kernel-alx-legacy/patches-4.9/0295-4.9.196-all-fixes.patch

diff --git a/Makefile b/Makefile
index bee0218e3fb5..194c35eff19c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 9
-SUBLEVEL = 195
+SUBLEVEL = 196
 EXTRAVERSION =
 NAME = Roaring Lionus
 
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 5ca207ada852..2539c8f9fb3f 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -214,7 +214,7 @@ static inline bool access_error(unsigned int fsr, struct vm_area_struct *vma)
 {
 	unsigned int mask = VM_READ | VM_WRITE | VM_EXEC;
 
-	if (fsr & FSR_WRITE)
+	if ((fsr & FSR_WRITE) && !(fsr & FSR_CM))
 		mask = VM_WRITE;
 	if (fsr & FSR_LNX_PF)
 		mask = VM_EXEC;
@@ -284,7 +284,7 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 
 	if (user_mode(regs))
 		flags |= FAULT_FLAG_USER;
-	if (fsr & FSR_WRITE)
+	if ((fsr & FSR_WRITE) && !(fsr & FSR_CM))
 		flags |= FAULT_FLAG_WRITE;
 
 	/*
diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h
index afc1f84e763b..9bc272642d55 100644
--- a/arch/arm/mm/fault.h
+++ b/arch/arm/mm/fault.h
@@ -5,6 +5,7 @@
  * Fault status register encodings.  We steal bit 31 for our own purposes.
  */
 #define FSR_LNX_PF		(1 << 31)
+#define FSR_CM			(1 << 13)
 #define FSR_WRITE		(1 << 11)
 #define FSR_FS4			(1 << 10)
 #define FSR_FS3_0		(15)
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index f7c741358f37..241bf898adf5 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -1168,6 +1168,22 @@ void __init adjust_lowmem_bounds(void)
 	 */
 	vmalloc_limit = (u64)(uintptr_t)vmalloc_min - PAGE_OFFSET + PHYS_OFFSET;
 
+	/*
+	 * The first usable region must be PMD aligned. Mark its start
+	 * as MEMBLOCK_NOMAP if it isn't
+	 */
+	for_each_memblock(memory, reg) {
+		if (!memblock_is_nomap(reg)) {
+			if (!IS_ALIGNED(reg->base, PMD_SIZE)) {
+				phys_addr_t len;
+
+				len = round_up(reg->base, PMD_SIZE) - reg->base;
+				memblock_mark_nomap(reg->base, len);
+			}
+			break;
+		}
+	}
+
 	for_each_memblock(memory, reg) {
 		phys_addr_t block_start = reg->base;
 		phys_addr_t block_end = reg->base + reg->size;
diff --git a/arch/arm64/include/asm/cmpxchg.h b/arch/arm64/include/asm/cmpxchg.h
index 0f2e1ab5e166..9b2e2e2e728a 100644
--- a/arch/arm64/include/asm/cmpxchg.h
+++ b/arch/arm64/include/asm/cmpxchg.h
@@ -73,7 +73,7 @@ __XCHG_CASE( ,  ,  mb_8, dmb ish, nop,  , a, l, "memory")
 #undef __XCHG_CASE
 
 #define __XCHG_GEN(sfx)							\
-static inline unsigned long __xchg##sfx(unsigned long x,		\
+static __always_inline  unsigned long __xchg##sfx(unsigned long x,	\
 					volatile void *ptr,		\
 					int size)			\
 {									\
@@ -115,7 +115,7 @@ __XCHG_GEN(_mb)
 #define xchg(...)		__xchg_wrapper( _mb, __VA_ARGS__)
 
 #define __CMPXCHG_GEN(sfx)						\
-static inline unsigned long __cmpxchg##sfx(volatile void *ptr,		\
+static __always_inline unsigned long __cmpxchg##sfx(volatile void *ptr,	\
 					   unsigned long old,		\
 					   unsigned long new,		\
 					   int size)			\
@@ -248,7 +248,7 @@ __CMPWAIT_CASE( ,  , 8);
 #undef __CMPWAIT_CASE
 
 #define __CMPWAIT_GEN(sfx)						\
-static inline void __cmpwait##sfx(volatile void *ptr,			\
+static __always_inline void __cmpwait##sfx(volatile void *ptr,		\
 				  unsigned long val,			\
 				  int size)				\
 {									\
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 3cc5b2e4263c..47d50197789b 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -637,7 +637,7 @@ static __maybe_unused void build_convert_pte_to_entrylo(u32 **p,
 		return;
 	}
 
-	if (cpu_has_rixi && _PAGE_NO_EXEC) {
+	if (cpu_has_rixi && !!_PAGE_NO_EXEC) {
 		if (fill_includes_sw_bits) {
 			UASM_i_ROTR(p, reg, reg, ilog2(_PAGE_GLOBAL));
 		} else {
diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h
index f4c7467f7465..b73ab8a7ebc3 100644
--- a/arch/powerpc/include/asm/futex.h
+++ b/arch/powerpc/include/asm/futex.h
@@ -60,8 +60,7 @@ static inline int arch_futex_atomic_op_inuser(int op, int oparg, int *oval,
 
 	pagefault_enable();
 
-	if (!ret)
-		*oval = oldval;
+	*oval = oldval;
 
 	return ret;
 }
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 92474227262b..0c8b966e8070 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -467,6 +467,10 @@ EXC_COMMON_BEGIN(machine_check_handle_early)
 	RFI_TO_USER_OR_KERNEL
 9:
 	/* Deliver the machine check to host kernel in V mode. */
+BEGIN_FTR_SECTION
+	ld	r10,ORIG_GPR3(r1)
+	mtspr	SPRN_CFAR,r10
+END_FTR_SECTION_IFSET(CPU_FTR_CFAR)
 	MACHINE_CHECK_HANDLER_WINDUP
 	b	machine_check_pSeries
 
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 6a3e5de544ce..a309a7a29cc6 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -874,15 +874,17 @@ static int rtas_cpu_state_change_mask(enum rtas_cpu_state state,
 		return 0;
 
 	for_each_cpu(cpu, cpus) {
+		struct device *dev = get_cpu_device(cpu);
+
 		switch (state) {
 		case DOWN:
-			cpuret = cpu_down(cpu);
+			cpuret = device_offline(dev);
 			break;
 		case UP:
-			cpuret = cpu_up(cpu);
+			cpuret = device_online(dev);
 			break;
 		}
-		if (cpuret) {
+		if (cpuret < 0) {
 			pr_debug("%s: cpu_%s for cpu#%d returned %d.\n",
 					__func__,
 					((state == UP) ? "up" : "down"),
@@ -971,6 +973,8 @@ int rtas_ibm_suspend_me(u64 handle)
 	data.token = rtas_token("ibm,suspend-me");
 	data.complete = &done;
 
