp->db_agwidth * (MAXAG - 1))) ||
+	    (bmp->db_agl2size > L2MAXL2SIZE - L2MAXAG) ||
+	    (bmp->db_agl2size < 0) ||
+	    ((bmp->db_mapsize - 1) >> bmp->db_agl2size) > MAXAG) {
 		err = -EINVAL;
 		goto err_release_metapage;
 	}
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index b21601c0a457..76334a983cd2 100644
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -2679,7 +2679,7 @@ int smb2_open(struct ksmbd_work *work)
 	int req_op_level = 0, open_flags = 0, may_flags = 0, file_info = 0;
 	int rc = 0;
 	int contxt_cnt = 0, query_disk_id = 0;
-	int maximal_access_ctxt = 0, posix_ctxt = 0;
+	bool maximal_access_ctxt = false, posix_ctxt = false;
 	int s_type = 0;
 	int next_off = 0;
 	char *name = NULL;
@@ -2706,6 +2706,27 @@ int smb2_open(struct ksmbd_work *work)
 		return create_smb2_pipe(work);
 	}
 
+	if (req->CreateContextsOffset && tcon->posix_extensions) {
+		context = smb2_find_context_vals(req, SMB2_CREATE_TAG_POSIX, 16);
+		if (IS_ERR(context)) {
+			rc = PTR_ERR(context);
+			goto err_out2;
+		} else if (context) {
+			struct create_posix *posix = (struct create_posix *)context;
+
+			if (le16_to_cpu(context->DataOffset) +
+				le32_to_cpu(context->DataLength) <
+			    sizeof(struct create_posix) - 4) {
+				rc = -EINVAL;
+				goto err_out2;
+			}
+			ksmbd_debug(SMB, "get posix context\n");
+
+			posix_mode = le32_to_cpu(posix->Mode);
+			posix_ctxt = true;
+		}
+	}
+
 	if (req->NameLength) {
 		if ((req->CreateOptions & FILE_DIRECTORY_FILE_LE) &&
 		    *(char *)req->Buffer == '\\') {
@@ -2737,9 +2758,11 @@ int smb2_open(struct ksmbd_work *work)
 				goto err_out2;
 		}
 
-		rc = ksmbd_validate_filename(name);
-		if (rc < 0)
-			goto err_out2;
+		if (posix_ctxt == false) {
+			rc = ksmbd_validate_filename(name);
+			if (rc < 0)
+				goto err_out2;
+		}
 
 		if (ksmbd_share_veto_filename(share, name)) {
 			rc = -ENOENT;
@@ -2854,28 +2877,6 @@ int smb2_open(struct ksmbd_work *work)
 			rc = -EBADF;
 			goto err_out2;
 		}
-
-		if (tcon->posix_extensions) {
-			context = smb2_find_context_vals(req,
-							 SMB2_CREATE_TAG_POSIX, 16);
-			if (IS_ERR(context)) {
-				rc = PTR_ERR(context);
-				goto err_out2;
-			} else if (context) {
-				struct create_posix *posix =
-					(struct create_posix *)context;
-				if (le16_to_cpu(context->DataOffset) +
-				    le32_to_cpu(context->DataLength) <
-				    sizeof(struct create_posix) - 4) {
-					rc = -EINVAL;
-					goto err_out2;
-				}
-				ksmbd_debug(SMB, "get posix context\n");
-
-				posix_mode = le32_to_cpu(posix->Mode);
-				posix_ctxt = 1;
-			}
-		}
 	}
 
 	if (ksmbd_override_fsids(work)) {
diff --git a/fs/namespace.c b/fs/namespace.c
index 900738eab33f..adb966833a4b 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2205,14 +2205,14 @@ static int attach_recursive_mnt(struct mount *source_mnt,
 	hlist_for_each_entry_safe(child, n, &tree_list, mnt_hash) {
 		struct mount *q;
 		hlist_del_init(&child->mnt_hash);
-		q = __lookup_mnt(&child->mnt_parent->mnt,
-				 child->mnt_mountpoint);
-		if (q)
-			mnt_change_mountpoint(child, smp, q);
 		/* Notice when we are propagating across user namespaces */
 		if (child->mnt_parent->mnt_ns->user_ns != user_ns)
 			lock_mnt_tree(child);
 		child->mnt.mnt_flags &= ~MNT_LOCKED;
+		q = __lookup_mnt(&child->mnt_parent->mnt,
+				 child->mnt_mountpoint);
+		if (q)
+			mnt_change_mountpoint(child, smp, q);
 		commit_tree(child);
 	}
 	put_mountpoint(smp);
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index a55eec241657..7a568d2de472 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -1099,6 +1099,7 @@ static void ff_layout_reset_read(struct nfs_pgio_header *hdr)
 }
 
 static int ff_layout_async_handle_error_v4(struct rpc_task *task,
+					   u32 op_status,
 					   struct nfs4_state *state,
 					   struct nfs_client *clp,
 					   struct pnfs_layout_segment *lseg,
@@ -1109,32 +1110,42 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
 	struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);
 	struct nfs4_slot_table *tbl = &clp->cl_session->fc_slot_table;
 
