build/patch/kernel/archive/sun50iw9-4.9/patch-4.9.219-220.patch

diff --git a/Makefile b/Makefile
index 26ad7b28a193..e7866bc2d817 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 9
-SUBLEVEL = 219
+SUBLEVEL = 220
 EXTRAVERSION =
 NAME = Roaring Lionus
 
diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c
index c0ede237c14b..49989207989a 100644
--- a/arch/arm64/kernel/armv8_deprecated.c
+++ b/arch/arm64/kernel/armv8_deprecated.c
@@ -604,7 +604,7 @@ static struct undef_hook setend_hooks[] = {
 	},
 	{
 		/* Thumb mode */
-		.instr_mask	= 0x0000fff7,
+		.instr_mask	= 0xfffffff7,
 		.instr_val	= 0x0000b650,
 		.pstate_mask	= (COMPAT_PSR_T_BIT | COMPAT_PSR_MODE_MASK),
 		.pstate_val	= (COMPAT_PSR_T_BIT | COMPAT_PSR_MODE_USR),
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index 930e74d9fcbd..3b680a32886b 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -16,6 +16,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <linux/arm-smccc.h>
+#include <linux/psci.h>
 #include <linux/types.h>
 #include <asm/cachetype.h>
 #include <asm/cpu.h>
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index 6420c83c29d1..ff5fc917ef95 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -2199,6 +2199,9 @@ static int octeon_irq_cib_map(struct irq_domain *d,
 	}
 
 	cd = kzalloc(sizeof(*cd), GFP_KERNEL);
+	if (!cd)
+		return -ENOMEM;
+
 	cd->host_data = host_data;
 	cd->bit = hw;
 
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index f4c46b0ec611..aa6cc2bfa69d 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -469,8 +469,10 @@ static long restore_tm_sigcontexts(struct task_struct *tsk,
 	err |= __get_user(tsk->thread.ckpt_regs.ccr,
 			  &sc->gp_regs[PT_CCR]);
 
+	/* Don't allow userspace to set the trap value */
+	regs->trap = 0;
+
 	/* These regs are not checkpointed; they can go in 'regs'. */
-	err |= __get_user(regs->trap, &sc->gp_regs[PT_TRAP]);
 	err |= __get_user(regs->dar, &sc->gp_regs[PT_DAR]);
 	err |= __get_user(regs->dsisr, &sc->gp_regs[PT_DSISR]);
 	err |= __get_user(regs->result, &sc->gp_regs[PT_RESULT]);
diff --git a/arch/powerpc/mm/tlb_nohash_low.S b/arch/powerpc/mm/tlb_nohash_low.S
index eabecfcaef7c..204b4d9c4424 100644
--- a/arch/powerpc/mm/tlb_nohash_low.S
+++ b/arch/powerpc/mm/tlb_nohash_low.S
@@ -400,7 +400,7 @@ _GLOBAL(set_context)
  * extern void loadcam_entry(unsigned int index)
  *
  * Load TLBCAM[index] entry in to the L2 CAM MMU
- * Must preserve r7, r8, r9, and r10
+ * Must preserve r7, r8, r9, r10 and r11
  */
 _GLOBAL(loadcam_entry)
 	mflr	r5
@@ -436,6 +436,10 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_BIG_PHYS)
  */
 _GLOBAL(loadcam_multi)
 	mflr	r8
+	/* Don't switch to AS=1 if already there */
+	mfmsr	r11
+	andi.	r11,r11,MSR_IS
+	bne	10f
 
 	/*
 	 * Set up temporary TLB entry that is the same as what we're
@@ -461,6 +465,7 @@ _GLOBAL(loadcam_multi)
 	mtmsr	r6
 	isync
 
+10:
 	mr	r9,r3
 	add	r10,r3,r4
 2:	bl	loadcam_entry
@@ -469,6 +474,10 @@ _GLOBAL(loadcam_multi)
 	mr	r3,r9
 	blt	2b
 
+	/* Don't return to AS=0 if we were in AS=1 at function start */
+	andi.	r11,r11,MSR_IS
+	bne	3f
+
 	/* Return to AS=0 and clear the temporary entry */
 	mfmsr	r6
 	rlwinm.	r6,r6,0,~(MSR_IS|MSR_DS)
@@ -484,6 +493,7 @@ _GLOBAL(loadcam_multi)
 	tlbwe
 	isync
 
+3:
 	mtlr	r8
 	blr
 #endif
diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index b7f937563827..d1fee2d35b49 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -299,23 +299,6 @@ static int __init maple_probe(void)
 	return 1;
 }
 
-define_machine(maple) {
-	.name			= "Maple",
-	.probe			= maple_probe,
-	.setup_arch		= maple_setup_arch,
-	.init_IRQ		= maple_init_IRQ,
-	.pci_irq_fixup		= maple_pci_irq_fixup,
-	.pci_get_legacy_ide_irq	= maple_pci_get_legacy_ide_irq,
-	.restart		= maple_restart,
-	.halt			= maple_halt,
-       	.get_boot_time		= maple_get_boot_time,
-       	.set_rtc_time		= maple_set_rtc_time,
-       	.get_rtc_time		= maple_get_rtc_time,
-      	.calibrate_decr		= generic_calibrate_decr,
-	.progress		= maple_progress,
-	.power_save		= power4_idle,
-};
-
 #ifdef CONFIG_EDAC
 /*
  * Register a platform device for CPC925 memory controller on
@@ -372,3 +355,20 @@ static int __init maple_cpc925_edac_setup(void)
 }
 machine_device_initcall(maple, maple_cpc925_edac_setup);
 #endif
+
+define_machine(maple) {
+	.name			= "Maple",
+	.probe			= maple_probe,
+	.setup_arch		= maple_setup_arch,
+	.init_IRQ		= maple_init_IRQ,
+	.pci_irq_fixup		= maple_pci_irq_fixup,
+	.pci_get_legacy_ide_irq	= maple_pci_get_legacy_ide_irq,
+	.restart		= maple_restart,
+	.halt			= maple_halt,
+	.get_boot_time		= maple_get_boot_time,
+	.set_rtc_time		= maple_set_rtc_time,
+	.get_rtc_time		= maple_get_rtc_time,
+	.calibrate_decr		= generic_calibrate_decr,
+	.progress		= maple_progress,
+	.power_save		= power4_idle,
+};
diff --git a/arch/s390/kernel/diag.c b/arch/s390/kernel/diag.c
index a97354c8c667..7171fb98533f 100644
--- a/arch/s390/kernel/diag.c
+++ b/arch/s390/kernel/diag.c
@@ -76,7 +76,7 @@ static int show_diag_stat(struct seq_file *m, void *v)
 
 static void *show_diag_stat_start(struct seq_file *m, loff_t *pos)
 {
-	return *pos <= nr_cpu_ids ? (void *)((unsigned long) *pos + 1) : NULL;
+	return *pos <= NR_DIAG_STAT ? (void *)((unsigned long) *pos + 1) : NULL;
 }
 
 static void *show_diag_stat_next(struct seq_file *m, void *v, loff_t *pos)
diff --git a/arch/s390/kernel/processor.c b/arch/s390/kernel/processor.c
index d856263fd768..737e22cf0972 100644
--- a/arch/s390/kernel/processor.c
+++ b/arch/s390/kernel/processor.c
@@ -139,8 +139,9 @@ static void show_cpu_mhz(struct seq_file *m, unsigned long n)
 static int show_cpuinfo(struct seq_file *m, void *v)
 {
 	unsigned long n = (unsigned long) v - 1;
+	unsigned long first = cpumask_first(cpu_online_mask);
 
-	if (!n)
+	if (n == first)
 		show_cpu_summary(m, v);
 	if (!machine_has_cpu_mhz)
 		return 0;
@@ -153,6 +154,8 @@ static inline void *c_update(loff_t *pos)
 {
 	if (*pos)
 		*pos = cpumask_next(*pos - 1, cpu_online_mask);
+	else
+		*pos = cpumask_first(cpu_online_mask);
 	return *pos < nr_cpu_ids ? (void *)*pos + 1 : NULL;
 }
 
diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
index da246d95b87c..d3f046eca7db 100644
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -947,6 +947,7 @@ static int vsie_run(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)
 		scb_s->iprcc = PGM_ADDRESSING;
 		scb_s->pgmilc = 4;
 		scb_s->gpsw.addr = __rewind_psw(scb_s->gpsw, 4);
+		rc = 1;
 	}
 	return rc;
 }
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index b6c85b760305..0195c3983f54 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -759,14 +759,18 @@ static void gmap_call_notifier(struct gmap *gmap, unsigned long start,
 static inline unsigned long *gmap_table_walk(struct gmap *gmap,
 					     unsigned long gaddr, int level)
 {
+	const int asce_type = gmap->asce & _ASCE_TYPE_MASK;
 	unsigned long *table;
 
 	if ((gmap->asce & _ASCE_TYPE_MASK) + 4 < (level * 4))
 		return NULL;
 	if (gmap_is_shadow(gmap) && gmap->removed)
 		return NULL;
-	if (gaddr & (-1UL << (31 + ((gmap->asce & _ASCE_TYPE_MASK) >> 2)*11)))
+
+	if (asce_type != _ASCE_TYPE_REGION1 &&
+	    gaddr & (-1UL << (31 + (asce_type >> 2) * 11)))
 		return NULL;
+
 	table = gmap->table;
 	switch (gmap->asce & _ASCE_TYPE_MASK) {
 	case _ASCE_TYPE_REGION1:
@@ -1680,6 +1684,7 @@ int gmap_shadow_r3t(struct gmap *sg, unsigned long saddr, unsigned long r3t,
 		goto out_free;
 	} else if (*table & _REGION_ENTRY_ORIGIN) {
 		rc = -EAGAIN;		/* Race with shadow */
+		goto out_free;
 	}
 	crst_table_init(s_r3t, _REGION3_ENTRY_EMPTY);
 	/* mark as invalid as long as the parent table is not protected */
diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
index fd0b6a272dd5..7532f6f53677 100644
--- a/arch/x86/boot/compressed/head_32.S
+++ b/arch/x86/boot/compressed/head_32.S
@@ -170,7 +170,7 @@ preferred_addr:
 	notl	%eax
 	andl    %eax, %ebx
 	cmpl	$LOAD_PHYSICAL_ADDR, %ebx
-	jge	1f
+	jae	1f
 #endif
 	movl	$LOAD_PHYSICAL_ADDR, %ebx
 1:
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 9e3a183561a9..3fac2d133e4e 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -104,7 +104,7 @@ ENTRY(startup_32)
 	notl	%eax
 	andl	%eax, %ebx
 	cmpl	$LOAD_PHYSICAL_ADDR, %ebx
-	jge	1f
+	jae	1f
 #endif
 	movl	$LOAD_PHYSICAL_ADDR, %ebx
 1:
@@ -339,7 +339,7 @@ preferred_addr:
 	notq	%rax
 	andq	%rax, %rbp
 	cmpq	$LOAD_PHYSICAL_ADDR, %rbp
-	jge	1f
+	jae	1f
 #endif
 	movq	$LOAD_PHYSICAL_ADDR, %rbp
 1:
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
index 1cf16760f5e3..4d980d11e2d1 100644
--- a/arch/x86/entry/entry_32.S
+++ b/arch/x86/entry/entry_32.S
@@ -1195,6 +1195,7 @@ ENTRY(int3)
 END(int3)
 
 ENTRY(general_protection)
+	ASM_CLAC
 	pushl	$do_general_protection
 	jmp	error_code
 END(general_protection)
diff --git a/arch/x86/include/asm/microcode_intel.h b/arch/x86/include/asm/microcode_intel.h
index a61ec81b27db..c8e472e2c896 100644
--- a/arch/x86/include/asm/microcode_intel.h
+++ b/arch/x86/include/asm/microcode_intel.h
@@ -59,7 +59,7 @@ static inline u32 intel_get_microcode_revision(void)
 	native_wrmsrl(MSR_IA32_UCODE_REV, 0);
 
 	/* As documented in the SDM: Do a CPUID 1 here */
-	sync_core();
+	native_cpuid_eax(1);
 
 	/* get the current revision from MSR 0x8B */
 	native_rdmsr(MSR_IA32_UCODE_REV, dummy, rev);
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 92703fa09c19..7aa9a9bd9d98 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -213,6 +213,24 @@ static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
 	    : "memory");
 }
 
+#define native_cpuid_reg(reg)					\
+static inline unsigned int native_cpuid_##reg(unsigned int op)	\
+{								\
+	unsigned int eax = op, ebx, ecx = 0, edx;		\
+								\
+	native_cpuid(&eax, &ebx, &ecx, &edx);			\
+								\
+	return reg;						\
+}
+
+/*
+ * Native CPUID functions returning a single datum.
+ */
+native_cpuid_reg(eax)
+native_cpuid_reg(ebx)
+native_cpuid_reg(ecx)
+native_cpuid_reg(edx)
+
 static inline void load_cr3(pgd_t *pgdir)
 {
 	write_cr3(__pa(pgdir));
diff --git a/arch/x86/include/asm/vgtod.h b/arch/x86/include/asm/vgtod.h
index 3a01996db58f..59e78c3d3dd8 100644
--- a/arch/x86/include/asm/vgtod.h
+++ b/arch/x86/include/asm/vgtod.h
@@ -92,7 +92,7 @@ static inline unsigned int __getcpu(void)
 	 *
 	 * If RDPID is available, use it.
 	 */
-	alternative_io ("lsl %[p],%[seg]",
+	alternative_io ("lsl %[seg],%[p]",
 			".byte 0xf3,0x0f,0xc7,0xf8", /* RDPID %eax/rax */
 			X86_FEATURE_RDPID,
 			[p] "=a" (p), [seg] "r" (__PER_CPU_SEG));
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 0a1e8a67cc99..c3fba8b52753 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1717,7 +1717,7 @@ int __acpi_acquire_global_lock(unsigned int *lock)
 		new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1));
 		val = cmpxchg(lock, old, new);
 	} while (unlikely (val != old));
-	return (new < 3) ? -1 : 0;
+	return ((new & 0x3) < 3) ? -1 : 0;
 }
 
 int __acpi_release_global_lock(unsigned int *lock)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 43aabd72019b..314eb954bdee 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -8319,6 +8319,13 @@ int kvm_arch_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot,
 {
 	int i;
 
+	/*
+	 * Clear out the previous array pointers for the KVM_MR_MOVE case.  The
+	 * old arrays will be freed by __kvm_set_memory_region() if installing
+	 * the new memslot is successful.
+	 */
+	memset(&slot->arch, 0, sizeof(slot->arch));
+
 	for (i = 0; i < KVM_NR_PAGE_SIZES; ++i) {
 		struct kvm_lpage_info *linfo;
 		unsigned long ugfn;
@@ -8392,6 +8399,10 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
 				const struct kvm_userspace_memory_region *mem,
 				enum kvm_mr_change change)
 {
+	if (change == KVM_MR_MOVE)
+		return kvm_arch_create_memslot(kvm, memslot,
+					       mem->memory_size >> PAGE_SHIFT);
+
 	return 0;
 }
 
diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index 85aa76116a30..7924d0635718 100644
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -764,6 +764,7 @@ static int sata_pmp_eh_recover_pmp(struct ata_port *ap,
 
 	if (dev->flags & ATA_DFLAG_DETACH) {
 		detach = 1;
+		rc = -ENODEV;
 		goto fail;
 	}
 
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index f5eb102a2cf7..c4f2b563c9f0 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -4444,22 +4444,19 @@ int ata_scsi_add_hosts(struct ata_host *host, struct scsi_host_template *sht)
 		 */
 		shost->max_host_blocked = 1;
 
-		rc = scsi_add_host_with_dma(ap->scsi_host,
-						&ap->tdev, ap->host->dev);
+		rc = scsi_add_host_with_dma(shost, &ap->tdev, ap->host->dev);
 		if (rc)
-			goto err_add;
+			goto err_alloc;
 	}
 
 	return 0;
 