+	lock_device_hotplug();
+
 	/* All present CPUs must be online */
 	cpumask_andnot(offline_mask, cpu_present_mask, cpu_online_mask);
 	cpuret = rtas_online_cpus_mask(offline_mask);
@@ -1002,6 +1006,7 @@ int rtas_ibm_suspend_me(u64 handle)
 				__func__);
 
 out:
+	unlock_device_hotplug();
 	free_cpumask_var(offline_mask);
 	return atomic_read(&data.error);
 }
diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c
index 3784a7abfcc8..74791e8382d2 100644
--- a/arch/powerpc/platforms/pseries/mobility.c
+++ b/arch/powerpc/platforms/pseries/mobility.c
@@ -11,6 +11,7 @@
 
 #include <linux/kernel.h>
 #include <linux/kobject.h>
+#include <linux/sched.h>
 #include <linux/smp.h>
 #include <linux/stat.h>
 #include <linux/completion.h>
@@ -206,7 +207,11 @@ static int update_dt_node(__be32 phandle, s32 scope)
 
 				prop_data += vd;
 			}
+
+			cond_resched();
 		}
+
+		cond_resched();
 	} while (rtas_rc == 1);
 
 	of_node_put(dn);
@@ -282,8 +287,12 @@ int pseries_devicetree_update(s32 scope)
 					add_dt_node(phandle, drc_index);
 					break;
 				}
+
+				cond_resched();
 			}
 		}
+
+		cond_resched();
 	} while (rc == 1);
 
 	kfree(rtas_buf);
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index adb09ab87f7c..30782859d898 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -298,6 +298,9 @@ static void pseries_lpar_idle(void)
 	 * low power mode by ceding processor to hypervisor
 	 */
 
+	if (!prep_irq_for_idle())
+		return;
+
 	/* Indicate to hypervisor that we are idle. */
 	get_lppaca()->idle = 1;
 
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 2a17123130d3..224aeda1e8cc 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -267,7 +267,7 @@ static int hypfs_show_options(struct seq_file *s, struct dentry *root)
 static int hypfs_fill_super(struct super_block *sb, void *data, int silent)
 {
 	struct inode *root_inode;
-	struct dentry *root_dentry;
+	struct dentry *root_dentry, *update_file;
 	int rc = 0;
 	struct hypfs_sb_info *sbi;
 
@@ -298,9 +298,10 @@ static int hypfs_fill_super(struct super_block *sb, void *data, int silent)
 		rc = hypfs_diag_create_files(root_dentry);
 	if (rc)
 		return rc;
-	sbi->update_file = hypfs_create_update_file(root_dentry);
-	if (IS_ERR(sbi->update_file))
-		return PTR_ERR(sbi->update_file);
+	update_file = hypfs_create_update_file(root_dentry);
+	if (IS_ERR(update_file))
+		return PTR_ERR(update_file);
+	sbi->update_file = update_file;
 	hypfs_update_update(sb);
 	pr_info("Hypervisor filesystem mounted\n");
 	return 0;
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 8056759073b0..e12288c245b5 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -334,7 +334,8 @@ enum {
 	BINDER_LOOPER_STATE_EXITED      = 0x04,
 	BINDER_LOOPER_STATE_INVALID     = 0x08,
 	BINDER_LOOPER_STATE_WAITING     = 0x10,
-	BINDER_LOOPER_STATE_NEED_RETURN = 0x20
+	BINDER_LOOPER_STATE_NEED_RETURN = 0x20,
+	BINDER_LOOPER_STATE_POLL	= 0x40,
 };
 
 struct binder_thread {
@@ -2628,6 +2629,27 @@ static int binder_free_thread(struct binder_proc *proc,
 		} else
 			BUG();
 	}
+
+	/*
+	 * If this thread used poll, make sure we remove the waitqueue
+	 * from any epoll data structures holding it with POLLFREE.
+	 * waitqueue_active() is safe to use here because we're holding
+	 * the global lock.
+	 */
+	if ((thread->looper & BINDER_LOOPER_STATE_POLL) &&
+	    waitqueue_active(&thread->wait)) {
+		wake_up_poll(&thread->wait, POLLHUP | POLLFREE);
+	}
+
+	/*
+	 * This is needed to avoid races between wake_up_poll() above and
+	 * and ep_remove_waitqueue() called for other reasons (eg the epoll file
+	 * descriptor being closed); ep_remove_waitqueue() holds an RCU read
+	 * lock, so we can be sure it's done after calling synchronize_rcu().
+	 */
+	if (thread->looper & BINDER_LOOPER_STATE_POLL)
+		synchronize_rcu();
+
 	if (send_reply)
 		binder_send_failed_reply(send_reply, BR_DEAD_REPLY);
 	binder_release_work(&thread->todo);
@@ -2651,6 +2673,8 @@ static unsigned int binder_poll(struct file *filp,
 		return POLLERR;
 	}
 
+	thread->looper |= BINDER_LOOPER_STATE_POLL;
+
 	wait_for_proc_work = thread->transaction_stack == NULL &&
 		list_empty(&thread->todo) && thread->return_error == BR_OK;
 
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index e0a53156b782..82af65818444 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -283,6 +283,9 @@ struct smi_info {
 	 */
 	bool irq_enable_broken;
 
+	/* Is the driver in maintenance mode? */
+	bool in_maintenance_mode;
+
 	/*
 	 * Did we get an attention that we did not handle?
 	 */
@@ -1093,11 +1096,20 @@ static int ipmi_thread(void *data)
 		spin_unlock_irqrestore(&(smi_info->si_lock), flags);
 		busy_wait = ipmi_thread_busy_wait(smi_result, smi_info,
 						  &busy_until);
-		if (smi_result == SI_SM_CALL_WITHOUT_DELAY)
+		if (smi_result == SI_SM_CALL_WITHOUT_DELAY) {
 			; /* do nothing */
-		else if (smi_result == SI_SM_CALL_WITH_DELAY && busy_wait)
-			schedule();
-		else if (smi_result == SI_SM_IDLE) {
+		} else if (smi_result == SI_SM_CALL_WITH_DELAY && busy_wait) {
+			/*
+			 * In maintenance mode we run as fast as
+			 * possible to allow firmware updates to
+			 * complete as fast as possible, but normally
+			 * don't bang on the scheduler.
+			 */
+			if (smi_info->in_maintenance_mode)
+				schedule();
+			else
+				usleep_range(100, 200);
+		} else if (smi_result == SI_SM_IDLE) {
 			if (atomic_read(&smi_info->need_watch)) {
 				schedule_timeout_interruptible(100);
 			} else {
@@ -1105,8 +1117,9 @@ static int ipmi_thread(void *data)
 				__set_current_state(TASK_INTERRUPTIBLE);
 				schedule();
 			}
-		} else
+		} else {
 			schedule_timeout_interruptible(1);
+		}
 	}
 	return 0;
 }
@@ -1285,6 +1298,7 @@ static void set_maintenance_mode(void *send_info, bool enable)
 