-	switch (task->tk_status) {
-	case -NFS4ERR_BADSESSION:
-	case -NFS4ERR_BADSLOT:
-	case -NFS4ERR_BAD_HIGH_SLOT:
-	case -NFS4ERR_DEADSESSION:
-	case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
-	case -NFS4ERR_SEQ_FALSE_RETRY:
-	case -NFS4ERR_SEQ_MISORDERED:
+	switch (op_status) {
+	case NFS4_OK:
+	case NFS4ERR_NXIO:
+		break;
+	case NFSERR_PERM:
+		if (!task->tk_xprt)
+			break;
+		xprt_force_disconnect(task->tk_xprt);
+		goto out_retry;
+	case NFS4ERR_BADSESSION:
+	case NFS4ERR_BADSLOT:
+	case NFS4ERR_BAD_HIGH_SLOT:
+	case NFS4ERR_DEADSESSION:
+	case NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
+	case NFS4ERR_SEQ_FALSE_RETRY:
+	case NFS4ERR_SEQ_MISORDERED:
 		dprintk("%s ERROR %d, Reset session. Exchangeid "
 			"flags 0x%x\n", __func__, task->tk_status,
 			clp->cl_exchange_flags);
 		nfs4_schedule_session_recovery(clp->cl_session, task->tk_status);
-		break;
-	case -NFS4ERR_DELAY:
-	case -NFS4ERR_GRACE:
+		goto out_retry;
+	case NFS4ERR_DELAY:
+		nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY);
+		fallthrough;
+	case NFS4ERR_GRACE:
 		rpc_delay(task, FF_LAYOUT_POLL_RETRY_MAX);
-		break;
-	case -NFS4ERR_RETRY_UNCACHED_REP:
-		break;
+		goto out_retry;
+	case NFS4ERR_RETRY_UNCACHED_REP:
+		goto out_retry;
 	/* Invalidate Layout errors */
-	case -NFS4ERR_PNFS_NO_LAYOUT:
-	case -ESTALE:           /* mapped NFS4ERR_STALE */
-	case -EBADHANDLE:       /* mapped NFS4ERR_BADHANDLE */
-	case -EISDIR:           /* mapped NFS4ERR_ISDIR */
-	case -NFS4ERR_FHEXPIRED:
-	case -NFS4ERR_WRONG_TYPE:
+	case NFS4ERR_PNFS_NO_LAYOUT:
+	case NFS4ERR_STALE:
+	case NFS4ERR_BADHANDLE:
+	case NFS4ERR_ISDIR:
+	case NFS4ERR_FHEXPIRED:
+	case NFS4ERR_WRONG_TYPE:
 		dprintk("%s Invalid layout error %d\n", __func__,
 			task->tk_status);
 		/*
@@ -1147,6 +1158,11 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
 		pnfs_destroy_layout(NFS_I(inode));
 		rpc_wake_up(&tbl->slot_tbl_waitq);
 		goto reset;
+	default:
+		break;
+	}
+
+	switch (task->tk_status) {
 	/* RPC connection errors */
 	case -ECONNREFUSED:
 	case -EHOSTDOWN:
@@ -1162,26 +1178,56 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
 		nfs4_delete_deviceid(devid->ld, devid->nfs_client,
 				&devid->deviceid);
 		rpc_wake_up(&tbl->slot_tbl_waitq);
-		fallthrough;
+		break;
 	default:
-		if (ff_layout_avoid_mds_available_ds(lseg))
-			return -NFS4ERR_RESET_TO_PNFS;
-reset:
-		dprintk("%s Retry through MDS. Error %d\n", __func__,
-			task->tk_status);
-		return -NFS4ERR_RESET_TO_MDS;
+		break;
 	}
+
+	if (ff_layout_avoid_mds_available_ds(lseg))
+		return -NFS4ERR_RESET_TO_PNFS;
+reset:
+	dprintk("%s Retry through MDS. Error %d\n", __func__,
+		task->tk_status);
+	return -NFS4ERR_RESET_TO_MDS;
+
+out_retry:
 	task->tk_status = 0;
 	return -EAGAIN;
 }
 
 /* Retry all errors through either pNFS or MDS except for -EJUKEBOX */
 static int ff_layout_async_handle_error_v3(struct rpc_task *task,
+					   u32 op_status,
+					   struct nfs_client *clp,
 					   struct pnfs_layout_segment *lseg,
 					   u32 idx)
 {
 	struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);
 
+	switch (op_status) {
+	case NFS_OK:
+	case NFSERR_NXIO:
+		break;
+	case NFSERR_PERM:
+		if (!task->tk_xprt)
+			break;
+		xprt_force_disconnect(task->tk_xprt);
+		goto out_retry;
+	case NFSERR_ACCES:
+	case NFSERR_BADHANDLE:
+	case NFSERR_FBIG:
+	case NFSERR_IO:
+	case NFSERR_NOSPC:
+	case NFSERR_ROFS:
+	case NFSERR_STALE:
+		goto out_reset_to_pnfs;
+	case NFSERR_JUKEBOX:
+		nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY);
+		goto out_retry;
+	default:
+		break;
+	}
+
 	switch (task->tk_status) {
 	/* File access problems. Don't mark the device as unavailable */
 	case -EACCES:
@@ -1200,6 +1246,7 @@ static int ff_layout_async_handle_error_v3(struct rpc_task *task,
 		nfs4_delete_deviceid(devid->ld, devid->nfs_client,
 				&devid->deviceid);
 	}
+out_reset_to_pnfs:
 	/* FIXME: Need to prevent infinite looping here. */
 	return -NFS4ERR_RESET_TO_PNFS;
 out_retry:
@@ -1210,6 +1257,7 @@ static int ff_layout_async_handle_error_v3(struct rpc_task *task,
 }
 