- err_add:
-	scsi_host_put(host->ports[i]->scsi_host);
  err_alloc:
 	while (--i >= 0) {
 		struct Scsi_Host *shost = host->ports[i]->scsi_host;
 
+		/* scsi_host_put() is in ata_devres_release() */
 		scsi_remove_host(shost);
-		scsi_host_put(shost);
 	}
 	return rc;
 }
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 2051d926e303..4f3d988210b0 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -345,7 +345,7 @@ static int sunxi_rsb_read(struct sunxi_rsb *rsb, u8 rtaddr, u8 addr,
 	if (ret)
 		goto unlock;
 
-	*buf = readl(rsb->regs + RSB_DATA);
+	*buf = readl(rsb->regs + RSB_DATA) & GENMASK(len * 8 - 1, 0);
 
 unlock:
 	mutex_unlock(&rsb->lock);
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 5d509ccf1299..74044b52d2c6 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -2646,7 +2646,9 @@ get_guid(ipmi_smi_t intf)
 	if (rv)
 		/* Send failed, no GUID available. */
 		intf->bmc->guid_set = 0;
-	wait_event(intf->waitq, intf->bmc->guid_set != 2);
+	else
+		wait_event(intf->waitq, intf->bmc->guid_set != 2);
+
 	intf->null_user_handler = NULL;
 }
 
diff --git a/drivers/clk/at91/clk-usb.c b/drivers/clk/at91/clk-usb.c
index 791770a563fc..6fac6383d024 100644
--- a/drivers/clk/at91/clk-usb.c
+++ b/drivers/clk/at91/clk-usb.c
@@ -78,6 +78,9 @@ static int at91sam9x5_clk_usb_determine_rate(struct clk_hw *hw,
 			tmp_parent_rate = req->rate * div;
 			tmp_parent_rate = clk_hw_round_rate(parent,
 							   tmp_parent_rate);
+			if (!tmp_parent_rate)
+				continue;
+
 			tmp_rate = DIV_ROUND_CLOSEST(tmp_parent_rate, div);
 			if (tmp_rate < req->rate)
 				tmp_diff = req->rate - tmp_rate;
diff --git a/drivers/clk/tegra/clk-tegra-pmc.c b/drivers/clk/tegra/clk-tegra-pmc.c
index 91377abfefa1..17a04300f93b 100644
--- a/drivers/clk/tegra/clk-tegra-pmc.c
+++ b/drivers/clk/tegra/clk-tegra-pmc.c
@@ -60,16 +60,16 @@ struct pmc_clk_init_data {
 
 static DEFINE_SPINLOCK(clk_out_lock);
 
-static const char *clk_out1_parents[] = { "clk_m", "clk_m_div2",
-	"clk_m_div4", "extern1",
+static const char *clk_out1_parents[] = { "osc", "osc_div2",
+	"osc_div4", "extern1",
 };
 
-static const char *clk_out2_parents[] = { "clk_m", "clk_m_div2",
-	"clk_m_div4", "extern2",
+static const char *clk_out2_parents[] = { "osc", "osc_div2",
+	"osc_div4", "extern2",
 };
 
-static const char *clk_out3_parents[] = { "clk_m", "clk_m_div2",
-	"clk_m_div4", "extern3",
+static const char *clk_out3_parents[] = { "osc", "osc_div2",
+	"osc_div4", "extern3",
 };
 
 static struct pmc_clk_init_data pmc_clks[] = {
diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c
index a1d7fa48229d..b4fc65512aad 100644
--- a/drivers/cpufreq/powernv-cpufreq.c
+++ b/drivers/cpufreq/powernv-cpufreq.c
@@ -955,6 +955,12 @@ static int init_chip_info(void)
 
 static inline void clean_chip_info(void)
 {
+	int i;
+
+	/* flush any pending work items */
+	if (chips)
+		for (i = 0; i < nr_chips; i++)
+			cancel_work_sync(&chips[i].throttle);
 	kfree(chips);
 }
 
diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c
index b4bd34429cc1..78212ba16eeb 100644
--- a/drivers/crypto/mxs-dcp.c
+++ b/drivers/crypto/mxs-dcp.c
@@ -25,6 +25,7 @@
 #include <crypto/sha.h>
 #include <crypto/internal/hash.h>
 #include <crypto/internal/skcipher.h>
+#include <crypto/scatterwalk.h>
 
 #define DCP_MAX_CHANS	4
 #define DCP_BUF_SZ	PAGE_SIZE
@@ -621,49 +622,46 @@ static int dcp_sha_req_to_buf(struct crypto_async_request *arq)
 	struct dcp_async_ctx *actx = crypto_ahash_ctx(tfm);
 	struct dcp_sha_req_ctx *rctx = ahash_request_ctx(req);
 	struct hash_alg_common *halg = crypto_hash_alg_common(tfm);
-	const int nents = sg_nents(req->src);
 
 	uint8_t *in_buf = sdcp->coh->sha_in_buf;
 	uint8_t *out_buf = sdcp->coh->sha_out_buf;
 
-	uint8_t *src_buf;
-
 	struct scatterlist *src;
 
-	unsigned int i, len, clen;
+	unsigned int i, len, clen, oft = 0;
 	int ret;
 
 	int fin = rctx->fini;
 	if (fin)
 		rctx->fini = 0;
 
-	for_each_sg(req->src, src, nents, i) {
-		src_buf = sg_virt(src);
-		len = sg_dma_len(src);
-
-		do {
-			if (actx->fill + len > DCP_BUF_SZ)
-				clen = DCP_BUF_SZ - actx->fill;
-			else
-				clen = len;
-
-			memcpy(in_buf + actx->fill, src_buf, clen);
-			len -= clen;
-			src_buf += clen;
-			actx->fill += clen;
+	src = req->src;
+	len = req->nbytes;
 
-			/*
-			 * If we filled the buffer and still have some
-			 * more data, submit the buffer.
-			 */
-			if (len && actx->fill == DCP_BUF_SZ) {
-				ret = mxs_dcp_run_sha(req);
-				if (ret)
-					return ret;
-				actx->fill = 0;
-				rctx->init = 0;
-			}
-		} while (len);
+	while (len) {
+		if (actx->fill + len > DCP_BUF_SZ)
+			clen = DCP_BUF_SZ - actx->fill;
+		else
+			clen = len;
+
+		scatterwalk_map_and_copy(in_buf + actx->fill, src, oft, clen,
+					 0);
+
+		len -= clen;
+		oft += clen;
+		actx->fill += clen;
+
+		/*
+		 * If we filled the buffer and still have some
+		 * more data, submit the buffer.
+		 */
+		if (len && actx->fill == DCP_BUF_SZ) {
+			ret = mxs_dcp_run_sha(req);
+			if (ret)
+				return ret;
+			actx->fill = 0;
+			rctx->init = 0;
+		}
 	}
 
 	if (fin) {
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 505dead07619..73d02f6089d5 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1232,31 +1232,14 @@ int gpiochip_add_data(struct gpio_chip *chip, void *data)
 		struct gpio_desc *desc = &gdev->descs[i];
 
 		desc->gdev = gdev;
-		/*
-		 * REVISIT: most hardware initializes GPIOs as inputs
-		 * (often with pullups enabled) so power usage is
-		 * minimized. Linux code should set the gpio direction
-		 * first thing; but until it does, and in case
-		 * chip->get_direction is not set, we may expose the
-		 * wrong direction in sysfs.
-		 */
-
-		if (chip->get_direction) {
-			/*
-			 * If we have .get_direction, set up the initial
-			 * direction flag from the hardware.
-			 */
-			int dir = chip->get_direction(chip, i);
 
-			if (!dir)
-				set_bit(FLAG_IS_OUT, &desc->flags);
-		} else if (!chip->direction_input) {
-			/*
-			 * If the chip lacks the .direction_input callback
-			 * we logically assume all lines are outputs.
-			 */
-			set_bit(FLAG_IS_OUT, &desc->flags);
-		}
+		/* REVISIT: most hardware initializes GPIOs as inputs (often
+		 * with pullups enabled) so power usage is minimized. Linux
+		 * code should set the gpio direction first thing; but until
+		 * it does, and in case chip->get_direction is not set, we may
+		 * expose the wrong direction in sysfs.
+		 */
+		desc->flags = !chip->direction_input ? (1 << FLAG_IS_OUT) : 0;
 	}
 
 #ifdef CONFIG_PINCTRL
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 592ebcd440b6..41e67e983a7f 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -1041,10 +1041,12 @@ static bool drm_dp_port_setup_pdt(struct drm_dp_mst_port *port)
 		lct = drm_dp_calculate_rad(port, rad);
 
 		port->mstb = drm_dp_add_mst_branch_device(lct, rad);
-		port->mstb->mgr = port->mgr;
-		port->mstb->port_parent = port;
+		if (port->mstb) {
+			port->mstb->mgr = port->mgr;
+			port->mstb->port_parent = port;
 
-		send_link = true;
+			send_link = true;
+		}
 		break;
 	}
 	return send_link;
@@ -2034,6 +2036,7 @@ int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool ms
 	int ret = 0;
 	struct drm_dp_mst_branch *mstb = NULL;
 
+	mutex_lock(&mgr->payload_lock);
 	mutex_lock(&mgr->lock);
 	if (mst_state == mgr->mst_state)
 		goto out_unlock;
@@ -2096,7 +2099,10 @@ int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool ms
 		/* this can fail if the device is gone */
 		drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL, 0);
 		ret = 0;
-		memset(mgr->payloads, 0, mgr->max_payloads * sizeof(struct drm_dp_payload));
+		memset(mgr->payloads, 0,
+		       mgr->max_payloads * sizeof(mgr->payloads[0]));
+		memset(mgr->proposed_vcpis, 0,
+		       mgr->max_payloads * sizeof(mgr->proposed_vcpis[0]));
 		mgr->payload_mask = 0;
 		set_bit(0, &mgr->payload_mask);
 		mgr->vcpi_mask = 0;
@@ -2104,6 +2110,7 @@ int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool ms
 
 out_unlock:
 	mutex_unlock(&mgr->lock);
+	mutex_unlock(&mgr->payload_lock);
 	if (mstb)
 		drm_dp_put_mst_branch_device(mstb);
 	return ret;
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c
index 3ceea9cb9d3e..d5de4dd19701 100644
--- a/drivers/gpu/drm/drm_pci.c
+++ b/drivers/gpu/drm/drm_pci.c
@@ -42,8 +42,6 @@
 drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size, size_t align)
 {
 	drm_dma_handle_t *dmah;
-	unsigned long addr;
-	size_t sz;
 
 	/* pci_alloc_consistent only guarantees alignment to the smallest
 	 * PAGE_SIZE order which is greater than or equal to the requested size.
@@ -57,22 +55,13 @@ drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size, size_t ali
 		return NULL;
 
 	dmah->size = size;
-	dmah->vaddr = dma_alloc_coherent(&dev->pdev->dev, size, &dmah->busaddr, GFP_KERNEL | __GFP_COMP);
+	dmah->vaddr = dma_alloc_coherent(&dev->pdev->dev, size, &dmah->busaddr, GFP_KERNEL);
 
 	if (dmah->vaddr == NULL) {
 		kfree(dmah);
 		return NULL;
 	}
 
-	memset(dmah->vaddr, 0, size);
-
-	/* XXX - Is virt_to_page() legal for consistent mem? */
-	/* Reserve */
-	for (addr = (unsigned long)dmah->vaddr, sz = size;
-	     sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) {
-		SetPageReserved(virt_to_page((void *)addr));
-	}
-
 	return dmah;
 }
 
@@ -85,19 +74,9 @@ EXPORT_SYMBOL(drm_pci_alloc);
  */
 void __drm_legacy_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
 {
-	unsigned long addr;
-	size_t sz;
-
-	if (dmah->vaddr) {
-		/* XXX - Is virt_to_page() legal for consistent mem? */
-		/* Unreserve */
-		for (addr = (unsigned long)dmah->vaddr, sz = dmah->size;
-		     sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) {
-			ClearPageReserved(virt_to_page((void *)addr));
-		}
+	if (dmah->vaddr)
 		dma_free_coherent(&dev->pdev->dev, dmah->size, dmah->vaddr,
 				  dmah->busaddr);
-	}
 }
 
 /**
diff --git a/drivers/i2c/busses/i2c-st.c b/drivers/i2c/busses/i2c-st.c
index 1371547ce1a3..185653b8ec3a 100644
--- a/drivers/i2c/busses/i2c-st.c
+++ b/drivers/i2c/busses/i2c-st.c
@@ -437,6 +437,7 @@ static void st_i2c_wr_fill_tx_fifo(struct st_i2c_dev *i2c_dev)
 /**
  * st_i2c_rd_fill_tx_fifo() - Fill the Tx FIFO in read mode
  * @i2c_dev: Controller's private data
+ * @max: Maximum amount of data to fill into the Tx FIFO
  *
  * This functions fills the Tx FIFO with fixed pattern when
  * in read mode to trigger clock.
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 34be09651ee8..a4e76084a2af 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -534,6 +534,17 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
 			DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
 		},
 	},
+	{
+		/*
+		 * Acer Aspire 5738z
+		 * Touchpad stops working in mux mode when dis- + re-enabled
+		 * with the touchpad enable/disable toggle hotkey
+		 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
+		},
+	},
 	{ }
 };
 
diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h
index 0d91785ebdc3..da3fbf82d1cf 100644
--- a/drivers/iommu/amd_iommu_types.h
+++ b/drivers/iommu/amd_iommu_types.h
@@ -329,7 +329,7 @@
 
 #define DTE_GCR3_VAL_A(x)	(((x) >> 12) & 0x00007ULL)
 #define DTE_GCR3_VAL_B(x)	(((x) >> 15) & 0x0ffffULL)
-#define DTE_GCR3_VAL_C(x)	(((x) >> 31) & 0xfffffULL)
+#define DTE_GCR3_VAL_C(x)	(((x) >> 31) & 0x1fffffULL)
 
 #define DTE_GCR3_INDEX_A	0
 #define DTE_GCR3_INDEX_B	1
diff --git a/drivers/irqchip/irq-versatile-fpga.c b/drivers/irqchip/irq-versatile-fpga.c
index 37dd4645bf18..b075409a06a9 100644
--- a/drivers/irqchip/irq-versatile-fpga.c
+++ b/drivers/irqchip/irq-versatile-fpga.c
@@ -5,6 +5,7 @@
 #include <linux/irq.h>
 #include <linux/io.h>
 #include <linux/irqchip.h>
+#include <linux/irqchip/chained_irq.h>
 #include <linux/irqchip/versatile-fpga.h>
 #include <linux/irqdomain.h>
 #include <linux/module.h>
@@ -67,12 +68,16 @@ static void fpga_irq_unmask(struct irq_data *d)
 
 static void fpga_irq_handle(struct irq_desc *desc)
 {
+	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct fpga_irq_data *f = irq_desc_get_handler_data(desc);
-	u32 status = readl(f->base + IRQ_STATUS);
+	u32 status;
+
+	chained_irq_enter(chip, desc);
 
+	status = readl(f->base + IRQ_STATUS);
 	if (status == 0) {
 		do_bad_IRQ(desc);
-		return;
+		goto out;
 	}
 
 	do {
@@ -81,6 +86,9 @@ static void fpga_irq_handle(struct irq_desc *desc)
 		status &= ~(1 << irq);
 		generic_handle_irq(irq_find_mapping(f->domain, irq));
 	} while (status);
+
+out:
+	chained_irq_exit(chip, desc);
 }
 
 /*
@@ -203,6 +211,9 @@ int __init fpga_irq_of_init(struct device_node *node,
 	if (of_property_read_u32(node, "valid-mask", &valid_mask))
 		valid_mask = 0;
 