 	if (!enable)
 		atomic_set(&smi_info->req_events, 0);
+	smi_info->in_maintenance_mode = enable;
 }
 
 static const struct ipmi_smi_handlers handlers = {
diff --git a/drivers/clk/at91/clk-main.c b/drivers/clk/at91/clk-main.c
index c813c27f2e58..2f97a843d6d6 100644
--- a/drivers/clk/at91/clk-main.c
+++ b/drivers/clk/at91/clk-main.c
@@ -27,6 +27,10 @@
 
 #define MOR_KEY_MASK		(0xff << 16)
 
+#define clk_main_parent_select(s)	(((s) & \
+					(AT91_PMC_MOSCEN | \
+					AT91_PMC_OSCBYPASS)) ? 1 : 0)
+
 struct clk_main_osc {
 	struct clk_hw hw;
 	struct regmap *regmap;
@@ -119,7 +123,7 @@ static int clk_main_osc_is_prepared(struct clk_hw *hw)
 
 	regmap_read(regmap, AT91_PMC_SR, &status);
 
-	return (status & AT91_PMC_MOSCS) && (tmp & AT91_PMC_MOSCEN);
+	return (status & AT91_PMC_MOSCS) && clk_main_parent_select(tmp);
 }
 
 static const struct clk_ops main_osc_ops = {
@@ -530,7 +534,7 @@ static u8 clk_sam9x5_main_get_parent(struct clk_hw *hw)
 
 	regmap_read(clkmain->regmap, AT91_CKGR_MOR, &status);
 
-	return status & AT91_PMC_MOSCEN ? 1 : 0;
+	return clk_main_parent_select(status);
 }
 
 static const struct clk_ops sam9x5_main_ops = {
@@ -572,7 +576,7 @@ at91_clk_register_sam9x5_main(struct regmap *regmap,
 	clkmain->hw.init = &init;
 	clkmain->regmap = regmap;
 	regmap_read(clkmain->regmap, AT91_CKGR_MOR, &status);
-	clkmain->parent = status & AT91_PMC_MOSCEN ? 1 : 0;
+	clkmain->parent = clk_main_parent_select(status);
 
 	hw = &clkmain->hw;
 	ret = clk_hw_register(NULL, &clkmain->hw);
diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c
index 80ae2a51452d..cdce49f6476a 100644
--- a/drivers/clk/clk-qoriq.c
+++ b/drivers/clk/clk-qoriq.c
@@ -540,7 +540,7 @@ static const struct clockgen_chipinfo chipinfo[] = {
 		.guts_compat = "fsl,qoriq-device-config-1.0",
 		.init_periph = p5020_init_periph,
 		.cmux_groups = {
-			&p2041_cmux_grp1, &p2041_cmux_grp2
+			&p5020_cmux_grp1, &p5020_cmux_grp2
 		},
 		.cmux_to_group = {
 			0, 1, -1
diff --git a/drivers/clk/sirf/clk-common.c b/drivers/clk/sirf/clk-common.c
index 77e1e2491689..edb7197cc4b4 100644
--- a/drivers/clk/sirf/clk-common.c
+++ b/drivers/clk/sirf/clk-common.c
@@ -298,9 +298,10 @@ static u8 dmn_clk_get_parent(struct clk_hw *hw)
 {
 	struct clk_dmn *clk = to_dmnclk(hw);
 	u32 cfg = clkc_readl(clk->regofs);
+	const char *name = clk_hw_get_name(hw);
 
 	/* parent of io domain can only be pll3 */
-	if (strcmp(hw->init->name, "io") == 0)
+	if (strcmp(name, "io") == 0)
 		return 4;
 
 	WARN_ON((cfg & (BIT(3) - 1)) > 4);
@@ -312,9 +313,10 @@ static int dmn_clk_set_parent(struct clk_hw *hw, u8 parent)
 {
 	struct clk_dmn *clk = to_dmnclk(hw);
 	u32 cfg = clkc_readl(clk->regofs);
+	const char *name = clk_hw_get_name(hw);
 
 	/* parent of io domain can only be pll3 */
-	if (strcmp(hw->init->name, "io") == 0)
+	if (strcmp(name, "io") == 0)
 		return -EINVAL;
 
 	cfg &= ~(BIT(3) - 1);
@@ -354,7 +356,8 @@ static long dmn_clk_round_rate(struct clk_hw *hw, unsigned long rate,
 {
 	unsigned long fin;
 	unsigned ratio, wait, hold;
-	unsigned bits = (strcmp(hw->init->name, "mem") == 0) ? 3 : 4;
+	const char *name = clk_hw_get_name(hw);
+	unsigned bits = (strcmp(name, "mem") == 0) ? 3 : 4;
 
 	fin = *parent_rate;
 	ratio = fin / rate;
@@ -376,7 +379,8 @@ static int dmn_clk_set_rate(struct clk_hw *hw, unsigned long rate,
 	struct clk_dmn *clk = to_dmnclk(hw);
 	unsigned long fin;
 	unsigned ratio, wait, hold, reg;
-	unsigned bits = (strcmp(hw->init->name, "mem") == 0) ? 3 : 4;
+	const char *name = clk_hw_get_name(hw);
+	unsigned bits = (strcmp(name, "mem") == 0) ? 3 : 4;
 
 	fin = parent_rate;
 	ratio = fin / rate;
diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c
index 327bdf13e8bc..b0beb5e537bc 100644
--- a/drivers/gpu/drm/amd/amdgpu/si.c
+++ b/drivers/gpu/drm/amd/amdgpu/si.c
@@ -1606,7 +1606,7 @@ static void si_program_aspm(struct amdgpu_device *adev)
 			if (orig != data)
 				si_pif_phy1_wreg(adev,PB1_PIF_PWRDOWN_1, data);
 