 static int ff_layout_async_handle_error(struct rpc_task *task,
+					u32 op_status,
 					struct nfs4_state *state,
 					struct nfs_client *clp,
 					struct pnfs_layout_segment *lseg,
@@ -1228,10 +1276,11 @@ static int ff_layout_async_handle_error(struct rpc_task *task,
 
 	switch (vers) {
 	case 3:
-		return ff_layout_async_handle_error_v3(task, lseg, idx);
-	case 4:
-		return ff_layout_async_handle_error_v4(task, state, clp,
+		return ff_layout_async_handle_error_v3(task, op_status, clp,
 						       lseg, idx);
+	case 4:
+		return ff_layout_async_handle_error_v4(task, op_status, state,
+						       clp, lseg, idx);
 	default:
 		/* should never happen */
 		WARN_ON_ONCE(1);
@@ -1284,6 +1333,7 @@ static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg,
 	switch (status) {
 	case NFS4ERR_DELAY:
 	case NFS4ERR_GRACE:
+	case NFS4ERR_PERM:
 		break;
 	case NFS4ERR_NXIO:
 		ff_layout_mark_ds_unreachable(lseg, idx);
@@ -1316,7 +1366,8 @@ static int ff_layout_read_done_cb(struct rpc_task *task,
 		trace_ff_layout_read_error(hdr);
 	}
 
-	err = ff_layout_async_handle_error(task, hdr->args.context->state,
+	err = ff_layout_async_handle_error(task, hdr->res.op_status,
+					   hdr->args.context->state,
 					   hdr->ds_clp, hdr->lseg,
 					   hdr->pgio_mirror_idx);
 
@@ -1483,7 +1534,8 @@ static int ff_layout_write_done_cb(struct rpc_task *task,
 		trace_ff_layout_write_error(hdr);
 	}
 
-	err = ff_layout_async_handle_error(task, hdr->args.context->state,
+	err = ff_layout_async_handle_error(task, hdr->res.op_status,
+					   hdr->args.context->state,
 					   hdr->ds_clp, hdr->lseg,
 					   hdr->pgio_mirror_idx);
 
@@ -1529,8 +1581,9 @@ static int ff_layout_commit_done_cb(struct rpc_task *task,
 		trace_ff_layout_commit_error(data);
 	}
 
-	err = ff_layout_async_handle_error(task, NULL, data->ds_clp,
-					   data->lseg, data->ds_commit_index);
+	err = ff_layout_async_handle_error(task, data->res.op_status,
+					   NULL, data->ds_clp, data->lseg,
+					   data->ds_commit_index);
 
 	trace_nfs4_pnfs_commit_ds(data, err);
 	switch (err) {
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 09922258f5a1..a8ac939edcf7 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -567,6 +567,8 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st
 			set_nlink(inode, fattr->nlink);
 		else if (fattr_supported & NFS_ATTR_FATTR_NLINK)
 			nfs_set_cache_invalid(inode, NFS_INO_INVALID_NLINK);
+		else
+			set_nlink(inode, 1);
 		if (fattr->valid & NFS_ATTR_FATTR_OWNER)
 			inode->i_uid = fattr->uid;
 		else if (fattr_supported & NFS_ATTR_FATTR_OWNER)
@@ -2455,15 +2457,26 @@ EXPORT_SYMBOL_GPL(nfs_net_id);
 static int nfs_net_init(struct net *net)
 {
 	struct nfs_net *nn = net_generic(net, nfs_net_id);
+	int err;
 
 	nfs_clients_init(net);
 
 	if (!rpc_proc_register(net, &nn->rpcstats)) {
-		nfs_clients_exit(net);
-		return -ENOMEM;
+		err = -ENOMEM;
+		goto err_proc_rpc;
 	}
 
-	return nfs_fs_proc_net_init(net);
+	err = nfs_fs_proc_net_init(net);
+	if (err)
+		goto err_proc_nfs;
+
+	return 0;
+
+err_proc_nfs:
+	rpc_proc_unregister(net, "nfs");
+err_proc_rpc:
+	nfs_clients_exit(net);
+	return err;
 }
 
 static void nfs_net_exit(struct net *net)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index e4b3f25bb8e4..9d4e4146efef 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -10528,7 +10528,7 @@ const struct nfs4_minor_version_ops *nfs_v4_minor_ops[] = {
 
 static ssize_t nfs4_listxattr(struct dentry *dentry, char *list, size_t size)
 {
-	ssize_t error, error2, error3;
+	ssize_t error, error2, error3, error4;
 	size_t left = size;
 
 	error = generic_listxattr(dentry, list, left);
@@ -10551,8 +10551,16 @@ static ssize_t nfs4_listxattr(struct dentry *dentry, char *list, size_t size)
 	error3 = nfs4_listxattr_nfs4_user(d_inode(dentry), list, left);
 	if (error3 < 0)
 		return error3;
+	if (list) {
+		list += error3;
+		left -= error3;
+	}
 