+	writel(clear_mask, base + IRQ_ENABLE_CLEAR);
+	writel(clear_mask, base + FIQ_ENABLE_CLEAR);
+
 	/* Some chips are cascaded from a parent IRQ */
 	parent_irq = irq_of_parse_and_map(node, 0);
 	if (!parent_irq) {
@@ -212,9 +223,6 @@ int __init fpga_irq_of_init(struct device_node *node,
 
 	fpga_irq_init(base, node->name, 0, parent_irq, valid_mask, node);
 
-	writel(clear_mask, base + IRQ_ENABLE_CLEAR);
-	writel(clear_mask, base + FIQ_ENABLE_CLEAR);
-
 	/*
 	 * On Versatile AB/PB, some secondary interrupts have a direct
 	 * pass-thru to the primary controller for IRQs 20 and 22-31 which need
diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index 742c1fa870da..36a98f4db056 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -69,6 +69,11 @@ static int parse_features(struct dm_arg_set *as, struct flakey_c *fc,
 		arg_name = dm_shift_arg(as);
 		argc--;
 
+		if (!arg_name) {
+			ti->error = "Insufficient feature arguments";
+			return -EINVAL;
+		}
+
 		/*
 		 * drop_writes
 		 */
diff --git a/drivers/md/dm-verity-fec.c b/drivers/md/dm-verity-fec.c
index 78f36012eaca..8f9957d31a3e 100644
--- a/drivers/md/dm-verity-fec.c
+++ b/drivers/md/dm-verity-fec.c
@@ -563,6 +563,7 @@ void verity_fec_dtr(struct dm_verity *v)
 	mempool_destroy(f->rs_pool);
 	mempool_destroy(f->prealloc_pool);
 	mempool_destroy(f->extra_pool);
+	mempool_destroy(f->output_pool);
 	kmem_cache_destroy(f->cache);
 
 	if (f->data_bufio)
diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c
index 44323cb5d287..563b9636ab63 100644
--- a/drivers/media/platform/ti-vpe/cal.c
+++ b/drivers/media/platform/ti-vpe/cal.c
@@ -548,16 +548,16 @@ static void enable_irqs(struct cal_ctx *ctx)
 
 static void disable_irqs(struct cal_ctx *ctx)
 {
+	u32 val;
+
 	/* Disable IRQ_WDMA_END 0/1 */
-	reg_write_field(ctx->dev,
-			CAL_HL_IRQENABLE_CLR(2),
-			CAL_HL_IRQ_CLEAR,
-			CAL_HL_IRQ_MASK(ctx->csi2_port));
+	val = 0;
+	set_field(&val, CAL_HL_IRQ_CLEAR, CAL_HL_IRQ_MASK(ctx->csi2_port));
+	reg_write(ctx->dev, CAL_HL_IRQENABLE_CLR(2), val);
 	/* Disable IRQ_WDMA_START 0/1 */
-	reg_write_field(ctx->dev,
-			CAL_HL_IRQENABLE_CLR(3),
-			CAL_HL_IRQ_CLEAR,
-			CAL_HL_IRQ_MASK(ctx->csi2_port));
+	val = 0;
+	set_field(&val, CAL_HL_IRQ_CLEAR, CAL_HL_IRQ_MASK(ctx->csi2_port));
+	reg_write(ctx->dev, CAL_HL_IRQENABLE_CLR(3), val);
 	/* Todo: Add VC_IRQ and CSI2_COMPLEXIO_IRQ handling */
 	reg_write(ctx->dev, CAL_CSI2_VC_IRQENABLE(1), 0);
 }
diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c
index 95d0f2df0ad4..672831d5ee32 100644
--- a/drivers/mfd/dln2.c
+++ b/drivers/mfd/dln2.c
@@ -93,6 +93,11 @@ struct dln2_mod_rx_slots {
 	spinlock_t lock;
 };
 
+enum dln2_endpoint {
+	DLN2_EP_OUT	= 0,
+	DLN2_EP_IN	= 1,
+};
+
 struct dln2_dev {
 	struct usb_device *usb_dev;
 	struct usb_interface *interface;
@@ -740,10 +745,10 @@ static int dln2_probe(struct usb_interface *interface,
 	    hostif->desc.bNumEndpoints < 2)
 		return -ENODEV;
 
-	epin = &hostif->endpoint[0].desc;
-	epout = &hostif->endpoint[1].desc;
+	epout = &hostif->endpoint[DLN2_EP_OUT].desc;
 	if (!usb_endpoint_is_bulk_out(epout))
 		return -ENODEV;
+	epin = &hostif->endpoint[DLN2_EP_IN].desc;
 	if (!usb_endpoint_is_bulk_in(epin))
 		return -ENODEV;
 
diff --git a/drivers/mfd/rts5227.c b/drivers/mfd/rts5227.c
index ff296a4bf3d2..dc6a9432a4b6 100644
--- a/drivers/mfd/rts5227.c
+++ b/drivers/mfd/rts5227.c
@@ -369,6 +369,7 @@ static const struct pcr_ops rts522a_pcr_ops = {
 void rts522a_init_params(struct rtsx_pcr *pcr)
 {
 	rts5227_init_params(pcr);
+	pcr->ops = &rts522a_pcr_ops;
 
 	pcr->reg_pm_ctrl3 = RTS522A_PM_CTRL3;
 }
diff --git a/drivers/misc/echo/echo.c b/drivers/misc/echo/echo.c
index 9597e9523cac..fff13176f9b8 100644
--- a/drivers/misc/echo/echo.c
+++ b/drivers/misc/echo/echo.c
@@ -454,7 +454,7 @@ int16_t oslec_update(struct oslec_state *ec, int16_t tx, int16_t rx)
 	 */
 	ec->factor = 0;
 	ec->shift = 0;
-	if ((ec->nonupdate_dwell == 0)) {
+	if (!ec->nonupdate_dwell) {
 		int p, logp, shift;
 
 		/* Determine:
diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
index 8b66e52ca3cc..9734e6903fe6 100644
--- a/drivers/mtd/devices/phram.c
+++ b/drivers/mtd/devices/phram.c
@@ -247,22 +247,25 @@ static int phram_setup(const char *val)
 
 	ret = parse_num64(&start, token[1]);
 	if (ret) {
-		kfree(name);
 		parse_err("illegal start address\n");
+		goto error;
 	}
 
 	ret = parse_num64(&len, token[2]);
 	if (ret) {
-		kfree(name);
 		parse_err("illegal device length\n");
+		goto error;
 	}
 
 	ret = register_device(name, start, len);
-	if (!ret)
-		pr_info("%s device: %#llx at %#llx\n", name, len, start);
-	else
-		kfree(name);
+	if (ret)
+		goto error;
+
+	pr_info("%s device: %#llx at %#llx\n", name, len, start);
+	return 0;
 
+error:
+	kfree(name);
 	return ret;
 }
 
diff --git a/drivers/mtd/lpddr/lpddr_cmds.c b/drivers/mtd/lpddr/lpddr_cmds.c
index 018c75faadb3..e1c283ccbbde 100644
--- a/drivers/mtd/lpddr/lpddr_cmds.c
+++ b/drivers/mtd/lpddr/lpddr_cmds.c
@@ -81,7 +81,6 @@ struct mtd_info *lpddr_cmdset(struct map_info *map)
 	shared = kmalloc(sizeof(struct flchip_shared) * lpddr->numchips,
 						GFP_KERNEL);
 	if (!shared) {
-		kfree(lpddr);
 		kfree(mtd);
 		return NULL;
 	}
diff --git a/drivers/net/ethernet/neterion/vxge/vxge-config.h b/drivers/net/ethernet/neterion/vxge/vxge-config.h
index 6ce4412fcc1a..380e841fdd95 100644
--- a/drivers/net/ethernet/neterion/vxge/vxge-config.h
+++ b/drivers/net/ethernet/neterion/vxge/vxge-config.h
@@ -2065,7 +2065,7 @@ vxge_hw_vpath_strip_fcs_check(struct __vxge_hw_device *hldev, u64 vpath_mask);
 	if ((level >= VXGE_ERR && VXGE_COMPONENT_LL & VXGE_DEBUG_ERR_MASK) ||  \
 	    (level >= VXGE_TRACE && VXGE_COMPONENT_LL & VXGE_DEBUG_TRACE_MASK))\
 		if ((mask & VXGE_DEBUG_MASK) == mask)			       \
-			printk(fmt "\n", __VA_ARGS__);			       \
+			printk(fmt "\n", ##__VA_ARGS__);		       \
 } while (0)
 #else
 #define vxge_debug_ll(level, mask, fmt, ...)
diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.h b/drivers/net/ethernet/neterion/vxge/vxge-main.h
index 3a79d93b8445..5b535aa10d23 100644
--- a/drivers/net/ethernet/neterion/vxge/vxge-main.h
+++ b/drivers/net/ethernet/neterion/vxge/vxge-main.h
@@ -454,49 +454,49 @@ int vxge_fw_upgrade(struct vxgedev *vdev, char *fw_name, int override);
 
 #if (VXGE_DEBUG_LL_CONFIG & VXGE_DEBUG_MASK)
 #define vxge_debug_ll_config(level, fmt, ...) \
-	vxge_debug_ll(level, VXGE_DEBUG_LL_CONFIG, fmt, __VA_ARGS__)
+	vxge_debug_ll(level, VXGE_DEBUG_LL_CONFIG, fmt, ##__VA_ARGS__)
 #else
 #define vxge_debug_ll_config(level, fmt, ...)
 #endif
 
 #if (VXGE_DEBUG_INIT & VXGE_DEBUG_MASK)
 #define vxge_debug_init(level, fmt, ...) \
-	vxge_debug_ll(level, VXGE_DEBUG_INIT, fmt, __VA_ARGS__)
+	vxge_debug_ll(level, VXGE_DEBUG_INIT, fmt, ##__VA_ARGS__)
 #else
 #define vxge_debug_init(level, fmt, ...)
 #endif
 
 #if (VXGE_DEBUG_TX & VXGE_DEBUG_MASK)
 #define vxge_debug_tx(level, fmt, ...) \
-	vxge_debug_ll(level, VXGE_DEBUG_TX, fmt, __VA_ARGS__)
+	vxge_debug_ll(level, VXGE_DEBUG_TX, fmt, ##__VA_ARGS__)
 #else
 #define vxge_debug_tx(level, fmt, ...)
 #endif
 
 #if (VXGE_DEBUG_RX & VXGE_DEBUG_MASK)
 #define vxge_debug_rx(level, fmt, ...) \
-	vxge_debug_ll(level, VXGE_DEBUG_RX, fmt, __VA_ARGS__)
+	vxge_debug_ll(level, VXGE_DEBUG_RX, fmt, ##__VA_ARGS__)
 #else
 #define vxge_debug_rx(level, fmt, ...)
 #endif
 
 #if (VXGE_DEBUG_MEM & VXGE_DEBUG_MASK)
 #define vxge_debug_mem(level, fmt, ...) \
-	vxge_debug_ll(level, VXGE_DEBUG_MEM, fmt, __VA_ARGS__)
+	vxge_debug_ll(level, VXGE_DEBUG_MEM, fmt, ##__VA_ARGS__)
 #else
 #define vxge_debug_mem(level, fmt, ...)
 #endif
 
 #if (VXGE_DEBUG_ENTRYEXIT & VXGE_DEBUG_MASK)
 #define vxge_debug_entryexit(level, fmt, ...) \
-	vxge_debug_ll(level, VXGE_DEBUG_ENTRYEXIT, fmt, __VA_ARGS__)
+	vxge_debug_ll(level, VXGE_DEBUG_ENTRYEXIT, fmt, ##__VA_ARGS__)
 #else
 #define vxge_debug_entryexit(level, fmt, ...)
 #endif
 
 #if (VXGE_DEBUG_INTR & VXGE_DEBUG_MASK)
 #define vxge_debug_intr(level, fmt, ...) \
-	vxge_debug_ll(level, VXGE_DEBUG_INTR, fmt, __VA_ARGS__)
+	vxge_debug_ll(level, VXGE_DEBUG_INTR, fmt, ##__VA_ARGS__)
 #else
 #define vxge_debug_intr(level, fmt, ...)
 #endif
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
index 07f9067affc6..cda5b0a9e948 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
@@ -1720,7 +1720,7 @@ static int qlcnic_83xx_get_reset_instruction_template(struct qlcnic_adapter *p_d
 
 	ahw->reset.seq_error = 0;
 	ahw->reset.buff = kzalloc(QLC_83XX_RESTART_TEMPLATE_SIZE, GFP_KERNEL);
-	if (p_dev->ahw->reset.buff == NULL)
+	if (ahw->reset.buff == NULL)
 		return -ENOMEM;
 
 	p_buff = p_dev->ahw->reset.buff;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index abc997427bae..58af2fe5be3c 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1455,6 +1455,9 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 		ath_chanctx_set_channel(sc, ctx, &hw->conf.chandef);
 	}
 
+	if (changed & IEEE80211_CONF_CHANGE_POWER)
+		ath9k_set_txpower(sc, NULL);
+
 	mutex_unlock(&sc->mutex);
 	ath9k_ps_restore(sc);
 
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index 5e4058a4037b..cbf3958d788a 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -1091,7 +1091,7 @@ static const struct file_operations fops_ssid = {
 };
 
 /*---------temp------------*/
-static void print_temp(struct seq_file *s, const char *prefix, u32 t)
+static void print_temp(struct seq_file *s, const char *prefix, s32 t)
 {
 	switch (t) {
 	case 0:
@@ -1099,7 +1099,8 @@ static void print_temp(struct seq_file *s, const char *prefix, u32 t)
 		seq_printf(s, "%s N/A\n", prefix);
 	break;
 	default:
-		seq_printf(s, "%s %d.%03d\n", prefix, t / 1000, t % 1000);
+		seq_printf(s, "%s %s%d.%03d\n", prefix, (t < 0 ? "-" : ""),
+			   abs(t / 1000), abs(t % 1000));
 		break;
 	}
 }
@@ -1107,7 +1108,7 @@ static void print_temp(struct seq_file *s, const char *prefix, u32 t)
 static int wil_temp_debugfs_show(struct seq_file *s, void *data)
 {
 	struct wil6210_priv *wil = s->private;
-	u32 t_m, t_r;
+	s32 t_m, t_r;
 	int rc = wmi_get_temperature(wil, &t_m, &t_r);
 
 	if (rc) {
diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c
index 64046e0bd0a2..a37533cffc7c 100644
--- a/drivers/net/wireless/ath/wil6210/interrupt.c
+++ b/drivers/net/wireless/ath/wil6210/interrupt.c
@@ -356,6 +356,25 @@ static void wil_cache_mbox_regs(struct wil6210_priv *wil)
 	wil_mbox_ring_le2cpus(&wil->mbox_ctl.tx);
 }
 