-			if ((adev->family != CHIP_OLAND) && (adev->family != CHIP_HAINAN)) {
+			if ((adev->asic_type != CHIP_OLAND) && (adev->asic_type != CHIP_HAINAN)) {
 				orig = data = si_pif_phy0_rreg(adev,PB0_PIF_PWRDOWN_0);
 				data &= ~PLL_RAMP_UP_TIME_0_MASK;
 				if (orig != data)
@@ -1655,14 +1655,14 @@ static void si_program_aspm(struct amdgpu_device *adev)
 
 			orig = data = si_pif_phy0_rreg(adev,PB0_PIF_CNTL);
 			data &= ~LS2_EXIT_TIME_MASK;
-			if ((adev->family == CHIP_OLAND) || (adev->family == CHIP_HAINAN))
+			if ((adev->asic_type == CHIP_OLAND) || (adev->asic_type == CHIP_HAINAN))
 				data |= LS2_EXIT_TIME(5);
 			if (orig != data)
 				si_pif_phy0_wreg(adev,PB0_PIF_CNTL, data);
 
 			orig = data = si_pif_phy1_rreg(adev,PB1_PIF_CNTL);
 			data &= ~LS2_EXIT_TIME_MASK;
-			if ((adev->family == CHIP_OLAND) || (adev->family == CHIP_HAINAN))
+			if ((adev->asic_type == CHIP_OLAND) || (adev->asic_type == CHIP_HAINAN))
 				data |= LS2_EXIT_TIME(5);
 			if (orig != data)
 				si_pif_phy1_wreg(adev,PB1_PIF_CNTL, data);
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index 80993a8734e0..8b6f8fac92e8 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -300,7 +300,7 @@ static ssize_t tc_aux_transfer(struct drm_dp_aux *aux,
 			       struct drm_dp_aux_msg *msg)
 {
 	struct tc_data *tc = aux_to_tc(aux);
-	size_t size = min_t(size_t, 8, msg->size);
+	size_t size = min_t(size_t, DP_AUX_MAX_PAYLOAD_BYTES - 1, msg->size);
 	u8 request = msg->request & ~DP_AUX_I2C_MOT;
 	u8 *buf = msg->buffer;
 	u32 tmp = 0;
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index c5e1aa5f1d8e..efa875120071 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -764,7 +764,7 @@ static int radeon_connector_set_property(struct drm_connector *connector, struct
 
 		radeon_encoder->output_csc = val;
 
-		if (connector->encoder->crtc) {
+		if (connector->encoder && connector->encoder->crtc) {
 			struct drm_crtc *crtc  = connector->encoder->crtc;
 			const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
 			struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 30bd4a6a9d46..3ccf5b28b326 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -366,11 +366,19 @@ radeon_pci_remove(struct pci_dev *pdev)
 static void
 radeon_pci_shutdown(struct pci_dev *pdev)
 {
+	struct drm_device *ddev = pci_get_drvdata(pdev);
+
 	/* if we are running in a VM, make sure the device
 	 * torn down properly on reboot/shutdown
 	 */
 	if (radeon_device_is_virtual())
 		radeon_pci_remove(pdev);
+
+	/* Some adapters need to be suspended before a
+	* shutdown occurs in order to prevent an error
+	* during kexec.
+	*/
+	radeon_suspend_kms(ddev, true, true, false);
 }
 
 static int radeon_pmops_suspend(struct device *dev)
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index 65a0c79f212e..31c087e1746d 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -55,7 +55,6 @@ MODULE_PARM_DESC(swap_opt_cmd, "Swap the Option (\"Alt\") and Command (\"Flag\")
 struct apple_sc {
 	unsigned long quirks;
 	unsigned int fn_on;
-	DECLARE_BITMAP(pressed_fn, KEY_CNT);
 	DECLARE_BITMAP(pressed_numlock, KEY_CNT);
 };
 
@@ -182,6 +181,8 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
 {
 	struct apple_sc *asc = hid_get_drvdata(hid);
 	const struct apple_key_translation *trans, *table;
+	bool do_translate;
+	u16 code = 0;
 
 	if (usage->code == KEY_FN) {
 		asc->fn_on = !!value;
@@ -190,8 +191,6 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
 	}
 
 	if (fnmode) {
-		int do_translate;
-
 		if (hid->product >= USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI &&
 				hid->product <= USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS)
 			table = macbookair_fn_keys;
@@ -203,25 +202,33 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
 		trans = apple_find_translation (table, usage->code);
 
 		if (trans) {
-			if (test_bit(usage->code, asc->pressed_fn))
-				do_translate = 1;
-			else if (trans->flags & APPLE_FLAG_FKEY)
-				do_translate = (fnmode == 2 && asc->fn_on) ||
-					(fnmode == 1 && !asc->fn_on);
-			else
-				do_translate = asc->fn_on;
-
-			if (do_translate) {
-				if (value)
-					set_bit(usage->code, asc->pressed_fn);
-				else
-					clear_bit(usage->code, asc->pressed_fn);
-
-				input_event(input, usage->type, trans->to,
-						value);
-
-				return 1;
+			if (test_bit(trans->from, input->key))
+				code = trans->from;
+			else if (test_bit(trans->to, input->key))
+				code = trans->to;
+
+			if (!code) {
+				if (trans->flags & APPLE_FLAG_FKEY) {
+					switch (fnmode) {
+					case 1:
+						do_translate = !asc->fn_on;
+						break;
+					case 2:
+						do_translate = asc->fn_on;
+						break;
+					default:
+						/* should never happen */
+						do_translate = false;
+					}
+				} else {
+					do_translate = asc->fn_on;
+				}
+
+				code = do_translate ? trans->to : trans->from;
 			}
+
+			input_event(input, usage->type, code, value);
+			return 1;
 		}
 
 		if (asc->quirks & APPLE_NUMLOCK_EMULATION &&
diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c
index 9ff243970e93..5b41111e62fd 100644
--- a/drivers/mfd/intel-lpss-pci.c
+++ b/drivers/mfd/intel-lpss-pci.c
@@ -39,6 +39,8 @@ static int intel_lpss_pci_probe(struct pci_dev *pdev,
 	info->mem = &pdev->resource[0];
 	info->irq = pdev->irq;
 
+	pdev->d3cold_delay = 0;
+
 	/* Probably it is enough to set this for iDMA capable devices only */
 	pci_set_master(pdev);
 