-	error += error2 + error3;
+	error4 = security_inode_listsecurity(d_inode(dentry), list, left);
+	if (error4 < 0)
+		return error4;
+
+	error += error2 + error3 + error4;
 	if (size && error > size)
 		return -ERANGE;
 	return error;
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 83935bb1719a..b41c6fced75a 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1927,8 +1927,10 @@ static void nfs_layoutget_begin(struct pnfs_layout_hdr *lo)
 static void nfs_layoutget_end(struct pnfs_layout_hdr *lo)
 {
 	if (atomic_dec_and_test(&lo->plh_outstanding) &&
-	    test_and_clear_bit(NFS_LAYOUT_DRAIN, &lo->plh_flags))
+	    test_and_clear_bit(NFS_LAYOUT_DRAIN, &lo->plh_flags)) {
+		smp_mb__after_atomic();
 		wake_up_bit(&lo->plh_flags, NFS_LAYOUT_DRAIN);
+	}
 }
 
 static bool pnfs_is_first_layoutget(struct pnfs_layout_hdr *lo)
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index 8a9980ab2ad8..74abba466f19 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -215,7 +215,9 @@ enum ovl_path_type ovl_path_real(struct dentry *dentry, struct path *path)
 
 struct dentry *ovl_dentry_upper(struct dentry *dentry)
 {
-	return ovl_upperdentry_dereference(OVL_I(d_inode(dentry)));
+	struct inode *inode = d_inode(dentry);
+
+	return inode ? ovl_upperdentry_dereference(OVL_I(inode)) : NULL;
 }
 
 struct dentry *ovl_dentry_lower(struct dentry *dentry)
diff --git a/include/dt-bindings/clock/am4.h b/include/dt-bindings/clock/am4.h
index d961e7cb3682..4be6c5961f34 100644
--- a/include/dt-bindings/clock/am4.h
+++ b/include/dt-bindings/clock/am4.h
@@ -158,6 +158,7 @@
 #define AM4_L3S_VPFE0_CLKCTRL	AM4_L3S_CLKCTRL_INDEX(0x68)
 #define AM4_L3S_VPFE1_CLKCTRL	AM4_L3S_CLKCTRL_INDEX(0x70)
 #define AM4_L3S_GPMC_CLKCTRL	AM4_L3S_CLKCTRL_INDEX(0x220)
+#define AM4_L3S_ADC1_CLKCTRL	AM4_L3S_CLKCTRL_INDEX(0x230)
 #define AM4_L3S_MCASP0_CLKCTRL	AM4_L3S_CLKCTRL_INDEX(0x238)
 #define AM4_L3S_MCASP1_CLKCTRL	AM4_L3S_CLKCTRL_INDEX(0x240)
 #define AM4_L3S_MMC3_CLKCTRL	AM4_L3S_CLKCTRL_INDEX(0x248)
diff --git a/include/linux/console.h b/include/linux/console.h
index a97f277cfdfa..e2862542a162 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -34,9 +34,14 @@ enum vc_intensity;
 /**
  * struct consw - callbacks for consoles
  *
+ * @con_init:   initialize the console on @vc. @init is true for the very first
+ *		call on this @vc.
+ * @con_clear:  erase @count characters at [@x, @y] on @vc. @count >= 1.
  * @con_scroll: move lines from @top to @bottom in direction @dir by @lines.
  *		Return true if no generic handling should be done.
  *		Invoked by csi_M and printing to the console.
+ * @con_switch: notifier about the console switch; it is supposed to return
+ *		true if a redraw is needed.
  * @con_set_palette: sets the palette of the console to @table (optional)
  * @con_scrolldelta: the contents of the console should be scrolled by @lines.
  *		     Invoked by user. (optional)
@@ -44,10 +49,10 @@ enum vc_intensity;
 struct consw {
 	struct module *owner;
 	const char *(*con_startup)(void);
-	void	(*con_init)(struct vc_data *vc, int init);
+	void	(*con_init)(struct vc_data *vc, bool init);
 	void	(*con_deinit)(struct vc_data *vc);
-	void	(*con_clear)(struct vc_data *vc, int sy, int sx, int height,
-			int width);
+	void	(*con_clear)(struct vc_data *vc, unsigned int y,
+			     unsigned int x, unsigned int count);
 	void	(*con_putc)(struct vc_data *vc, int c, int ypos, int xpos);
 	void	(*con_putcs)(struct vc_data *vc, const unsigned short *s,
 			int count, int ypos, int xpos);
@@ -55,7 +60,7 @@ struct consw {
 	bool	(*con_scroll)(struct vc_data *vc, unsigned int top,
 			unsigned int bottom, enum con_scroll dir,
 			unsigned int lines);
-	int	(*con_switch)(struct vc_data *vc);
+	bool	(*con_switch)(struct vc_data *vc);
 	int	(*con_blank)(struct vc_data *vc, int blank, int mode_switch);
 	int	(*con_font_set)(struct vc_data *vc, struct console_font *font,
 			unsigned int flags);
diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h
index d5b9c8d40c18..f75033f0277f 100644
--- a/include/linux/console_struct.h
+++ b/include/linux/console_struct.h
@@ -17,7 +17,7 @@
 #include <linux/vt.h>
 #include <linux/workqueue.h>
 
-struct uni_pagedir;
+struct uni_pagedict;
 struct uni_screen;
 