+static bool wil_validate_mbox_regs(struct wil6210_priv *wil)
+{
+	size_t min_size = sizeof(struct wil6210_mbox_hdr) +
+		sizeof(struct wmi_cmd_hdr);
+
+	if (wil->mbox_ctl.rx.entry_size < min_size) {
+		wil_err(wil, "rx mbox entry too small (%d)\n",
+			wil->mbox_ctl.rx.entry_size);
+		return false;
+	}
+	if (wil->mbox_ctl.tx.entry_size < min_size) {
+		wil_err(wil, "tx mbox entry too small (%d)\n",
+			wil->mbox_ctl.tx.entry_size);
+		return false;
+	}
+
+	return true;
+}
+
 static irqreturn_t wil6210_irq_misc(int irq, void *cookie)
 {
 	struct wil6210_priv *wil = cookie;
@@ -391,7 +410,8 @@ static irqreturn_t wil6210_irq_misc(int irq, void *cookie)
 	if (isr & ISR_MISC_FW_READY) {
 		wil_dbg_irq(wil, "IRQ: FW ready\n");
 		wil_cache_mbox_regs(wil);
-		set_bit(wil_status_mbox_ready, wil->status);
+		if (wil_validate_mbox_regs(wil))
+			set_bit(wil_status_mbox_ready, wil->status);
 		/**
 		 * Actual FW ready indicated by the
 		 * WMI_FW_READY_EVENTID
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index f8bce58d48cc..12b4c6f00372 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -803,7 +803,7 @@ static void wil_bl_crash_info(struct wil6210_priv *wil, bool is_err)
 
 static int wil_wait_for_fw_ready(struct wil6210_priv *wil)
 {
-	ulong to = msecs_to_jiffies(1000);
+	ulong to = msecs_to_jiffies(2000);
 	ulong left = wait_for_completion_timeout(&wil->wmi_ready, to);
 
 	if (0 == left) {
diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c
index 4c38520d4dd2..72e8fea05e5e 100644
--- a/drivers/net/wireless/ath/wil6210/txrx.c
+++ b/drivers/net/wireless/ath/wil6210/txrx.c
@@ -546,8 +546,8 @@ static int wil_rx_refill(struct wil6210_priv *wil, int count)
 			v->swtail = next_tail) {
 		rc = wil_vring_alloc_skb(wil, v, v->swtail, headroom);
 		if (unlikely(rc)) {
-			wil_err(wil, "Error %d in wil_rx_refill[%d]\n",
-				rc, v->swtail);
+			wil_err_ratelimited(wil, "Error %d in rx refill[%d]\n",
+					    rc, v->swtail);
 			break;
 		}
 	}
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index 61419d1b4543..3f6ac1ca0e57 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -209,7 +209,7 @@ static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
 	uint retry;
 	int rc = 0;
 
-	if (sizeof(cmd) + len > r->entry_size) {
+	if (len > r->entry_size - sizeof(cmd)) {
 		wil_err(wil, "WMI size too large: %d bytes, max is %d\n",
 			(int)(sizeof(cmd) + len), r->entry_size);
 		return -ERANGE;
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index e9ec1da9935d..dd6924d21b8a 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -3060,9 +3060,9 @@ static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info)
 		param.no_vif = true;
 
 	if (info->attrs[HWSIM_ATTR_RADIO_NAME]) {
-		hwname = kasprintf(GFP_KERNEL, "%.*s",
-				   nla_len(info->attrs[HWSIM_ATTR_RADIO_NAME]),
-				   (char *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]));
+		hwname = kstrndup((char *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]),
+				  nla_len(info->attrs[HWSIM_ATTR_RADIO_NAME]),
+				  GFP_KERNEL);
 		if (!hwname)
 			return -ENOMEM;
 		param.hwname = hwname;
@@ -3101,9 +3101,9 @@ static int hwsim_del_radio_nl(struct sk_buff *msg, struct genl_info *info)
 	if (info->attrs[HWSIM_ATTR_RADIO_ID]) {
 		idx = nla_get_u32(info->attrs[HWSIM_ATTR_RADIO_ID]);
 	} else if (info->attrs[HWSIM_ATTR_RADIO_NAME]) {
-		hwname = kasprintf(GFP_KERNEL, "%.*s",
-				   nla_len(info->attrs[HWSIM_ATTR_RADIO_NAME]),
-				   (char *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]));
+		hwname = kstrndup((char *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]),
+				  nla_len(info->attrs[HWSIM_ATTR_RADIO_NAME]),
+				  GFP_KERNEL);
 		if (!hwname)
 			return -ENOMEM;
 	} else
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index 5768a4749564..65ac1d3870f9 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -851,8 +851,10 @@ static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm,
 			return -EFAULT;
 	}
 
-	if (!desc || (desc->out_num + desc->in_num == 0) ||
-			!test_bit(cmd, &cmd_mask))
+	if (!desc ||
+	    (desc->out_num + desc->in_num == 0) ||
+	    cmd > ND_CMD_CALL ||
+	    !test_bit(cmd, &cmd_mask))
 		return -ENOTTY;
 
 	/* fail write commands (when read-only) */
diff --git a/drivers/of/base.c b/drivers/of/base.c
index c66cdc4307fd..af80e3d34eda 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -170,9 +170,6 @@ int __of_attach_node_sysfs(struct device_node *np)
 	struct property *pp;
 	int rc;
 
-	if (!IS_ENABLED(CONFIG_SYSFS))
-		return 0;
-
 	if (!of_kset)
 		return 0;
 
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 92530525e355..aeb6d3009ae9 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -821,10 +821,13 @@ static void __init of_unittest_platform_populate(void)
 
 	of_platform_populate(np, match, NULL, &test_bus->dev);
 	for_each_child_of_node(np, child) {
-		for_each_child_of_node(child, grandchild)
-			unittest(of_find_device_by_node(grandchild),
+		for_each_child_of_node(child, grandchild) {
+			pdev = of_find_device_by_node(grandchild);
+			unittest(pdev,
 				 "Could not create device for node '%s'\n",
 				 grandchild->name);
+			of_dev_put(pdev);
+		}
 	}
 
 	of_platform_depopulate(&test_bus->dev);
diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c
index bccb3f595ff3..247be9155694 100644
--- a/drivers/power/supply/bq27xxx_battery.c
+++ b/drivers/power/supply/bq27xxx_battery.c
@@ -1031,7 +1031,10 @@ int bq27xxx_battery_setup(struct bq27xxx_device_info *di)
 
 	di->bat = power_supply_register_no_ws(di->dev, psy_desc, &psy_cfg);
 	if (IS_ERR(di->bat)) {
-		dev_err(di->dev, "failed to register battery\n");
+		if (PTR_ERR(di->bat) == -EPROBE_DEFER)
+			dev_dbg(di->dev, "failed to register battery, deferring probe\n");
+		else
+			dev_err(di->dev, "failed to register battery\n");
 		return PTR_ERR(di->bat);
 	}
 
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index bd5ca548c265..dd9751687760 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -559,9 +559,7 @@ static const struct pinctrl_ops rtc_pinctrl_ops = {
 	.dt_free_map = pinconf_generic_dt_free_map,
 };
 
-enum rtc_pin_config_param {
-	PIN_CONFIG_ACTIVE_HIGH = PIN_CONFIG_END + 1,
-};
+#define PIN_CONFIG_ACTIVE_HIGH		(PIN_CONFIG_END + 1)
 
 static const struct pinconf_generic_params rtc_params[] = {
 	{"ti,active-high", PIN_CONFIG_ACTIVE_HIGH, 0},
diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c
index a1b4b0ed1f19..3b619b7b2c53 100644
--- a/drivers/rtc/rtc-pm8xxx.c
+++ b/drivers/rtc/rtc-pm8xxx.c
@@ -74,16 +74,18 @@ struct pm8xxx_rtc {
 /*
  * Steps to write the RTC registers.
  * 1. Disable alarm if enabled.
- * 2. Write 0x00 to LSB.
- * 3. Write Byte[1], Byte[2], Byte[3] then Byte[0].
- * 4. Enable alarm if disabled in step 1.
+ * 2. Disable rtc if enabled.
+ * 3. Write 0x00 to LSB.
+ * 4. Write Byte[1], Byte[2], Byte[3] then Byte[0].
+ * 5. Enable rtc if disabled in step 2.
+ * 6. Enable alarm if disabled in step 1.
  */
 static int pm8xxx_rtc_set_time(struct device *dev, struct rtc_time *tm)
 {
 	int rc, i;
 	unsigned long secs, irq_flags;
-	u8 value[NUM_8_BIT_RTC_REGS], alarm_enabled = 0;
-	unsigned int ctrl_reg;
+	u8 value[NUM_8_BIT_RTC_REGS], alarm_enabled = 0, rtc_disabled = 0;
+	unsigned int ctrl_reg, rtc_ctrl_reg;
 	struct pm8xxx_rtc *rtc_dd = dev_get_drvdata(dev);
 	const struct pm8xxx_rtc_regs *regs = rtc_dd->regs;
 
@@ -92,23 +94,38 @@ static int pm8xxx_rtc_set_time(struct device *dev, struct rtc_time *tm)
 
 	rtc_tm_to_time(tm, &secs);
 
+	dev_dbg(dev, "Seconds value to be written to RTC = %lu\n", secs);
+
 	for (i = 0; i < NUM_8_BIT_RTC_REGS; i++) {
 		value[i] = secs & 0xFF;
 		secs >>= 8;
 	}
 
-	dev_dbg(dev, "Seconds value to be written to RTC = %lu\n", secs);
-
 	spin_lock_irqsave(&rtc_dd->ctrl_reg_lock, irq_flags);
 
-	rc = regmap_read(rtc_dd->regmap, regs->ctrl, &ctrl_reg);
+	rc = regmap_read(rtc_dd->regmap, regs->alarm_ctrl, &ctrl_reg);
 	if (rc)
 		goto rtc_rw_fail;
 
 	if (ctrl_reg & regs->alarm_en) {
 		alarm_enabled = 1;
 		ctrl_reg &= ~regs->alarm_en;
-		rc = regmap_write(rtc_dd->regmap, regs->ctrl, ctrl_reg);
+		rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl, ctrl_reg);
+		if (rc) {
+			dev_err(dev, "Write to RTC Alarm control register failed\n");
+			goto rtc_rw_fail;
+		}
+	}
+
+	/* Disable RTC H/w before writing on RTC register */
+	rc = regmap_read(rtc_dd->regmap, regs->ctrl, &rtc_ctrl_reg);
+	if (rc)
+		goto rtc_rw_fail;
+
+	if (rtc_ctrl_reg & PM8xxx_RTC_ENABLE) {
+		rtc_disabled = 1;
+		rtc_ctrl_reg &= ~PM8xxx_RTC_ENABLE;
+		rc = regmap_write(rtc_dd->regmap, regs->ctrl, rtc_ctrl_reg);
 		if (rc) {
 			dev_err(dev, "Write to RTC control register failed\n");
 			goto rtc_rw_fail;
@@ -137,11 +154,21 @@ static int pm8xxx_rtc_set_time(struct device *dev, struct rtc_time *tm)
 		goto rtc_rw_fail;
 	}
 
+	/* Enable RTC H/w after writing on RTC register */
+	if (rtc_disabled) {
+		rtc_ctrl_reg |= PM8xxx_RTC_ENABLE;
+		rc = regmap_write(rtc_dd->regmap, regs->ctrl, rtc_ctrl_reg);
+		if (rc) {
+			dev_err(dev, "Write to RTC control register failed\n");
+			goto rtc_rw_fail;
+		}
+	}
+
 	if (alarm_enabled) {
 		ctrl_reg |= regs->alarm_en;
-		rc = regmap_write(rtc_dd->regmap, regs->ctrl, ctrl_reg);
+		rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl, ctrl_reg);
 		if (rc) {
-			dev_err(dev, "Write to RTC control register failed\n");
+			dev_err(dev, "Write to RTC Alarm control register failed\n");
 			goto rtc_rw_fail;
 		}
 	}
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index d5214c4eb9dd..d8aee54f6c26 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -747,7 +747,7 @@ static void zfcp_erp_enqueue_ptp_port(struct zfcp_adapter *adapter)
 				 adapter->peer_d_id);
 	if (IS_ERR(port)) /* error or port already attached */
 		return;
-	_zfcp_erp_port_reopen(port, 0, "ereptp1");
+	zfcp_erp_port_reopen(port, 0, "ereptp1");
 }
 
 static int zfcp_erp_adapter_strat_fsf_xconf(struct zfcp_erp_action *erp_action)
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 8d9b416399f9..c924df5538dd 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -809,8 +809,10 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp,
 			"sg_common_write:  scsi opcode=0x%02x, cmd_size=%d\n",
 			(int) cmnd[0], (int) hp->cmd_len));
 
-	if (hp->dxfer_len >= SZ_256M)
+	if (hp->dxfer_len >= SZ_256M) {
+		sg_remove_request(sfp, srp);
 		return -EINVAL;
+	}
 
 	k = sg_start_req(srp, cmnd);
 	if (k) {
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
index 51d559214db6..1fe193590b8b 100644
--- a/drivers/scsi/ufs/ufs-qcom.c
+++ b/drivers/scsi/ufs/ufs-qcom.c
@@ -1094,7 +1094,7 @@ static void ufs_qcom_advertise_quirks(struct ufs_hba *hba)
 		hba->quirks |= UFSHCD_QUIRK_BROKEN_LCC;
 	}
 
-	if (host->hw_ver.major >= 0x2) {
+	if (host->hw_ver.major == 0x2) {
 		hba->quirks |= UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION;
 
 		if (!ufs_qcom_cap_qunipro(host))
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 394df57894e6..50d15748084a 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -682,6 +682,11 @@ start:
 		 */
 		if (ufshcd_can_hibern8_during_gating(hba) &&
 		    ufshcd_is_link_hibern8(hba)) {
+			if (async) {
+				rc = -EAGAIN;
+				hba->clk_gating.active_reqs--;
+				break;
+			}
 			spin_unlock_irqrestore(hba->host->host_lock, flags);
 			flush_work(&hba->clk_gating.ungate_work);
 			spin_lock_irqsave(hba->host->host_lock, flags);
@@ -4392,19 +4397,30 @@ static irqreturn_t ufshcd_intr(int irq, void *__hba)
 	u32 intr_status, enabled_intr_status;
 	irqreturn_t retval = IRQ_NONE;
 	struct ufs_hba *hba = __hba;
+	int retries = hba->nutrs;
 
 	spin_lock(hba->host->host_lock);
 	intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
-	enabled_intr_status =
-		intr_status & ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
 
-	if (intr_status)
-		ufshcd_writel(hba, intr_status, REG_INTERRUPT_STATUS);
+	/*
+	 * There could be max of hba->nutrs reqs in flight and in worst case
+	 * if the reqs get finished 1 by 1 after the interrupt status is
+	 * read, make sure we handle them by checking the interrupt status
+	 * again in a loop until we process all of the reqs before returning.
+	 */
+	do {
+		enabled_intr_status =
+			intr_status & ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
+		if (intr_status)
+			ufshcd_writel(hba, intr_status, REG_INTERRUPT_STATUS);
+		if (enabled_intr_status) {
+			ufshcd_sl_intr(hba, enabled_intr_status);
+			retval = IRQ_HANDLED;
+		}
+
+		intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
+	} while (intr_status && --retries);
 
-	if (enabled_intr_status) {
-		ufshcd_sl_intr(hba, enabled_intr_status);
-		retval = IRQ_HANDLED;
-	}
 	spin_unlock(hba->host->host_lock);
 	return retval;
 }
diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c
index 18ec52f2078a..89dd50fa404f 100644
--- a/drivers/soc/qcom/smem.c
+++ b/drivers/soc/qcom/smem.c
@@ -646,7 +646,7 @@ static int qcom_smem_enumerate_partitions(struct qcom_smem *smem,
 			return -EINVAL;
 		}
 
-		if (header->size != entry->size) {
+		if (le32_to_cpu(header->size) != le32_to_cpu(entry->size)) {
 			dev_err(smem->dev,
 				"Partition %d has invalid size\n", i);
 			return -EINVAL;
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index b6c4f55f79e7..2b8fbcd8dde2 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -4321,30 +4321,37 @@ int iscsit_close_connection(
 	if (!atomic_read(&sess->session_reinstatement) &&
 	     atomic_read(&sess->session_fall_back_to_erl0)) {
 		spin_unlock_bh(&sess->conn_lock);
+		complete_all(&sess->session_wait_comp);
 		iscsit_close_session(sess);
 
 		return 0;
 	} else if (atomic_read(&sess->session_logout)) {
 		pr_debug("Moving to TARG_SESS_STATE_FREE.\n");
 		sess->session_state = TARG_SESS_STATE_FREE;
-		spin_unlock_bh(&sess->conn_lock);
 