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
index 23d6c44dc459..9ce1ad3d950c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
@@ -137,13 +137,12 @@ static int uldrx_handler(struct sge_rspq *q, const __be64 *rsp,
 static int alloc_uld_rxqs(struct adapter *adap,
 			  struct sge_uld_rxq_info *rxq_info, bool lro)
 {
-	struct sge *s = &adap->sge;
 	unsigned int nq = rxq_info->nrxq + rxq_info->nciq;
+	int i, err, msi_idx, que_idx = 0, bmap_idx = 0;
 	struct sge_ofld_rxq *q = rxq_info->uldrxq;
 	unsigned short *ids = rxq_info->rspq_id;
-	unsigned int bmap_idx = 0;
+	struct sge *s = &adap->sge;
 	unsigned int per_chan;
-	int i, err, msi_idx, que_idx = 0;
 
 	per_chan = rxq_info->nrxq / adap->params.nports;
 
@@ -161,6 +160,10 @@ static int alloc_uld_rxqs(struct adapter *adap,
 
 		if (msi_idx >= 0) {
 			bmap_idx = get_msix_idx_from_bmap(adap);
+			if (bmap_idx < 0) {
+				err = -ENOSPC;
+				goto freeout;
+			}
 			msi_idx = adap->msix_info_ulds[bmap_idx].idx;
 		}
 		err = t4_sge_alloc_rxq(adap, &q->rspq, false,
diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c
index 355c5fb802cd..c653b97d84d5 100644
--- a/drivers/net/ethernet/qlogic/qla3xxx.c
+++ b/drivers/net/ethernet/qlogic/qla3xxx.c
@@ -2783,6 +2783,7 @@ static int ql_alloc_large_buffers(struct ql3_adapter *qdev)
 				netdev_err(qdev->ndev,
 					   "PCI mapping failed with error: %d\n",
 					   err);
+				dev_kfree_skb_irq(skb);
 				ql_free_large_buffers(qdev);
 				return -ENOMEM;
 			}
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 66ae647b712e..27fc699d8be5 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2635,14 +2635,18 @@ static struct hso_device *hso_create_bulk_serial_device(
 		 */
 		if (serial->tiocmget) {
 			tiocmget = serial->tiocmget;
+			tiocmget->endp = hso_get_ep(interface,
+						    USB_ENDPOINT_XFER_INT,
+						    USB_DIR_IN);
+			if (!tiocmget->endp) {
+				dev_err(&interface->dev, "Failed to find INT IN ep\n");
+				goto exit;
+			}
+
 			tiocmget->urb = usb_alloc_urb(0, GFP_KERNEL);
 			if (tiocmget->urb) {
 				mutex_init(&tiocmget->mutex);
 				init_waitqueue_head(&tiocmget->waitq);
-				tiocmget->endp = hso_get_ep(
-					interface,
-					USB_ENDPOINT_XFER_INT,
-					USB_DIR_IN);
 			} else
 				hso_free_tiomget(serial);
 		}
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 05953e14a064..0d48714c3f28 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -940,6 +940,7 @@ static const struct usb_device_id products[] = {
 	{QMI_FIXED_INTF(0x1e2d, 0x0082, 4)},	/* Cinterion PHxx,PXxx (2 RmNet) */
 	{QMI_FIXED_INTF(0x1e2d, 0x0082, 5)},	/* Cinterion PHxx,PXxx (2 RmNet) */
 	{QMI_FIXED_INTF(0x1e2d, 0x0083, 4)},	/* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/
+	{QMI_QUIRK_SET_DTR(0x1e2d, 0x00b0, 4)},	/* Cinterion CLS8 */
 	{QMI_FIXED_INTF(0x413c, 0x81a2, 8)},	/* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
 	{QMI_FIXED_INTF(0x413c, 0x81a3, 8)},	/* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
 	{QMI_FIXED_INTF(0x413c, 0x81a4, 8)},	/* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index c31c564b8eab..6d391a268469 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -888,9 +888,9 @@ static int xennet_set_skb_gso(struct sk_buff *skb,
 	return 0;
 }
 
-static RING_IDX xennet_fill_frags(struct netfront_queue *queue,
-				  struct sk_buff *skb,
-				  struct sk_buff_head *list)
+static int xennet_fill_frags(struct netfront_queue *queue,
+			     struct sk_buff *skb,
+			     struct sk_buff_head *list)
 {
 	RING_IDX cons = queue->rx.rsp_cons;
 	struct sk_buff *nskb;
@@ -909,7 +909,7 @@ static RING_IDX xennet_fill_frags(struct netfront_queue *queue,
 		if (unlikely(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS)) {
 			queue->rx.rsp_cons = ++cons + skb_queue_len(list);
 			kfree_skb(nskb);
-			return ~0U;
+			return -ENOENT;
 		}
 
 		skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
@@ -920,7 +920,9 @@ static RING_IDX xennet_fill_frags(struct netfront_queue *queue,
 		kfree_skb(nskb);
 	}
 
-	return cons;
+	queue->rx.rsp_cons = cons;
+
+	return 0;
 }
 
 static int checksum_setup(struct net_device *dev, struct sk_buff *skb)
@@ -1046,8 +1048,7 @@ err:
 		skb->data_len = rx->status;
 		skb->len += rx->status;
 
-		i = xennet_fill_frags(queue, skb, &tmpq);
-		if (unlikely(i == ~0U))
+		if (unlikely(xennet_fill_frags(queue, skb, &tmpq)))
 			goto err;
 
 		if (rx->flags & XEN_NETRXF_csum_blank)
@@ -1057,7 +1058,7 @@ err:
 
 		__skb_queue_tail(&rxq, skb);
 
-		queue->rx.rsp_cons = ++i;
+		i = ++queue->rx.rsp_cons;
 		work_done++;
 	}
 
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index 8dfccf733241..8e101b19c4d6 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -1898,14 +1898,15 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
 		err = of_pci_get_devfn(port);
 		if (err < 0) {
 			dev_err(dev, "failed to parse address: %d\n", err);
-			return err;
+			goto err_node_put;
 		}
 
 		index = PCI_SLOT(err);
 
 		if (index < 1 || index > soc->num_ports) {
 			dev_err(dev, "invalid port number: %d\n", index);
-			return -EINVAL;
+			err = -EINVAL;
+			goto err_node_put;
 		}
 
 		index--;
@@ -1914,12 +1915,13 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
 		if (err < 0) {
 			dev_err(dev, "failed to parse # of lanes: %d\n",
 				err);
-			return err;
+			goto err_node_put;
 		}
 
 		if (value > 16) {
 			dev_err(dev, "invalid # of lanes: %u\n", value);
-			return -EINVAL;
+			err = -EINVAL;
+			goto err_node_put;
 		}
 
 		lanes |= value << (index << 3);
@@ -1933,13 +1935,15 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
 		lane += value;
 
 		rp = devm_kzalloc(dev, sizeof(*rp), GFP_KERNEL);
-		if (!rp)
-			return -ENOMEM;
+		if (!rp) {
+			err = -ENOMEM;
+			goto err_node_put;
+		}
 
 		err = of_address_to_resource(port, 0, &rp->regs);
 		if (err < 0) {
 			dev_err(dev, "failed to parse address: %d\n", err);
-			return err;
+			goto err_node_put;
 		}
 