 #define NPAR 16
@@ -157,8 +157,8 @@ struct vc_data {
 	unsigned int	vc_bell_duration;	/* Console bell duration */
 	unsigned short	vc_cur_blink_ms;	/* Cursor blink duration */
 	struct vc_data **vc_display_fg;		/* [!] Ptr to var holding fg console for this display */
-	struct uni_pagedir *vc_uni_pagedir;
-	struct uni_pagedir **vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */
+	struct uni_pagedict *vc_uni_pagedir;
+	struct uni_pagedict **vc_uni_pagedir_loc; /* [!] Location of uni_pagedict variable for this console */
 	struct uni_screen *vc_uni_screen;	/* unicode screen content */
 	/* additional information is in vt_kern.h */
 };
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 87b5a176e848..ab1b88b16982 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -78,6 +78,7 @@ extern ssize_t cpu_show_reg_file_data_sampling(struct device *dev,
 					       struct device_attribute *attr, char *buf);
 extern ssize_t cpu_show_indirect_target_selection(struct device *dev,
 						  struct device_attribute *attr, char *buf);
+extern ssize_t cpu_show_tsa(struct device *dev, struct device_attribute *attr, char *buf);
 
 extern __printf(4, 5)
 struct device *cpu_device_create(struct device *parent, void *drvdata,
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index aff435a42ead..62d5bb1f726f 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -815,6 +815,8 @@ struct vmbus_requestor {
 #define VMBUS_RQST_RESET (U64_MAX - 3)
 
 struct vmbus_device {
+	/* preferred ring buffer size in KB, 0 means no preferred size for this device */
+	size_t pref_ring_size;
 	u16  dev_type;
 	guid_t guid;
 	bool perf_device;
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 5dfd663b70a2..b6fb76568b01 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -195,7 +195,6 @@ struct inet6_cork {
 	struct ipv6_txoptions *opt;
 	u8 hop_limit;
 	u8 tclass;
-	u8 dontfrag:1;
 };
 
 /**
diff --git a/include/linux/regulator/gpio-regulator.h b/include/linux/regulator/gpio-regulator.h
index fdeb312cdabd..c223e50ff9f7 100644
--- a/include/linux/regulator/gpio-regulator.h
+++ b/include/linux/regulator/gpio-regulator.h
@@ -42,6 +42,7 @@ struct gpio_regulator_state {
 /**
  * struct gpio_regulator_config - config structure
  * @supply_name:	Name of the regulator supply
+ * @input_supply:	Name of the input regulator supply
  * @enabled_at_boot:	Whether regulator has been enabled at
  *			boot or not. 1 = Yes, 0 = No
  *			This is used to keep the regulator at
@@ -62,6 +63,7 @@ struct gpio_regulator_state {
  */
 struct gpio_regulator_config {
 	const char *supply_name;
+	const char *input_supply;
 
 	unsigned enabled_at_boot:1;
 	unsigned startup_delay;
diff --git a/include/linux/usb/typec_dp.h b/include/linux/usb/typec_dp.h
index 8d09c2f0a9b8..c3f08af20295 100644
--- a/include/linux/usb/typec_dp.h
+++ b/include/linux/usb/typec_dp.h
@@ -56,6 +56,7 @@ enum {
 	DP_PIN_ASSIGN_D,
 	DP_PIN_ASSIGN_E,
 	DP_PIN_ASSIGN_F, /* Not supported after v1.0b */
+	DP_PIN_ASSIGN_MAX,
 };
 
 /* DisplayPort alt mode specific commands */
diff --git a/include/uapi/linux/vm_sockets.h b/include/uapi/linux/vm_sockets.h
index 46918a1852d7..4263c85593fa 100644
--- a/include/uapi/linux/vm_sockets.h
+++ b/include/uapi/linux/vm_sockets.h
@@ -17,6 +17,10 @@
 #ifndef _UAPI_VM_SOCKETS_H
 #define _UAPI_VM_SOCKETS_H
 
+#ifndef __KERNEL__
+#include <sys/socket.h>        /* for struct sockaddr and sa_family_t */
+#endif
+
 #include <linux/socket.h>
 #include <linux/types.h>
 
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 66c1ca01dd0e..185d37b02dc9 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -2988,6 +2988,10 @@ __call_rcu(struct rcu_head *head, rcu_callback_t func)
 	/* Misaligned rcu_head! */
 	WARN_ON_ONCE((unsigned long)head & (sizeof(void *) - 1));
 
+	/* Avoid NULL dereference if callback is NULL. */
+	if (WARN_ON_ONCE(!func))
+		return;
+
 	if (debug_rcu_head_queue(head)) {
 		/*
 		 * Probable double call_rcu(), so leak the callback.
diff --git a/lib/test_objagg.c b/lib/test_objagg.c
index da137939a410..78d25ab19a96 100644
--- a/lib/test_objagg.c
+++ b/lib/test_objagg.c
@@ -899,8 +899,10 @@ static int check_expect_hints_stats(struct objagg_hints *objagg_hints,
 	int err;
 
 	stats = objagg_hints_stats_get(objagg_hints);
-	if (IS_ERR(stats))
+	if (IS_ERR(stats)) {
+		*errmsg = "objagg_hints_stats_get() failed.";
 		return PTR_ERR(stats);
+	}
 	err = __check_expect_stats(stats, expect_stats, errmsg);
 	objagg_stats_put(stats);
 	return err;
diff --git a/net/atm/clip.c b/net/atm/clip.c
index 294cb9efe3d3..511467bb7fe4 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -193,12 +193,6 @@ static void clip_push(struct atm_vcc *vcc, struct sk_buff *skb)
 
 	pr_debug("\n");
 