-		if (atomic_read(&sess->sleep_on_sess_wait_comp))
-			complete(&sess->session_wait_comp);
+		if (atomic_read(&sess->session_close)) {
+			spin_unlock_bh(&sess->conn_lock);
+			complete_all(&sess->session_wait_comp);
+			iscsit_close_session(sess);
+		} else {
+			spin_unlock_bh(&sess->conn_lock);
+		}
 
 		return 0;
 	} else {
 		pr_debug("Moving to TARG_SESS_STATE_FAILED.\n");
 		sess->session_state = TARG_SESS_STATE_FAILED;
 
-		if (!atomic_read(&sess->session_continuation)) {
-			spin_unlock_bh(&sess->conn_lock);
+		if (!atomic_read(&sess->session_continuation))
 			iscsit_start_time2retain_handler(sess);
-		} else
-			spin_unlock_bh(&sess->conn_lock);
 
-		if (atomic_read(&sess->sleep_on_sess_wait_comp))
-			complete(&sess->session_wait_comp);
+		if (atomic_read(&sess->session_close)) {
+			spin_unlock_bh(&sess->conn_lock);
+			complete_all(&sess->session_wait_comp);
+			iscsit_close_session(sess);
+		} else {
+			spin_unlock_bh(&sess->conn_lock);
+		}
 
 		return 0;
 	}
@@ -4453,9 +4460,9 @@ static void iscsit_logout_post_handler_closesession(
 	complete(&conn->conn_logout_comp);
 
 	iscsit_dec_conn_usage_count(conn);
+	atomic_set(&sess->session_close, 1);
 	iscsit_stop_session(sess, sleep, sleep);
 	iscsit_dec_session_usage_count(sess);
-	iscsit_close_session(sess);
 }
 
 static void iscsit_logout_post_handler_samecid(
@@ -4590,49 +4597,6 @@ void iscsit_fail_session(struct iscsi_session *sess)
 	sess->session_state = TARG_SESS_STATE_FAILED;
 }
 
-int iscsit_free_session(struct iscsi_session *sess)
-{
-	u16 conn_count = atomic_read(&sess->nconn);
-	struct iscsi_conn *conn, *conn_tmp = NULL;
-	int is_last;
-
-	spin_lock_bh(&sess->conn_lock);
-	atomic_set(&sess->sleep_on_sess_wait_comp, 1);
-
-	list_for_each_entry_safe(conn, conn_tmp, &sess->sess_conn_list,
-			conn_list) {
-		if (conn_count == 0)
-			break;
-
-		if (list_is_last(&conn->conn_list, &sess->sess_conn_list)) {
-			is_last = 1;
-		} else {
-			iscsit_inc_conn_usage_count(conn_tmp);
-			is_last = 0;
-		}
-		iscsit_inc_conn_usage_count(conn);
-
-		spin_unlock_bh(&sess->conn_lock);
-		iscsit_cause_connection_reinstatement(conn, 1);
-		spin_lock_bh(&sess->conn_lock);
-
-		iscsit_dec_conn_usage_count(conn);
-		if (is_last == 0)
-			iscsit_dec_conn_usage_count(conn_tmp);
-
-		conn_count--;
-	}
-
-	if (atomic_read(&sess->nconn)) {
-		spin_unlock_bh(&sess->conn_lock);
-		wait_for_completion(&sess->session_wait_comp);
-	} else
-		spin_unlock_bh(&sess->conn_lock);
-
-	iscsit_close_session(sess);
-	return 0;
-}
-
 void iscsit_stop_session(
 	struct iscsi_session *sess,
 	int session_sleep,
@@ -4643,8 +4607,6 @@ void iscsit_stop_session(
 	int is_last;
 
 	spin_lock_bh(&sess->conn_lock);
-	if (session_sleep)
-		atomic_set(&sess->sleep_on_sess_wait_comp, 1);
 
 	if (connection_sleep) {
 		list_for_each_entry_safe(conn, conn_tmp, &sess->sess_conn_list,
@@ -4702,12 +4664,15 @@ int iscsit_release_sessions_for_tpg(struct iscsi_portal_group *tpg, int force)
 		spin_lock(&sess->conn_lock);
 		if (atomic_read(&sess->session_fall_back_to_erl0) ||
 		    atomic_read(&sess->session_logout) ||
+		    atomic_read(&sess->session_close) ||
 		    (sess->time2retain_timer_flags & ISCSI_TF_EXPIRED)) {
 			spin_unlock(&sess->conn_lock);
 			continue;
 		}
+		iscsit_inc_session_usage_count(sess);
 		atomic_set(&sess->session_reinstatement, 1);
 		atomic_set(&sess->session_fall_back_to_erl0, 1);
+		atomic_set(&sess->session_close, 1);
 		spin_unlock(&sess->conn_lock);
 
 		list_move_tail(&se_sess->sess_list, &free_list);
@@ -4717,7 +4682,9 @@ int iscsit_release_sessions_for_tpg(struct iscsi_portal_group *tpg, int force)
 	list_for_each_entry_safe(se_sess, se_sess_tmp, &free_list, sess_list) {
 		sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
 
-		iscsit_free_session(sess);
+		list_del_init(&se_sess->sess_list);
+		iscsit_stop_session(sess, 1, 1);
+		iscsit_dec_session_usage_count(sess);
 		session_count++;
 	}
 
diff --git a/drivers/target/iscsi/iscsi_target.h b/drivers/target/iscsi/iscsi_target.h
index 4cf2c0f2ba2f..cfe87b629a8b 100644
--- a/drivers/target/iscsi/iscsi_target.h
+++ b/drivers/target/iscsi/iscsi_target.h
@@ -30,7 +30,6 @@ extern int iscsi_target_rx_thread(void *);
 extern int iscsit_close_connection(struct iscsi_conn *);
 extern int iscsit_close_session(struct iscsi_session *);
 extern void iscsit_fail_session(struct iscsi_session *);
-extern int iscsit_free_session(struct iscsi_session *);
 extern void iscsit_stop_session(struct iscsi_session *, int, int);
 extern int iscsit_release_sessions_for_tpg(struct iscsi_portal_group *, int);
 
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
index 8a4bc15bc3f5..0718f688277a 100644
--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -1527,20 +1527,23 @@ static void lio_tpg_close_session(struct se_session *se_sess)
 	spin_lock(&sess->conn_lock);
 	if (atomic_read(&sess->session_fall_back_to_erl0) ||
 	    atomic_read(&sess->session_logout) ||
+	    atomic_read(&sess->session_close) ||
 	    (sess->time2retain_timer_flags & ISCSI_TF_EXPIRED)) {
 		spin_unlock(&sess->conn_lock);
 		spin_unlock_bh(&se_tpg->session_lock);
 		return;
 	}
+	iscsit_inc_session_usage_count(sess);
 	atomic_set(&sess->session_reinstatement, 1);
 	atomic_set(&sess->session_fall_back_to_erl0, 1);
+	atomic_set(&sess->session_close, 1);
 	spin_unlock(&sess->conn_lock);
 
 	iscsit_stop_time2retain_timer(sess);
 	spin_unlock_bh(&se_tpg->session_lock);
 
 	iscsit_stop_session(sess, 1, 1);
-	iscsit_close_session(sess);
+	iscsit_dec_session_usage_count(sess);
 }
 
 static u32 lio_tpg_get_inst_index(struct se_portal_group *se_tpg)
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index d2f82aaf6a85..985e600908e0 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -195,6 +195,7 @@ int iscsi_check_for_session_reinstatement(struct iscsi_conn *conn)
 		spin_lock(&sess_p->conn_lock);
 		if (atomic_read(&sess_p->session_fall_back_to_erl0) ||
 		    atomic_read(&sess_p->session_logout) ||
+		    atomic_read(&sess_p->session_close) ||
 		    (sess_p->time2retain_timer_flags & ISCSI_TF_EXPIRED)) {
 			spin_unlock(&sess_p->conn_lock);
 			continue;
@@ -205,6 +206,7 @@ int iscsi_check_for_session_reinstatement(struct iscsi_conn *conn)
 		   (sess_p->sess_ops->SessionType == sessiontype))) {
 			atomic_set(&sess_p->session_reinstatement, 1);
 			atomic_set(&sess_p->session_fall_back_to_erl0, 1);
+			atomic_set(&sess_p->session_close, 1);
 			spin_unlock(&sess_p->conn_lock);
 			iscsit_inc_session_usage_count(sess_p);
 			iscsit_stop_time2retain_timer(sess_p);
@@ -229,7 +231,6 @@ int iscsi_check_for_session_reinstatement(struct iscsi_conn *conn)
 	if (sess->session_state == TARG_SESS_STATE_FAILED) {
 		spin_unlock_bh(&sess->conn_lock);
 		iscsit_dec_session_usage_count(sess);
-		iscsit_close_session(sess);
 		return 0;
 	}
 	spin_unlock_bh(&sess->conn_lock);
@@ -237,7 +238,6 @@ int iscsi_check_for_session_reinstatement(struct iscsi_conn *conn)
 	iscsit_stop_session(sess, 1, 1);
 	iscsit_dec_session_usage_count(sess);
 
-	iscsit_close_session(sess);
 	return 0;
 }
 
@@ -525,6 +525,7 @@ static int iscsi_login_non_zero_tsih_s2(
 		sess_p = (struct iscsi_session *)se_sess->fabric_sess_ptr;
 		if (atomic_read(&sess_p->session_fall_back_to_erl0) ||
 		    atomic_read(&sess_p->session_logout) ||
+		    atomic_read(&sess_p->session_close) ||
 		   (sess_p->time2retain_timer_flags & ISCSI_TF_EXPIRED))
 			continue;
 		if (!memcmp(sess_p->isid, pdu->isid, 6) &&
diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c
index 7ac9bcdf1e61..1ba0dc11153d 100644
--- a/drivers/tty/ehv_bytechan.c
+++ b/drivers/tty/ehv_bytechan.c
@@ -139,6 +139,21 @@ static int find_console_handle(void)
 	return 1;
 }
 
+static unsigned int local_ev_byte_channel_send(unsigned int handle,
+					       unsigned int *count,
+					       const char *p)
+{
+	char buffer[EV_BYTE_CHANNEL_MAX_BYTES];
+	unsigned int c = *count;
+
+	if (c < sizeof(buffer)) {
+		memcpy(buffer, p, c);
+		memset(&buffer[c], 0, sizeof(buffer) - c);
+		p = buffer;
+	}
+	return ev_byte_channel_send(handle, count, p);
+}
+
 /*************************** EARLY CONSOLE DRIVER ***************************/
 
 #ifdef CONFIG_PPC_EARLY_DEBUG_EHV_BC
@@ -157,7 +172,7 @@ static void byte_channel_spin_send(const char data)
 
 	do {
 		count = 1;
-		ret = ev_byte_channel_send(CONFIG_PPC_EARLY_DEBUG_EHV_BC_HANDLE,
+		ret = local_ev_byte_channel_send(CONFIG_PPC_EARLY_DEBUG_EHV_BC_HANDLE,
 					   &count, &data);
 	} while (ret == EV_EAGAIN);
 }
@@ -224,7 +239,7 @@ static int ehv_bc_console_byte_channel_send(unsigned int handle, const char *s,
 	while (count) {
 		len = min_t(unsigned int, count, EV_BYTE_CHANNEL_MAX_BYTES);
 		do {
-			ret = ev_byte_channel_send(handle, &len, s);
+			ret = local_ev_byte_channel_send(handle, &len, s);
 		} while (ret == EV_EAGAIN);
 		count -= len;
 		s += len;
@@ -404,7 +419,7 @@ static void ehv_bc_tx_dequeue(struct ehv_bc_data *bc)
 			    CIRC_CNT_TO_END(bc->head, bc->tail, BUF_SIZE),
 			    EV_BYTE_CHANNEL_MAX_BYTES);
 
-		ret = ev_byte_channel_send(bc->handle, &len, bc->buf + bc->tail);
+		ret = local_ev_byte_channel_send(bc->handle, &len, bc->buf + bc->tail);
 
 		/* 'len' is valid only if the return code is 0 or EV_EAGAIN */
 		if (!ret || (ret == EV_EAGAIN))
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 3a0452ff1a56..2e545d025030 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -842,6 +842,11 @@ static int set_config(struct usb_composite_dev *cdev,
 	else
 		power = min(power, 900U);
 done:
+	if (power <= USB_SELF_POWER_VBUS_MAX_DRAW)
+		usb_gadget_set_selfpowered(gadget);
+	else
+		usb_gadget_clear_selfpowered(gadget);
+
 	usb_gadget_vbus_draw(gadget, power);
 	if (result >= 0 && cdev->delayed_status)
 		result = USB_GADGET_DELAYED_STATUS;
@@ -2273,6 +2278,7 @@ void composite_suspend(struct usb_gadget *gadget)
 
 	cdev->suspended = 1;
 
+	usb_gadget_set_selfpowered(gadget);
 	usb_gadget_vbus_draw(gadget, 2);
 }
 
@@ -2301,6 +2307,9 @@ void composite_resume(struct usb_gadget *gadget)
 		else
 			maxpower = min(maxpower, 900U);
 
+		if (maxpower > USB_SELF_POWER_VBUS_MAX_DRAW)
+			usb_gadget_clear_selfpowered(gadget);
+
 		usb_gadget_vbus_draw(gadget, maxpower);
 	}
 
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index b5747f1270a6..223b28cbf3c8 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1036,6 +1036,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
 
 		ret = usb_ep_queue(ep->ep, req, GFP_ATOMIC);
 		if (unlikely(ret)) {
+			io_data->req = NULL;
 			usb_ep_free_request(ep->ep, req);
 			goto error_lock;
 		}
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index c928190666ac..ae623cd04d6c 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -1132,7 +1132,7 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
 	case FBIOGET_FSCREENINFO:
 		if (!lock_fb_info(info))
 			return -ENODEV;
-		fix = info->fix;
+		memcpy(&fix, &info->fix, sizeof(fix));
 		unlock_fb_info(info);
 
 		ret = copy_to_user(argp, &fix, sizeof(fix)) ? -EFAULT : 0;
diff --git a/drivers/video/fbdev/sis/init301.c b/drivers/video/fbdev/sis/init301.c
index 20f7234e809e..c43b951cfb25 100644
--- a/drivers/video/fbdev/sis/init301.c
+++ b/drivers/video/fbdev/sis/init301.c
@@ -522,9 +522,7 @@ SiS_PanelDelay(struct SiS_Private *SiS_Pr, unsigned short DelayTime)
 	    SiS_DDC2Delay(SiS_Pr, 0x4000);
 	 }
 
-      } else if((SiS_Pr->SiS_IF_DEF_LVDS == 1) /* ||
-	 (SiS_Pr->SiS_CustomT == CUT_COMPAQ1280) ||
-	 (SiS_Pr->SiS_CustomT == CUT_CLEVO1400) */ ) {			/* 315 series, LVDS; Special */
+      } else if (SiS_Pr->SiS_IF_DEF_LVDS == 1) {			/* 315 series, LVDS; Special */
 
 	 if(SiS_Pr->SiS_IF_DEF_CH70xx == 0) {
 	    PanelID = SiS_GetReg(SiS_Pr->SiS_P3d4,0x36);
diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c
index a3de11d52ad0..5456937836b8 100644
--- a/fs/btrfs/async-thread.c
+++ b/fs/btrfs/async-thread.c
@@ -447,3 +447,11 @@ void btrfs_set_work_high_priority(struct btrfs_work *work)
 {
 	set_bit(WORK_HIGH_PRIO_BIT, &work->flags);
 }
+
+void btrfs_flush_workqueue(struct btrfs_workqueue *wq)
+{
+	if (wq->high)
+		flush_workqueue(wq->high->normal_wq);
+
+	flush_workqueue(wq->normal->normal_wq);
+}
diff --git a/fs/btrfs/async-thread.h b/fs/btrfs/async-thread.h
index 1f9597355c9d..a0f6986806a4 100644
--- a/fs/btrfs/async-thread.h
+++ b/fs/btrfs/async-thread.h
@@ -85,4 +85,6 @@ void btrfs_set_work_high_priority(struct btrfs_work *work);
 struct btrfs_fs_info *btrfs_work_owner(struct btrfs_work *work);
 struct btrfs_fs_info *btrfs_workqueue_owner(struct __btrfs_workqueue *wq);
 bool btrfs_workqueue_normal_congested(struct btrfs_workqueue *wq);
+void btrfs_flush_workqueue(struct btrfs_workqueue *wq);
+
 #endif
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 390053557d4d..1de017051928 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3825,6 +3825,19 @@ void close_ctree(struct btrfs_root *root)
 		 */
 		btrfs_delete_unused_bgs(root->fs_info);
 