 		INIT_LIST_HEAD(&rp->list);
@@ -1966,6 +1970,10 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
 		return err;
 
 	return 0;
+
+err_node_put:
+	of_node_put(port);
+	return err;
 }
 
 /*
diff --git a/drivers/pinctrl/tegra/pinctrl-tegra.c b/drivers/pinctrl/tegra/pinctrl-tegra.c
index 277622b4b6fb..1d9f63e954c7 100644
--- a/drivers/pinctrl/tegra/pinctrl-tegra.c
+++ b/drivers/pinctrl/tegra/pinctrl-tegra.c
@@ -52,7 +52,9 @@ static inline u32 pmx_readl(struct tegra_pmx *pmx, u32 bank, u32 reg)
 
 static inline void pmx_writel(struct tegra_pmx *pmx, u32 val, u32 bank, u32 reg)
 {
-	writel(val, pmx->regs[bank] + reg);
+	writel_relaxed(val, pmx->regs[bank] + reg);
+	/* make sure pinmux register write completed */
+	pmx_readl(pmx, bank, reg);
 }
 
 static int tegra_pinctrl_get_groups_count(struct pinctrl_dev *pctldev)
diff --git a/drivers/scsi/scsi_logging.c b/drivers/scsi/scsi_logging.c
index bd70339c1242..03d9855a6afd 100644
--- a/drivers/scsi/scsi_logging.c
+++ b/drivers/scsi/scsi_logging.c
@@ -16,57 +16,15 @@
 #include <scsi/scsi_eh.h>
 #include <scsi/scsi_dbg.h>
 
-#define SCSI_LOG_SPOOLSIZE 4096
-
-#if (SCSI_LOG_SPOOLSIZE / SCSI_LOG_BUFSIZE) > BITS_PER_LONG
-#warning SCSI logging bitmask too large
-#endif
-
-struct scsi_log_buf {
-	char buffer[SCSI_LOG_SPOOLSIZE];
-	unsigned long map;
-};
-
-static DEFINE_PER_CPU(struct scsi_log_buf, scsi_format_log);
-
 static char *scsi_log_reserve_buffer(size_t *len)
 {
-	struct scsi_log_buf *buf;
-	unsigned long map_bits = sizeof(buf->buffer) / SCSI_LOG_BUFSIZE;
-	unsigned long idx = 0;
-
-	preempt_disable();
-	buf = this_cpu_ptr(&scsi_format_log);
-	idx = find_first_zero_bit(&buf->map, map_bits);
-	if (likely(idx < map_bits)) {
-		while (test_and_set_bit(idx, &buf->map)) {
-			idx = find_next_zero_bit(&buf->map, map_bits, idx);
-			if (idx >= map_bits)
-				break;
-		}
-	}
-	if (WARN_ON(idx >= map_bits)) {
-		preempt_enable();
-		return NULL;
-	}
-	*len = SCSI_LOG_BUFSIZE;
-	return buf->buffer + idx * SCSI_LOG_BUFSIZE;
+	*len = 128;
+	return kmalloc(*len, GFP_ATOMIC);
 }
 
 static void scsi_log_release_buffer(char *bufptr)
 {
-	struct scsi_log_buf *buf;
-	unsigned long idx;
-	int ret;
-
-	buf = this_cpu_ptr(&scsi_format_log);
-	if (bufptr >= buf->buffer &&
-	    bufptr < buf->buffer + SCSI_LOG_SPOOLSIZE) {
-		idx = (bufptr - buf->buffer) / SCSI_LOG_BUFSIZE;
-		ret = test_and_clear_bit(idx, &buf->map);
-		WARN_ON(!ret);
-	}
-	preempt_enable();
+	kfree(bufptr);
 }
 
 static inline const char *scmd_name(const struct scsi_cmnd *scmd)
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index f9a75df2d22d..a1a712d18e02 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -356,11 +356,20 @@ static void vfio_pci_disable(struct vfio_pci_device *vdev)
 	pci_write_config_word(pdev, PCI_COMMAND, PCI_COMMAND_INTX_DISABLE);
 
 	/*
-	 * Try to reset the device.  The success of this is dependent on
-	 * being able to lock the device, which is not always possible.
+	 * Try to get the locks ourselves to prevent a deadlock. The
+	 * success of this is dependent on being able to lock the device,
+	 * which is not always possible.
+	 * We can not use the "try" reset interface here, which will
+	 * overwrite the previously restored configuration information.
 	 */
-	if (vdev->reset_works && !pci_try_reset_function(pdev))
-		vdev->needs_reset = false;
+	if (vdev->reset_works && pci_cfg_access_trylock(pdev)) {
+		if (device_trylock(&pdev->dev)) {
+			if (!__pci_reset_function_locked(pdev))
+				vdev->needs_reset = false;
+			device_unlock(&pdev->dev);
+		}
+		pci_cfg_access_unlock(pdev);
+	}
 
 	pci_restore_state(pdev);
 out:
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 2925d5ce8d3e..1267b93c03bd 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -430,7 +430,7 @@ static int ssd1307fb_init(struct ssd1307fb_par *par)
 	if (ret < 0)
 		return ret;
 
-	ret = ssd1307fb_write_cmd(par->client, 0x0);
+	ret = ssd1307fb_write_cmd(par->client, par->page_offset);
 	if (ret < 0)
 		return ret;
 