-	if (!clip_devs) {
-		atm_return(vcc, skb->truesize);
-		kfree_skb(skb);
-		return;
-	}
-
 	if (!skb) {
 		pr_debug("removing VCC %p\n", clip_vcc);
 		if (clip_vcc->entry)
@@ -208,6 +202,11 @@ static void clip_push(struct atm_vcc *vcc, struct sk_buff *skb)
 		return;
 	}
 	atm_return(vcc, skb->truesize);
+	if (!clip_devs) {
+		kfree_skb(skb);
+		return;
+	}
+
 	skb->dev = clip_vcc->entry ? clip_vcc->entry->neigh->dev : clip_devs;
 	/* clip_vcc->entry == NULL if we don't have an IP address yet */
 	if (!skb->dev) {
diff --git a/net/atm/resources.c b/net/atm/resources.c
index 995d29e7fb13..b19d851e1f44 100644
--- a/net/atm/resources.c
+++ b/net/atm/resources.c
@@ -146,11 +146,10 @@ void atm_dev_deregister(struct atm_dev *dev)
 	 */
 	mutex_lock(&atm_dev_mutex);
 	list_del(&dev->dev_list);
-	mutex_unlock(&atm_dev_mutex);
-
 	atm_dev_release_vccs(dev);
 	atm_unregister_sysfs(dev);
 	atm_proc_dev_deregister(dev);
+	mutex_unlock(&atm_dev_mutex);
 
 	atm_dev_put(dev);
 }
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 89021b3b8f44..089fca4f7812 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -3576,7 +3576,7 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
 	struct l2cap_conf_rfc rfc = { .mode = L2CAP_MODE_BASIC };
 	struct l2cap_conf_efs efs;
 	u8 remote_efs = 0;
-	u16 mtu = L2CAP_DEFAULT_MTU;
+	u16 mtu = 0;
 	u16 result = L2CAP_CONF_SUCCESS;
 	u16 size;
 
@@ -3687,6 +3687,13 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
 		/* Configure output options and let the other side know
 		 * which ones we don't like. */
 
+		/* If MTU is not provided in configure request, use the most recently
+		 * explicitly or implicitly accepted value for the other direction,
+		 * or the default value.
+		 */
+		if (mtu == 0)
+			mtu = chan->imtu ? chan->imtu : L2CAP_DEFAULT_MTU;
+
 		if (mtu < L2CAP_DEFAULT_MIN_MTU)
 			result = L2CAP_CONF_UNACCEPT;
 		else {
diff --git a/net/core/selftests.c b/net/core/selftests.c
index 29ca19ec82bb..63938efd5b55 100644
--- a/net/core/selftests.c
+++ b/net/core/selftests.c
@@ -160,8 +160,9 @@ static struct sk_buff *net_test_get_skb(struct net_device *ndev,
 	skb->csum = 0;
 	skb->ip_summed = CHECKSUM_PARTIAL;
 	if (attr->tcp) {
-		thdr->check = ~tcp_v4_check(skb->len, ihdr->saddr,
-					    ihdr->daddr, 0);
+		int l4len = skb->len - skb_transport_offset(skb);
+
+		thdr->check = ~tcp_v4_check(l4len, ihdr->saddr, ihdr->daddr, 0);
 		skb->csum_start = skb_transport_header(skb) - skb->head;
 		skb->csum_offset = offsetof(struct tcphdr, check);
 	} else {
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index a71b7a106995..4fcff4fe5a98 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1428,7 +1428,6 @@ static int ip6_setup_cork(struct sock *sk, struct inet_cork_full *cork,
 	cork->fl.u.ip6 = *fl6;
 	v6_cork->hop_limit = ipc6->hlimit;
 	v6_cork->tclass = ipc6->tclass;
-	v6_cork->dontfrag = ipc6->dontfrag;
 	if (rt->dst.flags & DST_XFRM_TUNNEL)
 		mtu = np->pmtudisc >= IPV6_PMTUDISC_PROBE ?
 		      READ_ONCE(rt->dst.dev->mtu) : dst_mtu(&rt->dst);
@@ -1463,7 +1462,7 @@ static int __ip6_append_data(struct sock *sk,
 			     int getfrag(void *from, char *to, int offset,
 					 int len, int odd, struct sk_buff *skb),
 			     void *from, size_t length, int transhdrlen,
-			     unsigned int flags)
+			     unsigned int flags, struct ipcm6_cookie *ipc6)
 {
 	struct sk_buff *skb, *skb_prev = NULL;
 	unsigned int maxfraglen, fragheaderlen, mtu, orig_mtu, pmtu;
@@ -1520,7 +1519,7 @@ static int __ip6_append_data(struct sock *sk,
 	if (headersize + transhdrlen > mtu)
 		goto emsgsize;
 
-	if (cork->length + length > mtu - headersize && v6_cork->dontfrag &&
+	if (cork->length + length > mtu - headersize && ipc6->dontfrag &&
 	    (sk->sk_protocol == IPPROTO_UDP ||
 	     sk->sk_protocol == IPPROTO_RAW)) {
 		ipv6_local_rxpmtu(sk, fl6, mtu - headersize +
@@ -1837,7 +1836,7 @@ int ip6_append_data(struct sock *sk,
 
 	return __ip6_append_data(sk, fl6, &sk->sk_write_queue, &inet->cork.base,
 				 &np->cork, sk_page_frag(sk), getfrag,
-				 from, length, transhdrlen, flags);
+				 from, length, transhdrlen, flags, ipc6);
 }
 EXPORT_SYMBOL_GPL(ip6_append_data);
 