+		/*
+		 * There might be existing delayed inode workers still running
+		 * and holding an empty delayed inode item. We must wait for
+		 * them to complete first because they can create a transaction.
+		 * This happens when someone calls btrfs_balance_delayed_items()
+		 * and then a transaction commit runs the same delayed nodes
+		 * before any delayed worker has done something with the nodes.
+		 * We must wait for any worker here and not at transaction
+		 * commit time since that could cause a deadlock.
+		 * This is a very rare case.
+		 */
+		btrfs_flush_workqueue(fs_info->delayed_workers);
+
 		ret = btrfs_commit_super(root);
 		if (ret)
 			btrfs_err(fs_info, "commit super ret %d", ret);
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index b106d365257d..1003b983a8d7 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -537,8 +537,8 @@ static int should_ignore_root(struct btrfs_root *root)
 	if (!reloc_root)
 		return 0;
 
-	if (btrfs_root_last_snapshot(&reloc_root->root_item) ==
-	    root->fs_info->running_transaction->transid - 1)
+	if (btrfs_header_generation(reloc_root->commit_root) ==
+	    root->fs_info->running_transaction->transid)
 		return 0;
 	/*
 	 * if there is reloc tree and it was created in previous
@@ -1185,7 +1185,7 @@ out:
 			free_backref_node(cache, lower);
 		}
 
-		free_backref_node(cache, node);
+		remove_backref_node(cache, node);
 		return ERR_PTR(err);
 	}
 	ASSERT(!node || !node->detached);
@@ -1296,7 +1296,7 @@ static int __must_check __add_reloc_root(struct btrfs_root *root)
 	if (!node)
 		return -ENOMEM;
 
-	node->bytenr = root->node->start;
+	node->bytenr = root->commit_root->start;
 	node->data = root;
 
 	spin_lock(&rc->reloc_root_tree.lock);
@@ -1328,10 +1328,11 @@ static void __del_reloc_root(struct btrfs_root *root)
 	if (rc && root->node) {
 		spin_lock(&rc->reloc_root_tree.lock);
 		rb_node = tree_search(&rc->reloc_root_tree.rb_root,
-				      root->node->start);
+				      root->commit_root->start);
 		if (rb_node) {
 			node = rb_entry(rb_node, struct mapping_node, rb_node);
 			rb_erase(&node->rb_node, &rc->reloc_root_tree.rb_root);
+			RB_CLEAR_NODE(&node->rb_node);
 		}
 		spin_unlock(&rc->reloc_root_tree.lock);
 		if (!node)
@@ -1349,7 +1350,7 @@ static void __del_reloc_root(struct btrfs_root *root)
  * helper to update the 'address of tree root -> reloc tree'
  * mapping
  */
-static int __update_reloc_root(struct btrfs_root *root, u64 new_bytenr)
+static int __update_reloc_root(struct btrfs_root *root)
 {
 	struct rb_node *rb_node;
 	struct mapping_node *node = NULL;
@@ -1357,7 +1358,7 @@ static int __update_reloc_root(struct btrfs_root *root, u64 new_bytenr)
 
 	spin_lock(&rc->reloc_root_tree.lock);
 	rb_node = tree_search(&rc->reloc_root_tree.rb_root,
-			      root->node->start);
+			      root->commit_root->start);
 	if (rb_node) {
 		node = rb_entry(rb_node, struct mapping_node, rb_node);
 		rb_erase(&node->rb_node, &rc->reloc_root_tree.rb_root);
@@ -1369,7 +1370,7 @@ static int __update_reloc_root(struct btrfs_root *root, u64 new_bytenr)
 	BUG_ON((struct btrfs_root *)node->data != root);
 
 	spin_lock(&rc->reloc_root_tree.lock);
-	node->bytenr = new_bytenr;
+	node->bytenr = root->node->start;
 	rb_node = tree_insert(&rc->reloc_root_tree.rb_root,
 			      node->bytenr, &node->rb_node);
 	spin_unlock(&rc->reloc_root_tree.lock);
@@ -1519,6 +1520,7 @@ int btrfs_update_reloc_root(struct btrfs_trans_handle *trans,
 	}
 
 	if (reloc_root->commit_root != reloc_root->node) {
+		__update_reloc_root(reloc_root);
 		btrfs_set_root_node(root_item, reloc_root->node);
 		free_extent_buffer(reloc_root->commit_root);
 		reloc_root->commit_root = btrfs_root_node(reloc_root);
@@ -2457,7 +2459,21 @@ out:
 			free_reloc_roots(&reloc_roots);
 	}
 
-	BUG_ON(!RB_EMPTY_ROOT(&rc->reloc_root_tree.rb_root));
+	/*
+	 * We used to have
+	 *
+	 * BUG_ON(!RB_EMPTY_ROOT(&rc->reloc_root_tree.rb_root));
+	 *
+	 * here, but it's wrong.  If we fail to start the transaction in
+	 * prepare_to_merge() we will have only 0 ref reloc roots, none of which
+	 * have actually been removed from the reloc_root_tree rb tree.  This is
+	 * fine because we're bailing here, and we hold a reference on the root
+	 * for the list that holds it, so these roots will be cleaned up when we
+	 * do the reloc_dirty_list afterwards.  Meanwhile the root->reloc_root
+	 * will be cleaned up on unmount.
+	 *
+	 * The remaining nodes will be cleaned up by free_reloc_control.
+	 */
 }
 
 static void free_block_list(struct rb_root *blocks)
@@ -4703,11 +4719,6 @@ int btrfs_reloc_cow_block(struct btrfs_trans_handle *trans,
 	BUG_ON(rc->stage == UPDATE_DATA_PTRS &&
 	       root->root_key.objectid == BTRFS_DATA_RELOC_TREE_OBJECTID);
 
-	if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) {
-		if (buf == root->node)
-			__update_reloc_root(root, cow->start);
-	}
-
 	level = btrfs_header_level(buf);
 	if (btrfs_header_generation(buf) <=
 	    btrfs_root_last_snapshot(&root->root_item))
diff --git a/fs/exec.c b/fs/exec.c
index 820d7f3b25e8..bb03b98fd03b 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1353,7 +1353,7 @@ void setup_new_exec(struct linux_binprm * bprm)
 
 	/* An exec changes our domain. We are no longer part of the thread
 	   group */
-	current->self_exec_id++;
+	WRITE_ONCE(current->self_exec_id, current->self_exec_id + 1);
 	flush_signal_handlers(current, 0);
 }
 EXPORT_SYMBOL(setup_new_exec);
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index babef30d440b..c8679b583561 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -55,6 +55,7 @@
 
 #include <linux/buffer_head.h>
 #include <linux/init.h>
+#include <linux/printk.h>
 #include <linux/slab.h>
 #include <linux/mbcache.h>
 #include <linux/quotaops.h>
@@ -83,8 +84,8 @@
 		printk("\n"); \
 	} while (0)
 #else
-# define ea_idebug(f...)
-# define ea_bdebug(f...)
+# define ea_idebug(inode, f...)	no_printk(f)
+# define ea_bdebug(bh, f...)	no_printk(f)
 #endif
 
 static int ext2_xattr_set2(struct inode *, struct buffer_head *,
@@ -835,8 +836,7 @@ ext2_xattr_cache_insert(struct mb_cache *cache, struct buffer_head *bh)
 	error = mb_cache_entry_create(cache, GFP_NOFS, hash, bh->b_blocknr, 1);
 	if (error) {
 		if (error == -EBUSY) {
-			ea_bdebug(bh, "already in cache (%d cache entries)",
-				atomic_read(&ext2_xattr_cache->c_entry_count));
+			ea_bdebug(bh, "already in cache");
 			error = 0;
 		}
 	} else
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 71c68bd302c5..999d2a54297d 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3445,8 +3445,8 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
 		(unsigned long long)map->m_lblk, map_len);
 
 	sbi = EXT4_SB(inode->i_sb);
-	eof_block = (inode->i_size + inode->i_sb->s_blocksize - 1) >>
-		inode->i_sb->s_blocksize_bits;
+	eof_block = (EXT4_I(inode)->i_disksize + inode->i_sb->s_blocksize - 1)
+			>> inode->i_sb->s_blocksize_bits;
 	if (eof_block < map->m_lblk + map_len)
 		eof_block = map->m_lblk + map_len;
 
@@ -3701,8 +3701,8 @@ static int ext4_split_convert_extents(handle_t *handle,
 		  __func__, inode->i_ino,
 		  (unsigned long long)map->m_lblk, map->m_len);
 
-	eof_block = (inode->i_size + inode->i_sb->s_blocksize - 1) >>
-		inode->i_sb->s_blocksize_bits;
+	eof_block = (EXT4_I(inode)->i_disksize + inode->i_sb->s_blocksize - 1)
+			>> inode->i_sb->s_blocksize_bits;
 	if (eof_block < map->m_lblk + map->m_len)
 		eof_block = map->m_lblk + map->m_len;
 	/*
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 911a49e861d2..45bcde1969e3 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4754,7 +4754,7 @@ static int ext4_inode_blocks_set(handle_t *handle,
 				struct ext4_inode_info *ei)
 {
 	struct inode *inode = &(ei->vfs_inode);
-	u64 i_blocks = inode->i_blocks;
+	u64 i_blocks = READ_ONCE(inode->i_blocks);
 	struct super_block *sb = inode->i_sb;
 
 	if (i_blocks <= ~0U) {
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 75f71e52ffc7..ed0520fe4dad 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -344,7 +344,8 @@ static void save_error_info(struct super_block *sb, const char *func,
 			    unsigned int line)
 {
 	__save_error_info(sb, func, line);
-	ext4_commit_super(sb, 1);
+	if (!bdev_read_only(sb->s_bdev))
+		ext4_commit_super(sb, 1);
 }
 
 /*
@@ -3820,7 +3821,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	if (sbi->s_inodes_per_group < sbi->s_inodes_per_block ||
 	    sbi->s_inodes_per_group > blocksize * 8) {
 		ext4_msg(sb, KERN_ERR, "invalid inodes per group: %lu\n",
-			 sbi->s_blocks_per_group);
+			 sbi->s_inodes_per_group);
 		goto failed_mount;
 	}
 	sbi->s_itb_per_group = sbi->s_inodes_per_group /
@@ -3951,9 +3952,9 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 			EXT4_BLOCKS_PER_GROUP(sb) - 1);
 	do_div(blocks_count, EXT4_BLOCKS_PER_GROUP(sb));
 	if (blocks_count > ((uint64_t)1<<32) - EXT4_DESC_PER_BLOCK(sb)) {
-		ext4_msg(sb, KERN_WARNING, "groups count too large: %u "
+		ext4_msg(sb, KERN_WARNING, "groups count too large: %llu "
 		       "(block count %llu, first data block %u, "
-		       "blocks per group %lu)", sbi->s_groups_count,
+		       "blocks per group %lu)", blocks_count,
 		       ext4_blocks_count(es),
 		       le32_to_cpu(es->s_first_data_block),
 		       EXT4_BLOCKS_PER_GROUP(sb));
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index efd44d5645d8..adc1a97cfe96 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -548,6 +548,9 @@ __acquires(&gl->gl_lockref.lock)
 			goto out_unlock;
 		if (nonblock)
 			goto out_sched;
+		smp_mb();
+		if (atomic_read(&gl->gl_revokes) != 0)
+			goto out_sched;
 		set_bit(GLF_DEMOTE_IN_PROGRESS, &gl->gl_flags);
 		GLOCK_BUG_ON(gl, gl->gl_demote_state == LM_ST_EXCLUSIVE);
 		gl->gl_target = gl->gl_demote_state;
diff --git a/fs/hfsplus/attributes.c b/fs/hfsplus/attributes.c
index d7455ea70287..0c4548d8cd0b 100644
--- a/fs/hfsplus/attributes.c
+++ b/fs/hfsplus/attributes.c
@@ -291,6 +291,10 @@ static int __hfsplus_delete_attr(struct inode *inode, u32 cnid,
 		return -ENOENT;
 	}
 
+	/* Avoid btree corruption */
+	hfs_bnode_read(fd->bnode, fd->search_key,
+			fd->keyoffset, fd->keylength);
+
 	err = hfs_brec_remove(fd);
 	if (err)
 		return err;
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 1d06f81ee8b4..f65ad50d5f7b 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -990,9 +990,10 @@ restart_loop:
 			 * journalled data) we need to unmap buffer and clear
 			 * more bits. We also need to be careful about the check
 			 * because the data page mapping can get cleared under
-			 * out hands, which alse need not to clear more bits
-			 * because the page and buffers will be freed and can
-			 * never be reused once we are done with them.
+			 * our hands. Note that if mapping == NULL, we don't
+			 * need to make buffer unmapped because the page is
+			 * already detached from the mapping and buffers cannot
+			 * get reused.
 			 */
 			mapping = READ_ONCE(bh->b_page->mapping);
 			if (mapping && !sb_is_blkdev_sb(mapping->host->i_sb)) {
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 53f0012ace42..de135d2591ff 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -595,6 +595,7 @@ ssize_t nfs_file_direct_read(struct kiocb *iocb, struct iov_iter *iter)
 	l_ctx = nfs_get_lock_context(dreq->ctx);
 	if (IS_ERR(l_ctx)) {
 		result = PTR_ERR(l_ctx);
+		nfs_direct_req_release(dreq);
 		goto out_release;
 	}
 	dreq->l_ctx = l_ctx;
@@ -1019,6 +1020,7 @@ ssize_t nfs_file_direct_write(struct kiocb *iocb, struct iov_iter *iter)
 	l_ctx = nfs_get_lock_context(dreq->ctx);
 	if (IS_ERR(l_ctx)) {
 		result = PTR_ERR(l_ctx);
+		nfs_direct_req_release(dreq);
 		goto out_release;
 	}
 	dreq->l_ctx = l_ctx;
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index b6e25126a0b0..529f3a576263 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -851,15 +851,6 @@ static int nfs_pageio_setup_mirroring(struct nfs_pageio_descriptor *pgio,
 	return 0;
 }
 
-/*
- * nfs_pageio_stop_mirroring - stop using mirroring (set mirror count to 1)
- */
-void nfs_pageio_stop_mirroring(struct nfs_pageio_descriptor *pgio)
-{
-	pgio->pg_mirror_count = 1;
-	pgio->pg_mirror_idx = 0;
-}
-
 static void nfs_pageio_cleanup_mirroring(struct nfs_pageio_descriptor *pgio)
 {
 	pgio->pg_mirror_count = 1;
@@ -1285,6 +1276,14 @@ void nfs_pageio_cond_complete(struct nfs_pageio_descriptor *desc, pgoff_t index)
 	}
 }
 
+/*
+ * nfs_pageio_stop_mirroring - stop using mirroring (set mirror count to 1)
+ */
+void nfs_pageio_stop_mirroring(struct nfs_pageio_descriptor *pgio)
+{
+	nfs_pageio_complete(pgio);
+}
+
 int __init nfs_init_nfspagecache(void)
 {
 	nfs_page_cachep = kmem_cache_create("nfs_page",
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 06089becca60..dfb8a923921e 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -7246,6 +7246,10 @@ int ocfs2_truncate_inline(struct inode *inode, struct buffer_head *di_bh,
 	struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
 	struct ocfs2_inline_data *idata = &di->id2.i_data;
 