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index 81cecbe6d7cf..971e369517a7 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -1097,8 +1097,11 @@ static int fat_zeroed_cluster(struct inode *dir, sector_t blknr, int nr_used,
 			err = -ENOMEM;
 			goto error;
 		}
+		/* Avoid race with userspace read via bdev */
+		lock_buffer(bhs[n]);
 		memset(bhs[n]->b_data, 0, sb->s_blocksize);
 		set_buffer_uptodate(bhs[n]);
+		unlock_buffer(bhs[n]);
 		mark_buffer_dirty_inode(bhs[n], dir);
 
 		n++;
@@ -1155,6 +1158,8 @@ int fat_alloc_new_dir(struct inode *dir, struct timespec *ts)
 	fat_time_unix2fat(sbi, ts, &time, &date, &time_cs);
 
 	de = (struct msdos_dir_entry *)bhs[0]->b_data;
+	/* Avoid race with userspace read via bdev */
+	lock_buffer(bhs[0]);
 	/* filling the new directory slots ("." and ".." entries) */
 	memcpy(de[0].name, MSDOS_DOT, MSDOS_NAME);
 	memcpy(de[1].name, MSDOS_DOTDOT, MSDOS_NAME);
@@ -1177,6 +1182,7 @@ int fat_alloc_new_dir(struct inode *dir, struct timespec *ts)
 	de[0].size = de[1].size = 0;
 	memset(de + 2, 0, sb->s_blocksize - 2 * sizeof(*de));
 	set_buffer_uptodate(bhs[0]);
+	unlock_buffer(bhs[0]);
 	mark_buffer_dirty_inode(bhs[0], dir);
 
 	err = fat_zeroed_cluster(dir, blknr, 1, bhs, MAX_BUF_PER_PAGE);
@@ -1234,11 +1240,14 @@ static int fat_add_new_entries(struct inode *dir, void *slots, int nr_slots,
 
 			/* fill the directory entry */
 			copy = min(size, sb->s_blocksize);
+			/* Avoid race with userspace read via bdev */
+			lock_buffer(bhs[n]);
 			memcpy(bhs[n]->b_data, slots, copy);
-			slots += copy;
-			size -= copy;
 			set_buffer_uptodate(bhs[n]);
+			unlock_buffer(bhs[n]);
 			mark_buffer_dirty_inode(bhs[n], dir);
+			slots += copy;
+			size -= copy;
 			if (!size)
 				break;
 			n++;
diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
index a9cad9b60790..0129d4d07a54 100644
--- a/fs/fat/fatent.c
+++ b/fs/fat/fatent.c
@@ -389,8 +389,11 @@ static int fat_mirror_bhs(struct super_block *sb, struct buffer_head **bhs,
 				err = -ENOMEM;
 				goto error;
 			}
+			/* Avoid race with userspace read via bdev */
+			lock_buffer(c_bh);
 			memcpy(c_bh->b_data, bhs[n]->b_data, sb->s_blocksize);
 			set_buffer_uptodate(c_bh);
+			unlock_buffer(c_bh);
 			mark_buffer_dirty_inode(c_bh, sbi->fat_inode);
 			if (sb->s_flags & MS_SYNCHRONOUS)
 				err = sync_dirty_buffer(c_bh);
diff --git a/fs/ocfs2/dlm/dlmunlock.c b/fs/ocfs2/dlm/dlmunlock.c
index 1082b2c3014b..5f2a120240e5 100644
--- a/fs/ocfs2/dlm/dlmunlock.c
+++ b/fs/ocfs2/dlm/dlmunlock.c
@@ -105,7 +105,8 @@ static enum dlm_status dlmunlock_common(struct dlm_ctxt *dlm,
 	enum dlm_status status;
 	int actions = 0;
 	int in_use;
-        u8 owner;
+	u8 owner;
+	int recovery_wait = 0;
 
 	mlog(0, "master_node = %d, valblk = %d\n", master_node,
 	     flags & LKM_VALBLK);
@@ -208,9 +209,12 @@ static enum dlm_status dlmunlock_common(struct dlm_ctxt *dlm,
 		}
 		if (flags & LKM_CANCEL)
 			lock->cancel_pending = 0;
-		else
-			lock->unlock_pending = 0;
-
+		else {
+			if (!lock->unlock_pending)
+				recovery_wait = 1;
+			else
+				lock->unlock_pending = 0;
+		}
 	}
 
 	/* get an extra ref on lock.  if we are just switching
@@ -244,6 +248,17 @@ leave:
 	spin_unlock(&res->spinlock);
 	wake_up(&res->wq);
 
+	if (recovery_wait) {
+		spin_lock(&res->spinlock);
+		/* Unlock request will directly succeed after owner dies,
+		 * and the lock is already removed from grant list. We have to
+		 * wait for RECOVERING done or we miss the chance to purge it
+		 * since the removement is much faster than RECOVERING proc.
+		 */
+		__dlm_wait_on_lockres_flags(res, DLM_LOCK_RES_RECOVERING);
+		spin_unlock(&res->spinlock);
+	}
+
 	/* let the caller's final dlm_lock_put handle the actual kfree */
 	if (actions & DLM_UNLOCK_FREE_LOCK) {
 		/* this should always be coupled with list removal */
diff --git a/include/scsi/scsi_dbg.h b/include/scsi/scsi_dbg.h
index 56710e03101c..1fcf14aee28a 100644
--- a/include/scsi/scsi_dbg.h
+++ b/include/scsi/scsi_dbg.h
@@ -5,8 +5,6 @@ struct scsi_cmnd;
 struct scsi_device;
 struct scsi_sense_hdr;
 
-#define SCSI_LOG_BUFSIZE 128
-
 extern void scsi_print_command(struct scsi_cmnd *);
 extern size_t __scsi_format_command(char *, size_t,
 				   const unsigned char *, size_t);
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 4f561860bf41..bc5ff3a53d4a 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -535,7 +535,7 @@ config DEBUG_KMEMLEAK_EARLY_LOG_SIZE
 	int "Maximum kmemleak early log entries"
 	depends on DEBUG_KMEMLEAK
 	range 200 40000
-	default 400
+	default 16000
 	help
 	  Kmemleak must track all the memory allocations to avoid
 	  reporting false positives. Since memory may be allocated or
diff --git a/net/core/sock.c b/net/core/sock.c
index 3041aa6df602..d22493351407 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1426,8 +1426,6 @@ static void __sk_destruct(struct rcu_head *head)
 		sk_filter_uncharge(sk, filter);
 		RCU_INIT_POINTER(sk->sk_filter, NULL);
 	}
-	if (rcu_access_pointer(sk->sk_reuseport_cb))
-		reuseport_detach_sock(sk);
 
 	sock_disable_timestamp(sk, SK_FLAGS_TIMESTAMP);
 