@@ -2032,7 +2031,7 @@ struct sk_buff *ip6_make_skb(struct sock *sk,
 	err = __ip6_append_data(sk, fl6, &queue, &cork->base, &v6_cork,
 				&current->task_frag, getfrag, from,
 				length + exthdrlen, transhdrlen + exthdrlen,
-				flags);
+				flags, ipc6);
 	if (err) {
 		__ip6_flush_pending_frames(sk, &queue, cork, &v6_cork);
 		return ERR_PTR(err);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 26943c93f14c..6c160ff2aab9 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -4168,6 +4168,10 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
 		if (!multicast &&
 		    !ether_addr_equal(sdata->dev->dev_addr, hdr->addr1))
 			return false;
+		/* reject invalid/our STA address */
+		if (!is_valid_ether_addr(hdr->addr2) ||
+		    ether_addr_equal(sdata->dev->dev_addr, hdr->addr2))
+			return false;
 		if (!rx->sta) {
 			int rate_idx;
 			if (status->encoding != RX_ENC_LEGACY)
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index cc78d3cba45e..07512f0d5576 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -4350,7 +4350,7 @@ void ieee80211_recalc_dtim(struct ieee80211_local *local,
 {
 	u64 tsf = drv_get_tsf(local, sdata);
 	u64 dtim_count = 0;
-	u16 beacon_int = sdata->vif.bss_conf.beacon_int * 1024;
+	u32 beacon_int = sdata->vif.bss_conf.beacon_int * 1024;
 	u8 dtim_period = sdata->vif.bss_conf.dtim_period;
 	struct ps_data *ps;
 	u8 bcns_from_dtim;
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
index 66aa05db5390..d0112f186385 100644
--- a/net/rose/rose_route.c
+++ b/net/rose/rose_route.c
@@ -497,22 +497,15 @@ void rose_rt_device_down(struct net_device *dev)
 			t         = rose_node;
 			rose_node = rose_node->next;
 
-			for (i = 0; i < t->count; i++) {
+			for (i = t->count - 1; i >= 0; i--) {
 				if (t->neighbour[i] != s)
 					continue;
 
 				t->count--;
 
-				switch (i) {
-				case 0:
-					t->neighbour[0] = t->neighbour[1];
-					fallthrough;
-				case 1:
-					t->neighbour[1] = t->neighbour[2];
-					break;
-				case 2:
-					break;
-				}
+				memmove(&t->neighbour[i], &t->neighbour[i + 1],
+					sizeof(t->neighbour[0]) *
+						(t->count - i));
 			}
 
 			if (t->count <= 0)
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index d9ce273ba43d..222921b4751f 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -768,15 +768,12 @@ static u32 qdisc_alloc_handle(struct net_device *dev)
 
 void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len)
 {
-	bool qdisc_is_offloaded = sch->flags & TCQ_F_OFFLOADED;
 	const struct Qdisc_class_ops *cops;
 	unsigned long cl;
 	u32 parentid;
 	bool notify;
 	int drops;
 
-	if (n == 0 && len == 0)
-		return;
 	drops = max_t(int, n, 0);
 	rcu_read_lock();
 	while ((parentid = sch->parent)) {
@@ -785,17 +782,8 @@ void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len)
 
 		if (sch->flags & TCQ_F_NOPARENT)
 			break;
-		/* Notify parent qdisc only if child qdisc becomes empty.
-		 *
-		 * If child was empty even before update then backlog
-		 * counter is screwed and we skip notification because
-		 * parent class is already passive.
-		 *
-		 * If the original child was offloaded then it is allowed
-		 * to be seem as empty, so the parent is notified anyway.
-		 */
-		notify = !sch->q.qlen && !WARN_ON_ONCE(!n &&
-						       !qdisc_is_offloaded);
+		/* Notify parent qdisc only if child qdisc becomes empty. */
+		notify = !sch->q.qlen;
 		/* TODO: perform the search on a per txq basis */
 		sch = qdisc_lookup(qdisc_dev(sch), TC_H_MAJ(parentid));
 		if (sch == NULL) {
@@ -804,6 +792,9 @@ void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len)
 		}
 		cops = sch->ops->cl_ops;
 		if (notify && cops->qlen_notify) {
+			/* Note that qlen_notify must be idempotent as it may get called
+			 * multiple times.
+			 */
 			cl = cops->find(sch, parentid);
 			cops->qlen_notify(sch, cl);
 		}
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index eb916b2eb673..12c4a27e1655 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -516,6 +516,11 @@ static void unix_sock_destructor(struct sock *sk)
 #endif
 }
 
+static unsigned int unix_skb_len(const struct sk_buff *skb)
+{
+	return skb->len - UNIXCB(skb).consumed;
+}
+
 static void unix_release_sock(struct sock *sk, int embrion)
 {
 	struct unix_sock *u = unix_sk(sk);
@@ -552,10 +557,16 @@ static void unix_release_sock(struct sock *sk, int embrion)
 
 	if (skpair != NULL) {
 		if (sk->sk_type == SOCK_STREAM || sk->sk_type == SOCK_SEQPACKET) {
+			struct sk_buff *skb = skb_peek(&sk->sk_receive_queue);
+
+#if IS_ENABLED(CONFIG_AF_UNIX_OOB)
+			if (skb && !unix_skb_len(skb))
+				skb = skb_peek_next(skb, &sk->sk_receive_queue);
+#endif
 			unix_state_lock(skpair);
 			/* No more writes */
 			WRITE_ONCE(skpair->sk_shutdown, SHUTDOWN_MASK);
-			if (!skb_queue_empty_lockless(&sk->sk_receive_queue) || embrion)
+			if (skb || embrion)
 				WRITE_ONCE(skpair->sk_err, ECONNRESET);
 			unix_state_unlock(skpair);
 			skpair->sk_state_change(skpair);
@@ -2479,11 +2490,6 @@ static long unix_stream_data_wait(struct sock *sk, long timeo,
 	return timeo;
 }
 