+	/* No need to punch hole beyond i_size. */
+	if (start >= i_size_read(inode))
+		return 0;
+
 	if (end > i_size_read(inode))
 		end = i_size_read(inode);
 
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 0020ee1cab37..7837afabbd78 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -546,7 +546,7 @@ unsigned long read_word_at_a_time(const void *addr)
  * compiler has support to do so.
  */
 #define compiletime_assert(condition, msg) \
-	_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
+	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
 
 #define compiletime_assert_atomic_type(t)				\
 	compiletime_assert(__native_word(t),				\
diff --git a/include/linux/devfreq_cooling.h b/include/linux/devfreq_cooling.h
index 7adf6cc4b305..633346b84cae 100644
--- a/include/linux/devfreq_cooling.h
+++ b/include/linux/devfreq_cooling.h
@@ -53,7 +53,7 @@ void devfreq_cooling_unregister(struct thermal_cooling_device *dfc);
 
 #else /* !CONFIG_DEVFREQ_THERMAL */
 
-struct thermal_cooling_device *
+static inline struct thermal_cooling_device *
 of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df,
 				  struct devfreq_cooling_power *dfc_power)
 {
diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h
index 84a109449610..b6332cb761a4 100644
--- a/include/linux/percpu_counter.h
+++ b/include/linux/percpu_counter.h
@@ -76,9 +76,9 @@ static inline s64 percpu_counter_read(struct percpu_counter *fbc)
  */
 static inline s64 percpu_counter_read_positive(struct percpu_counter *fbc)
 {
-	s64 ret = fbc->count;
+	/* Prevent reloads of fbc->count */
+	s64 ret = READ_ONCE(fbc->count);
 
-	barrier();		/* Prevent reloads of fbc->count */
 	if (ret >= 0)
 		return ret;
 	return 0;
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 275511b60978..1872d4e9acbe 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1720,8 +1720,8 @@ struct task_struct {
 	struct seccomp seccomp;
 
 /* Thread group tracking */
-   	u32 parent_exec_id;
-   	u32 self_exec_id;
+	u64 parent_exec_id;
+	u64 self_exec_id;
 /* Protection of (de-)allocation: mm, files, fs, tty, keyrings, mems_allowed,
  * mempolicy */
 	spinlock_t alloc_lock;
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 2c43993e079c..e45b6286983c 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -195,6 +195,7 @@ static inline bool ipv6_anycast_destination(const struct dst_entry *dst,
 
 	return rt->rt6i_flags & RTF_ANYCAST ||
 		(rt->rt6i_dst.plen != 128 &&
+		 !(rt->rt6i_flags & (RTF_GATEWAY | RTF_NONEXTHOP)) &&
 		 ipv6_addr_equal(&rt->rt6i_dst.addr, daddr));
 }
 
diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h
index 6021c3acb6c5..b1814d2762bd 100644
--- a/include/target/iscsi/iscsi_target_core.h
+++ b/include/target/iscsi/iscsi_target_core.h
@@ -671,7 +671,7 @@ struct iscsi_session {
 	atomic_t		session_logout;
 	atomic_t		session_reinstatement;
 	atomic_t		session_stop_active;
-	atomic_t		sleep_on_sess_wait_comp;
+	atomic_t		session_close;
 	/* connection list */
 	struct list_head	sess_conn_list;
 	struct list_head	cr_active_list;
diff --git a/kernel/kmod.c b/kernel/kmod.c
index 0277d1216f80..e4e5e98002fe 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -119,7 +119,7 @@ out:
  * invoke it.
  *
  * If module auto-loading support is disabled then this function
- * becomes a no-operation.
+ * simply returns -ENOENT.
  */
 int __request_module(bool wait, const char *fmt, ...)
 {
@@ -140,7 +140,7 @@ int __request_module(bool wait, const char *fmt, ...)
 	WARN_ON_ONCE(wait && current_is_async());
 
 	if (!modprobe_path[0])
-		return 0;
+		return -ENOENT;
 
 	va_start(args, fmt);
 	ret = vsnprintf(module_name, MODULE_NAME_LEN, fmt, args);
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index d7f425698a4a..9f56e3fac795 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -1241,9 +1241,11 @@ unsigned long lockdep_count_forward_deps(struct lock_class *class)
 	this.class = class;
 
 	raw_local_irq_save(flags);
+	current->lockdep_recursion = 1;
 	arch_spin_lock(&lockdep_lock);
 	ret = __lockdep_count_forward_deps(&this);
 	arch_spin_unlock(&lockdep_lock);
+	current->lockdep_recursion = 0;
 	raw_local_irq_restore(flags);
 
 	return ret;
@@ -1268,9 +1270,11 @@ unsigned long lockdep_count_backward_deps(struct lock_class *class)
 	this.class = class;
 
 	raw_local_irq_save(flags);
+	current->lockdep_recursion = 1;
 	arch_spin_lock(&lockdep_lock);
 	ret = __lockdep_count_backward_deps(&this);
 	arch_spin_unlock(&lockdep_lock);
+	current->lockdep_recursion = 0;
 	raw_local_irq_restore(flags);
 
 	return ret;
diff --git a/kernel/locking/locktorture.c b/kernel/locking/locktorture.c
index babc67cfed69..b0e41c312c15 100644
--- a/kernel/locking/locktorture.c
+++ b/kernel/locking/locktorture.c
@@ -649,10 +649,10 @@ static void __torture_print_stats(char *page,
 		if (statp[i].n_lock_fail)
 			fail = true;
 		sum += statp[i].n_lock_acquired;
-		if (max < statp[i].n_lock_fail)
-			max = statp[i].n_lock_fail;
-		if (min > statp[i].n_lock_fail)
-			min = statp[i].n_lock_fail;
+		if (max < statp[i].n_lock_acquired)
+			max = statp[i].n_lock_acquired;
+		if (min > statp[i].n_lock_acquired)
+			min = statp[i].n_lock_acquired;
 	}
 	page += sprintf(page,
 			"%s:  Total: %lld  Max/Min: %ld/%ld %s  Fail: %d %s\n",
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 15c08752926b..819bd5fb0264 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -73,7 +73,13 @@ static inline void update_idle_core(struct rq *rq) { }
 #ifdef CONFIG_64BIT
 # define NICE_0_LOAD_SHIFT	(SCHED_FIXEDPOINT_SHIFT + SCHED_FIXEDPOINT_SHIFT)
 # define scale_load(w)		((w) << SCHED_FIXEDPOINT_SHIFT)
-# define scale_load_down(w)	((w) >> SCHED_FIXEDPOINT_SHIFT)
+# define scale_load_down(w) \
+({ \
+	unsigned long __w = (w); \
+	if (__w) \
+		__w = max(2UL, __w >> SCHED_FIXEDPOINT_SHIFT); \
+	__w; \
+})
 #else
 # define NICE_0_LOAD_SHIFT	(SCHED_FIXEDPOINT_SHIFT)
 # define scale_load(w)		(w)
diff --git a/kernel/signal.c b/kernel/signal.c
index d90ccbeb909d..bedca1629f26 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1660,7 +1660,7 @@ bool do_notify_parent(struct task_struct *tsk, int sig)
 		 * This is only possible if parent == real_parent.
 		 * Check if it has changed security domain.
 		 */
-		if (tsk->parent_exec_id != tsk->parent->self_exec_id)
+		if (tsk->parent_exec_id != READ_ONCE(tsk->parent->self_exec_id))
 			sig = SIGCHLD;
 	}
 
diff --git a/kernel/trace/trace_events_trigger.c b/kernel/trace/trace_events_trigger.c
index 8a88e85c8c61..c9ca2ed50c0e 100644
--- a/kernel/trace/trace_events_trigger.c
+++ b/kernel/trace/trace_events_trigger.c
@@ -1068,14 +1068,10 @@ register_snapshot_trigger(char *glob, struct event_trigger_ops *ops,
 			  struct event_trigger_data *data,
 			  struct trace_event_file *file)
 {
-	int ret = register_trigger(glob, ops, data, file);
-
-	if (ret > 0 && tracing_alloc_snapshot() != 0) {
-		unregister_trigger(glob, ops, data, file);
-		ret = 0;
-	}
+	if (tracing_alloc_snapshot() != 0)
+		return 0;
 
-	return ret;
+	return register_trigger(glob, ops, data, file);
 }
 
 static int
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 13a642192e12..ef710e387862 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3955,11 +3955,11 @@ refill:
 		/* Even if we own the page, we do not use atomic_set().
 		 * This would break get_page_unless_zero() users.
 		 */
-		page_ref_add(page, size);
+		page_ref_add(page, PAGE_FRAG_CACHE_MAX_SIZE);
 
 		/* reset page count bias and offset to start of new frag */
 		nc->pfmemalloc = page_is_pfmemalloc(page);
-		nc->pagecnt_bias = size + 1;
+		nc->pagecnt_bias = PAGE_FRAG_CACHE_MAX_SIZE + 1;
 		nc->offset = size;
 	}
 
@@ -3975,10 +3975,10 @@ refill:
 		size = nc->size;
 #endif
 		/* OK, page count is 0, we can safely set it */
-		set_page_count(page, size + 1);
+		set_page_count(page, PAGE_FRAG_CACHE_MAX_SIZE + 1);
 
 		/* reset page count bias and offset to start of new frag */
-		nc->pagecnt_bias = size + 1;
+		nc->pagecnt_bias = PAGE_FRAG_CACHE_MAX_SIZE + 1;
 		offset = size - fragsz;
 	}
 
diff --git a/net/hsr/hsr_netlink.c b/net/hsr/hsr_netlink.c
index 4f869d05410f..1da236db04d6 100644
--- a/net/hsr/hsr_netlink.c
+++ b/net/hsr/hsr_netlink.c
@@ -63,10 +63,15 @@ static int hsr_newlink(struct net *src_net, struct net_device *dev,
 	else
 		multicast_spec = nla_get_u8(data[IFLA_HSR_MULTICAST_SPEC]);
 
-	if (!data[IFLA_HSR_VERSION])
+	if (!data[IFLA_HSR_VERSION]) {
 		hsr_version = 0;
-	else
+	} else {
 		hsr_version = nla_get_u8(data[IFLA_HSR_VERSION]);
+		if (hsr_version > 1) {
+			netdev_info(dev, "Only versions 0..1 are supported");
+			return -EINVAL;
+		}
+	}
 
 	return hsr_dev_finalize(dev, link, multicast_spec, hsr_version);
 }
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 6c873cb829ca..af3363f4543f 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -560,12 +560,15 @@ struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix,
 	return NULL;
 }
 
-static int ip_mc_config(struct sock *sk, bool join, const struct in_ifaddr *ifa)
+static int ip_mc_autojoin_config(struct net *net, bool join,
+				 const struct in_ifaddr *ifa)
 {
+#if defined(CONFIG_IP_MULTICAST)
 	struct ip_mreqn mreq = {
 		.imr_multiaddr.s_addr = ifa->ifa_address,
 		.imr_ifindex = ifa->ifa_dev->dev->ifindex,
 	};
+	struct sock *sk = net->ipv4.mc_autojoin_sk;
 	int ret;
 
 	ASSERT_RTNL();
@@ -578,6 +581,9 @@ static int ip_mc_config(struct sock *sk, bool join, const struct in_ifaddr *ifa)
 	release_sock(sk);
 
 	return ret;
+#else
+	return -EOPNOTSUPP;
+#endif
 }
 
 static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh)
@@ -617,7 +623,7 @@ static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh)
 			continue;
 
 		if (ipv4_is_multicast(ifa->ifa_address))
-			ip_mc_config(net->ipv4.mc_autojoin_sk, false, ifa);
+			ip_mc_autojoin_config(net, false, ifa);
 		__inet_del_ifa(in_dev, ifap, 1, nlh, NETLINK_CB(skb).portid);
 		return 0;
 	}
@@ -873,8 +879,7 @@ static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh)
 		 */
 		set_ifa_lifetime(ifa, valid_lft, prefered_lft);
 		if (ifa->ifa_flags & IFA_F_MCAUTOJOIN) {
-			int ret = ip_mc_config(net->ipv4.mc_autojoin_sk,
-					       true, ifa);
+			int ret = ip_mc_autojoin_config(net, true, ifa);
 
 			if (ret < 0) {
 				inet_free_ifa(ifa);
diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index ee930b3011cc..41547c6e496a 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -621,20 +621,21 @@ static int qrtr_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
 
 	node = NULL;
 	if (addr->sq_node == QRTR_NODE_BCAST) {
-		enqueue_fn = qrtr_bcast_enqueue;
-		if (addr->sq_port != QRTR_PORT_CTRL) {
+		if (addr->sq_port != QRTR_PORT_CTRL &&
+		    qrtr_local_nid != QRTR_NODE_BCAST) {
 			release_sock(sk);
 			return -ENOTCONN;
 		}
+		enqueue_fn = qrtr_bcast_enqueue;
 	} else if (addr->sq_node == ipc->us.sq_node) {
 		enqueue_fn = qrtr_local_enqueue;
 	} else {
-		enqueue_fn = qrtr_node_enqueue;
 		node = qrtr_node_lookup(addr->sq_node);
 		if (!node) {
 			release_sock(sk);
 			return -ECONNRESET;
 		}
+		enqueue_fn = qrtr_node_enqueue;
 	}
 
 	plen = (len + 3) & ~3;
diff --git a/security/keys/key.c b/security/keys/key.c
index 280b4feccdc0..33a9c64eeed3 100644
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -382,7 +382,7 @@ int key_payload_reserve(struct key *key, size_t datalen)
 		spin_lock(&key->user->lock);
 
 		if (delta > 0 &&
-		    (key->user->qnbytes + delta >= maxbytes ||
+		    (key->user->qnbytes + delta > maxbytes ||
 		     key->user->qnbytes + delta < key->user->qnbytes)) {
 			ret = -EDQUOT;
 		}
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index 797edcf1d424..2ef853bfbb8f 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -881,8 +881,8 @@ long keyctl_chown_key(key_serial_t id, uid_t user, gid_t group)
 				key_quota_root_maxbytes : key_quota_maxbytes;
 
 			spin_lock(&newowner->lock);
-			if (newowner->qnkeys + 1 >= maxkeys ||
-			    newowner->qnbytes + key->quotalen >= maxbytes ||
+			if (newowner->qnkeys + 1 > maxkeys ||
+			    newowner->qnbytes + key->quotalen > maxbytes ||
 			    newowner->qnbytes + key->quotalen <
 			    newowner->qnbytes)
 				goto quota_overrun;
diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c
index 0e3dd6014ce5..7c5d124d538c 100644
--- a/sound/core/oss/pcm_plugin.c
+++ b/sound/core/oss/pcm_plugin.c
@@ -196,7 +196,9 @@ int snd_pcm_plugin_free(struct snd_pcm_plugin *plugin)
 	return 0;
 }
 
-snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_pcm_uframes_t drv_frames)
+static snd_pcm_sframes_t plug_client_size(struct snd_pcm_substream *plug,
+					  snd_pcm_uframes_t drv_frames,
+					  bool check_size)
 {
 	struct snd_pcm_plugin *plugin, *plugin_prev, *plugin_next;
 	int stream;
@@ -209,7 +211,7 @@ snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_p
 	if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		plugin = snd_pcm_plug_last(plug);
 		while (plugin && drv_frames > 0) {
-			if (drv_frames > plugin->buf_frames)
+			if (check_size && drv_frames > plugin->buf_frames)
 				drv_frames = plugin->buf_frames;
 			plugin_prev = plugin->prev;
 			if (plugin->src_frames)
@@ -222,7 +224,7 @@ snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_p
 			plugin_next = plugin->next;
 			if (plugin->dst_frames)
 				drv_frames = plugin->dst_frames(plugin, drv_frames);
-			if (drv_frames > plugin->buf_frames)
+			if (check_size && drv_frames > plugin->buf_frames)
 				drv_frames = plugin->buf_frames;
 			plugin = plugin_next;
 		}
@@ -231,7 +233,9 @@ snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_p
 	return drv_frames;
 }
 
-snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *plug, snd_pcm_uframes_t clt_frames)
+static snd_pcm_sframes_t plug_slave_size(struct snd_pcm_substream *plug,
+					 snd_pcm_uframes_t clt_frames,
+					 bool check_size)
 {
 	struct snd_pcm_plugin *plugin, *plugin_prev, *plugin_next;
 	snd_pcm_sframes_t frames;
@@ -252,14 +256,14 @@ snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *plug, snd_pc
 				if (frames < 0)
 					return frames;
 			}
-			if (frames > plugin->buf_frames)
+			if (check_size && frames > plugin->buf_frames)
 				frames = plugin->buf_frames;
 			plugin = plugin_next;
 		}
 	} else if (stream == SNDRV_PCM_STREAM_CAPTURE) {
 		plugin = snd_pcm_plug_last(plug);
 		while (plugin) {
-			if (frames > plugin->buf_frames)
+			if (check_size && frames > plugin->buf_frames)
 				frames = plugin->buf_frames;
 			plugin_prev = plugin->prev;
 			if (plugin->src_frames) {
@@ -274,6 +278,18 @@ snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *plug, snd_pc
 	return frames;
 }
 
+snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug,
+					   snd_pcm_uframes_t drv_frames)
+{
+	return plug_client_size(plug, drv_frames, false);
+}
+
+snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *plug,
+					  snd_pcm_uframes_t clt_frames)
+{
+	return plug_slave_size(plug, clt_frames, false);
+}
+
 static int snd_pcm_plug_formats(struct snd_mask *mask, snd_pcm_format_t format)
 {
 	struct snd_mask formats = *mask;
@@ -628,7 +644,7 @@ snd_pcm_sframes_t snd_pcm_plug_write_transfer(struct snd_pcm_substream *plug, st
 		src_channels = dst_channels;
 		plugin = next;
 	}
-	return snd_pcm_plug_client_size(plug, frames);
+	return plug_client_size(plug, frames, true);
 }
 
 snd_pcm_sframes_t snd_pcm_plug_read_transfer(struct snd_pcm_substream *plug, struct snd_pcm_plugin_channel *dst_channels_final, snd_pcm_uframes_t size)
@@ -638,7 +654,7 @@ snd_pcm_sframes_t snd_pcm_plug_read_transfer(struct snd_pcm_substream *plug, str
 	snd_pcm_sframes_t frames = size;
 	int err;
 
-	frames = snd_pcm_plug_slave_size(plug, frames);
+	frames = plug_slave_size(plug, frames, true);
 	if (frames < 0)
 		return frames;
 
diff --git a/sound/pci/hda/hda_beep.c b/sound/pci/hda/hda_beep.c
index c397e7da0eac..7ccfb09535e1 100644
--- a/sound/pci/hda/hda_beep.c
+++ b/sound/pci/hda/hda_beep.c
@@ -310,8 +310,12 @@ int snd_hda_mixer_amp_switch_get_beep(struct snd_kcontrol *kcontrol,
 {
 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 	struct hda_beep *beep = codec->beep;
+	int chs = get_amp_channels(kcontrol);
+
 	if (beep && (!beep->enabled || !ctl_has_mute(kcontrol))) {
-		ucontrol->value.integer.value[0] =
+		if (chs & 1)
+			ucontrol->value.integer.value[0] = beep->enabled;
+		if (chs & 2)
 			ucontrol->value.integer.value[1] = beep->enabled;
 		return 0;
 	}
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 2ad28ce7ff49..cbe0248225c1 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -876,6 +876,7 @@ int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
 
 	/* power-up all before initialization */
 	hda_set_power_state(codec, AC_PWRST_D0);
+	codec->core.dev.power.power_state = PMSG_ON;
 
 	snd_hda_codec_proc_new(codec);
 
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 3234e9ca02ce..d8e132a2d1a8 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1828,24 +1828,15 @@ static void azx_firmware_cb(const struct firmware *fw, void *context)
 {
 	struct snd_card *card = context;
 	struct azx *chip = card->private_data;
-	struct pci_dev *pci = chip->pci;
-
-	if (!fw) {
-		dev_err(card->dev, "Cannot load firmware, aborting\n");
-		goto error;
-	}
 
-	chip->fw = fw;
+	if (fw)
+		chip->fw = fw;
+	else
+		dev_err(card->dev, "Cannot load firmware, continue without patching\n");
 	if (!chip->disabled) {
 		/* continue probing */
-		if (azx_probe_continue(chip))
-			goto error;
+		azx_probe_continue(chip);
 	}
-	return; /* OK */
-
- error:
-	snd_card_free(card);
-	pci_set_drvdata(pci, NULL);
 }
 #endif
 
@@ -1971,6 +1962,17 @@ static const struct hdac_io_ops pci_hda_io_ops = {
 	.dma_free_pages = dma_free_pages,
 };
 
+/* Blacklist for skipping the whole probe:
+ * some HD-audio PCI entries are exposed without any codecs, and such devices
+ * should be ignored from the beginning.
+ */
+static const struct snd_pci_quirk driver_blacklist[] = {
+	SND_PCI_QUIRK(0x1043, 0x874f, "ASUS ROG Zenith II / Strix", 0),
+	SND_PCI_QUIRK(0x1462, 0xcb59, "MSI TRX40 Creator", 0),
+	SND_PCI_QUIRK(0x1462, 0xcb60, "MSI TRX40", 0),
+	{}
+};
+
 static const struct hda_controller_ops pci_hda_ops = {
 	.disable_msi_reset_irq = disable_msi_reset_irq,
 	.substream_alloc_pages = substream_alloc_pages,
@@ -1990,6 +1992,11 @@ static int azx_probe(struct pci_dev *pci,
 	bool schedule_probe;
 	int err;
 
+	if (snd_pci_quirk_lookup(pci, driver_blacklist)) {
+		dev_info(&pci->dev, "Skipping the blacklisted device\n");
+		return -ENODEV;
+	}
+
 	if (dev >= SNDRV_CARDS)
 		return -ENODEV;
 	if (!enable[dev]) {
diff --git a/sound/pci/ice1712/prodigy_hifi.c b/sound/pci/ice1712/prodigy_hifi.c
index 2697402b5195..41f6450a2539 100644
--- a/sound/pci/ice1712/prodigy_hifi.c
+++ b/sound/pci/ice1712/prodigy_hifi.c
@@ -569,7 +569,7 @@ static int wm_adc_mux_enum_get(struct snd_kcontrol *kcontrol,
 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 
 	mutex_lock(&ice->gpio_mutex);
-	ucontrol->value.integer.value[0] = wm_get(ice, WM_ADC_MUX) & 0x1f;
+	ucontrol->value.enumerated.item[0] = wm_get(ice, WM_ADC_MUX) & 0x1f;
 	mutex_unlock(&ice->gpio_mutex);
 	return 0;
 }
@@ -583,7 +583,7 @@ static int wm_adc_mux_enum_put(struct snd_kcontrol *kcontrol,
 
 	mutex_lock(&ice->gpio_mutex);
 	oval = wm_get(ice, WM_ADC_MUX);
-	nval = (oval & 0xe0) | ucontrol->value.integer.value[0];
+	nval = (oval & 0xe0) | ucontrol->value.enumerated.item[0];
 	if (nval != oval) {
 		wm_put(ice, WM_ADC_MUX, nval);
 		change = 1;
diff --git a/sound/soc/intel/atom/sst-atom-controls.c b/sound/soc/intel/atom/sst-atom-controls.c
index 0838478c4c3f..b3464ac99b99 100644
--- a/sound/soc/intel/atom/sst-atom-controls.c
+++ b/sound/soc/intel/atom/sst-atom-controls.c
@@ -1343,7 +1343,7 @@ int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute)
 				dai->capture_widget->name);
 		w = dai->capture_widget;
 		snd_soc_dapm_widget_for_each_source_path(w, p) {
-			if (p->connected && !p->connected(w, p->sink))
+			if (p->connected && !p->connected(w, p->source))
 				continue;
 
 			if (p->connect &&  p->source->power &&
diff --git a/sound/soc/intel/atom/sst/sst_pci.c b/sound/soc/intel/atom/sst/sst_pci.c
index 3a0b3bf0af97..e9c6894cc27f 100644
--- a/sound/soc/intel/atom/sst/sst_pci.c
+++ b/sound/soc/intel/atom/sst/sst_pci.c
@@ -107,7 +107,7 @@ static int sst_platform_get_resources(struct intel_sst_drv *ctx)
 	dev_dbg(ctx->dev, "DRAM Ptr %p\n", ctx->dram);
 do_release_regions:
 	pci_release_regions(pci);
-	return 0;
+	return ret;
 }
 
 /*
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index a04672411bef..73523cf0329b 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -751,7 +751,13 @@ static void dapm_set_mixer_path_status(struct snd_soc_dapm_path *p, int i)
 			val = max - val;
 		p->connect = !!val;
 	} else {
-		p->connect = 0;
+		/* since a virtual mixer has no backing registers to
+		 * decide which path to connect, it will try to match
+		 * with initial state.  This is to ensure
+		 * that the default mixer choice will be
+		 * correctly powered up during initialization.
+		 */
+		p->connect = invert;
 	}
 }
 
diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c
index 9fc1a7bb8b95..90acdf4d90ed 100644
--- a/sound/soc/soc-ops.c
+++ b/sound/soc/soc-ops.c
@@ -837,7 +837,7 @@ int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
 	unsigned int regbase = mc->regbase;
 	unsigned int regcount = mc->regcount;
 	unsigned int regwshift = component->val_bytes * BITS_PER_BYTE;
-	unsigned int regwmask = (1<<regwshift)-1;
+	unsigned int regwmask = (1UL<<regwshift)-1;
 	unsigned int invert = mc->invert;
 	unsigned long mask = (1UL<<mc->nbits)-1;
 	long min = mc->min;
@@ -886,7 +886,7 @@ int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
 	unsigned int regbase = mc->regbase;
 	unsigned int regcount = mc->regcount;
 	unsigned int regwshift = component->val_bytes * BITS_PER_BYTE;
-	unsigned int regwmask = (1<<regwshift)-1;
+	unsigned int regwmask = (1UL<<regwshift)-1;
 	unsigned int invert = mc->invert;
 	unsigned long mask = (1UL<<mc->nbits)-1;
 	long max = mc->max;
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 9df0c8102dc0..b67d105b76e4 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -2062,7 +2062,8 @@ int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream,
 		switch (cmd) {
 		case SNDRV_PCM_TRIGGER_START:
 			if ((be->dpcm[stream].state != SND_SOC_DPCM_STATE_PREPARE) &&
-			    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP))
+			    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP) &&
+			    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED))
 				continue;
 
 			ret = dpcm_do_trigger(dpcm, be_substream, cmd);
@@ -2092,7 +2093,8 @@ int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream,
 			be->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
 			break;
 		case SNDRV_PCM_TRIGGER_STOP:
-			if (be->dpcm[stream].state != SND_SOC_DPCM_STATE_START)
+			if ((be->dpcm[stream].state != SND_SOC_DPCM_STATE_START) &&
+			    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED))
 				continue;
 
 			if (!snd_soc_dpcm_can_be_free_stop(fe, be, stream))
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index 086fe4d27f60..e9c57bd3c02b 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -344,7 +344,7 @@ static int soc_tplg_add_kcontrol(struct soc_tplg *tplg,
 	struct snd_soc_component *comp = tplg->comp;
 
 	return soc_tplg_add_dcontrol(comp->card->snd_card,
-				comp->dev, k, NULL, comp, kcontrol);
+				comp->dev, k, comp->name_prefix, comp, kcontrol);
 }
 
 /* remove a mixer kcontrol */
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 54011f8543a7..e2f62362a0b0 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -2336,7 +2336,7 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer)
 		if (map->id == state.chip->usb_id) {
 			state.map = map->map;
 			state.selector_map = map->selector_map;
-			mixer->ignore_ctl_error = map->ignore_ctl_error;
+			mixer->ignore_ctl_error |= map->ignore_ctl_error;
 			break;
 		}
 	}
diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index eaa03acd4686..26ce6838e842 100644
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -363,6 +363,14 @@ static const struct usbmix_name_map dell_alc4020_map[] = {
 	{ 0 }
 };
 
+/* Some mobos shipped with a dummy HD-audio show the invalid GET_MIN/GET_MAX
+ * response for Input Gain Pad (id=19, control=12).  Skip it.
+ */
+static const struct usbmix_name_map asus_rog_map[] = {
+	{ 19, NULL, 12 }, /* FU, Input Gain Pad */
+	{}
+};
+
 /*
  * Control map entries
  */
@@ -482,6 +490,26 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = {
 		.id = USB_ID(0x05a7, 0x1020),
 		.map = bose_companion5_map,
 	},
+	{	/* Gigabyte TRX40 Aorus Pro WiFi */
+		.id = USB_ID(0x0414, 0xa002),
+		.map = asus_rog_map,
+	},
+	{	/* ASUS ROG Zenith II */
+		.id = USB_ID(0x0b05, 0x1916),
+		.map = asus_rog_map,
+	},
+	{	/* ASUS ROG Strix */
+		.id = USB_ID(0x0b05, 0x1917),
+		.map = asus_rog_map,
+	},
+	{	/* MSI TRX40 Creator */
+		.id = USB_ID(0x0db0, 0x0d64),
+		.map = asus_rog_map,
+	},
+	{	/* MSI TRX40 */
+		.id = USB_ID(0x0db0, 0x543d),
+		.map = asus_rog_map,
+	},
 	{ 0 } /* terminator */
 };
 
diff --git a/tools/gpio/Makefile b/tools/gpio/Makefile
index 359dd5d11c81..e2ac49253a0a 100644
--- a/tools/gpio/Makefile
+++ b/tools/gpio/Makefile
@@ -32,7 +32,7 @@ $(OUTPUT)include/linux/gpio.h: ../../include/uapi/linux/gpio.h
 
 prepare: $(OUTPUT)include/linux/gpio.h
 
-GPIO_UTILS_IN := $(output)gpio-utils-in.o
+GPIO_UTILS_IN := $(OUTPUT)gpio-utils-in.o
 $(GPIO_UTILS_IN): prepare FORCE
 	$(Q)$(MAKE) $(build)=gpio-utils
 
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 09782ff427d0..db105207757b 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -914,10 +914,7 @@ static struct rela *find_switch_table(struct objtool_file *file,
 	 * it.
 	 */
 	for (;
-	     &insn->list != &file->insn_list &&
-	     insn->sec == func->sec &&
-	     insn->offset >= func->offset;
-
+	     &insn->list != &file->insn_list && insn->func && insn->func->pfunc == func;
 	     insn = insn->first_jump_src ?: list_prev_entry(insn, list)) {
 
 		if (insn != orig_insn && insn->type == INSN_JUMP_DYNAMIC)
diff --git a/tools/testing/selftests/x86/ptrace_syscall.c b/tools/testing/selftests/x86/ptrace_syscall.c
index 1e3da137a8bb..5390c827a359 100644
--- a/tools/testing/selftests/x86/ptrace_syscall.c
+++ b/tools/testing/selftests/x86/ptrace_syscall.c
@@ -413,8 +413,12 @@ int main()
 
 #if defined(__i386__) && (!defined(__GLIBC__) || __GLIBC__ > 2 || __GLIBC_MINOR__ >= 16)
 	vsyscall32 = (void *)getauxval(AT_SYSINFO);
-	printf("[RUN]\tCheck AT_SYSINFO return regs\n");
-	test_sys32_regs(do_full_vsyscall32);
+	if (vsyscall32) {
+		printf("[RUN]\tCheck AT_SYSINFO return regs\n");
+		test_sys32_regs(do_full_vsyscall32);
+	} else {
+		printf("[SKIP]\tAT_SYSINFO is not available\n");
+	}
 #endif
 
 	test_ptrace_syscall_restart();