-static unsigned int unix_skb_len(const struct sk_buff *skb)
-{
-	return skb->len - UNIXCB(skb).consumed;
-}
-
 struct unix_stream_read_state {
 	int (*recv_actor)(struct sk_buff *, int, int,
 			  struct unix_stream_read_state *);
diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
index 94c1112f1c8c..6910b5ce9a18 100644
--- a/net/vmw_vsock/vmci_transport.c
+++ b/net/vmw_vsock/vmci_transport.c
@@ -119,6 +119,8 @@ vmci_transport_packet_init(struct vmci_transport_packet *pkt,
 			   u16 proto,
 			   struct vmci_handle handle)
 {
+	memset(pkt, 0, sizeof(*pkt));
+
 	/* We register the stream control handler as an any cid handle so we
 	 * must always send from a source address of VMADDR_CID_ANY
 	 */
@@ -131,8 +133,6 @@ vmci_transport_packet_init(struct vmci_transport_packet *pkt,
 	pkt->type = type;
 	pkt->src_port = src->svm_port;
 	pkt->dst_port = dst->svm_port;
-	memset(&pkt->proto, 0, sizeof(pkt->proto));
-	memset(&pkt->_reserved2, 0, sizeof(pkt->_reserved2));
 
 	switch (pkt->type) {
 	case VMCI_TRANSPORT_PACKET_TYPE_INVALID:
diff --git a/sound/isa/sb/sb16_main.c b/sound/isa/sb/sb16_main.c
index a9b87e159b2d..1497a7822eee 100644
--- a/sound/isa/sb/sb16_main.c
+++ b/sound/isa/sb/sb16_main.c
@@ -703,6 +703,9 @@ static int snd_sb16_dma_control_put(struct snd_kcontrol *kcontrol, struct snd_ct
 	unsigned char nval, oval;
 	int change;
 	
+	if (chip->mode & (SB_MODE_PLAYBACK | SB_MODE_CAPTURE))
+		return -EBUSY;
+
 	nval = ucontrol->value.enumerated.item[0];
 	if (nval > 2)
 		return -EINVAL;
@@ -711,6 +714,10 @@ static int snd_sb16_dma_control_put(struct snd_kcontrol *kcontrol, struct snd_ct
 	change = nval != oval;
 	snd_sb16_set_dma_mode(chip, nval);
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
+	if (change) {
+		snd_dma_disable(chip->dma8);
+		snd_dma_disable(chip->dma16);
+	}
 	return change;
 }
 
diff --git a/sound/pci/hda/hda_bind.c b/sound/pci/hda/hda_bind.c
index 8e35009ec25c..a22f723ab3ab 100644
--- a/sound/pci/hda/hda_bind.c
+++ b/sound/pci/hda/hda_bind.c
@@ -45,7 +45,7 @@ static void hda_codec_unsol_event(struct hdac_device *dev, unsigned int ev)
 	struct hda_codec *codec = container_of(dev, struct hda_codec, core);
 
 	/* ignore unsol events during shutdown */
-	if (codec->bus->shutdown)
+	if (codec->card->shutdown || codec->bus->shutdown)
 		return;
 
 	/* ignore unsol events during system suspend/resume */
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index cc8c066327b6..c69f4e5989d4 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2731,6 +2731,9 @@ static const struct pci_device_id azx_ids[] = {
 	{ PCI_DEVICE(0x1002, 0xab38),
 	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
 	  AZX_DCAPS_PM_RUNTIME },
+	{ PCI_VDEVICE(ATI, 0xab40),
+	  .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
+	  AZX_DCAPS_PM_RUNTIME },
 	/* GLENFLY */
 	{ PCI_DEVICE(PCI_VENDOR_ID_GLENFLY, PCI_ANY_ID),
 	  .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 488fcdbb6a2d..f24a334316a2 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1877,6 +1877,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
 		   QUIRK_FLAG_DISABLE_AUTOSUSPEND),
 	DEVICE_FLG(0x17aa, 0x104d, /* Lenovo ThinkStation P620 Internal Speaker + Front Headset */
 		   QUIRK_FLAG_DISABLE_AUTOSUSPEND),
+	DEVICE_FLG(0x17ef, 0x3083, /* Lenovo TBT3 dock */
+		   QUIRK_FLAG_GET_SAMPLE_RATE),
 	DEVICE_FLG(0x1852, 0x5062, /* Luxman D-08u */
 		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
 	DEVICE_FLG(0x1852, 0x5065, /* Luxman DA-06 */
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index e14c725acebf..0f1558ef8555 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -982,6 +982,8 @@ snd_usb_get_audioformat_uac3(struct snd_usb_audio *chip,
 	 * and request Cluster Descriptor
 	 */
 	wLength = le16_to_cpu(hc_header.wLength);
+	if (wLength < sizeof(cluster))
+		return NULL;
 	cluster = kzalloc(wLength, GFP_KERNEL);
 	if (!cluster)
 		return ERR_PTR(-ENOMEM);
diff --git a/tools/lib/bpf/btf_dump.c b/tools/lib/bpf/btf_dump.c
index c2bf996fcba8..d62b2d2e8aac 100644
--- a/tools/lib/bpf/btf_dump.c
+++ b/tools/lib/bpf/btf_dump.c
@@ -220,6 +220,9 @@ static void btf_dump_free_names(struct hashmap *map)
 	size_t bkt;
 	struct hashmap_entry *cur;
 
+	if (!map)
+		return;
+
 	hashmap__for_each_entry(map, cur, bkt)
 		free((void *)cur->key);
 