@@ -1450,7 +1448,14 @@ static void __sk_destruct(struct rcu_head *head)
 
 void sk_destruct(struct sock *sk)
 {
-	if (sock_flag(sk, SOCK_RCU_FREE))
+	bool use_call_rcu = sock_flag(sk, SOCK_RCU_FREE);
+
+	if (rcu_access_pointer(sk->sk_reuseport_cb)) {
+		reuseport_detach_sock(sk);
+		use_call_rcu = true;
+	}
+
+	if (use_call_rcu)
 		call_rcu(&sk->sk_rcu, __sk_destruct);
 	else
 		__sk_destruct(&sk->sk_rcu);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index d558dc076577..d1a302d321fa 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -903,16 +903,15 @@ void ip_rt_send_redirect(struct sk_buff *skb)
 	if (peer->rate_tokens == 0 ||
 	    time_after(jiffies,
 		       (peer->rate_last +
-			(ip_rt_redirect_load << peer->rate_tokens)))) {
+			(ip_rt_redirect_load << peer->n_redirects)))) {
 		__be32 gw = rt_nexthop(rt, ip_hdr(skb)->daddr);
 
 		icmp_send(skb, ICMP_REDIRECT, ICMP_REDIR_HOST, gw);
 		peer->rate_last = jiffies;
-		++peer->rate_tokens;
 		++peer->n_redirects;
 #ifdef CONFIG_IP_ROUTE_VERBOSE
 		if (log_martians &&
-		    peer->rate_tokens == ip_rt_redirect_number)
+		    peer->n_redirects == ip_rt_redirect_number)
 			net_warn_ratelimited("host %pI4/if%d ignores redirects for %pI4 to %pI4\n",
 					     &ip_hdr(skb)->saddr, inet_iif(skb),
 					     &ip_hdr(skb)->daddr, &gw);
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 4ce7f9195151..6b1310d5e808 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -5443,13 +5443,20 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
 	switch (event) {
 	case RTM_NEWADDR:
 		/*
-		 * If the address was optimistic
-		 * we inserted the route at the start of
-		 * our DAD process, so we don't need
-		 * to do it again
+		 * If the address was optimistic we inserted the route at the
+		 * start of our DAD process, so we don't need to do it again.
+		 * If the device was taken down in the middle of the DAD
+		 * cycle there is a race where we could get here without a
+		 * host route, so nothing to insert. That will be fixed when
+		 * the device is brought up.
 		 */
-		if (!rcu_access_pointer(ifp->rt->rt6i_node))
+		if (ifp->rt && !rcu_access_pointer(ifp->rt->rt6i_node)) {
 			ip6_ins_rt(ifp->rt);
+		} else if (!ifp->rt && (ifp->idev->dev->flags & IFF_UP)) {
+			pr_warn("BUG: Address %pI6c on device %s is missing its host route.\n",
+				&ifp->addr, ifp->idev->dev->name);
+		}
+
 		if (ifp->idev->cnf.forwarding)
 			addrconf_join_anycast(ifp);
 		if (!ipv6_addr_any(&ifp->peer_addr))
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index aacfb4bce153..e726a61ae6dc 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -168,6 +168,16 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
 	if (ipv6_addr_is_multicast(&hdr->saddr))
 		goto err;
 
+	/* While RFC4291 is not explicit about v4mapped addresses
+	 * in IPv6 headers, it seems clear linux dual-stack
+	 * model can not deal properly with these.
+	 * Security models could be fooled by ::ffff:127.0.0.1 for example.
+	 *
+	 * https://tools.ietf.org/html/draft-itojun-v6ops-v4mapped-harmful-02
+	 */
+	if (ipv6_addr_v4mapped(&hdr->saddr))
+		goto err;
+
 	skb->transport_header = skb->network_header + sizeof(*hdr);
 	IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);
 
diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c
index 22d5a80a8f34..dd59fde1dac8 100644
--- a/net/nfc/llcp_sock.c
+++ b/net/nfc/llcp_sock.c
@@ -118,9 +118,14 @@ static int llcp_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
 	llcp_sock->service_name = kmemdup(llcp_addr.service_name,
 					  llcp_sock->service_name_len,
 					  GFP_KERNEL);
-
+	if (!llcp_sock->service_name) {
+		ret = -ENOMEM;
+		goto put_dev;
+	}
 	llcp_sock->ssap = nfc_llcp_get_sdp_ssap(local, llcp_sock);
 	if (llcp_sock->ssap == LLCP_SAP_MAX) {
+		kfree(llcp_sock->service_name);
+		llcp_sock->service_name = NULL;
 		ret = -EADDRINUSE;
 		goto put_dev;
 	}
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index dbf74afe82fb..ad878302924f 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -973,7 +973,8 @@ static int nfc_genl_dep_link_down(struct sk_buff *skb, struct genl_info *info)
 	int rc;
 	u32 idx;
 
-	if (!info->attrs[NFC_ATTR_DEVICE_INDEX])
+	if (!info->attrs[NFC_ATTR_DEVICE_INDEX] ||
+	    !info->attrs[NFC_ATTR_TARGET_INDEX])
 		return -EINVAL;
 
 	idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
@@ -1022,7 +1023,8 @@ static int nfc_genl_llc_get_params(struct sk_buff *skb, struct genl_info *info)
 	struct sk_buff *msg = NULL;
 	u32 idx;
 
-	if (!info->attrs[NFC_ATTR_DEVICE_INDEX])
+	if (!info->attrs[NFC_ATTR_DEVICE_INDEX] ||
+	    !info->attrs[NFC_ATTR_FIRMWARE_NAME])
 		return -EINVAL;
 
 	idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
diff --git a/net/rds/ib.c b/net/rds/ib.c
index 0efb3d2b338d..a118686cc1ec 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -138,6 +138,9 @@ static void rds_ib_add_one(struct ib_device *device)
 	atomic_set(&rds_ibdev->refcount, 1);
 	INIT_WORK(&rds_ibdev->free_work, rds_ib_dev_free);
 
+	INIT_LIST_HEAD(&rds_ibdev->ipaddr_list);
+	INIT_LIST_HEAD(&rds_ibdev->conn_list);
+
 	rds_ibdev->max_wrs = device->attrs.max_qp_wr;
 	rds_ibdev->max_sge = min(device->attrs.max_sge, RDS_IB_MAX_SGE);
 
@@ -189,9 +192,6 @@ static void rds_ib_add_one(struct ib_device *device)
 		device->name,
 		rds_ibdev->use_fastreg ? "FRMR" : "FMR");
 
-	INIT_LIST_HEAD(&rds_ibdev->ipaddr_list);
-	INIT_LIST_HEAD(&rds_ibdev->conn_list);
-
 	down_write(&rds_ib_devices_lock);
 	list_add_tail_rcu(&rds_ibdev->list, &rds_ib_devices);
 	up_write(&rds_ib_devices_lock);
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index beb554aa8cfb..7a434a5c43fe 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -1129,6 +1129,26 @@ static const struct nla_policy cbq_policy[TCA_CBQ_MAX + 1] = {
 	[TCA_CBQ_POLICE]	= { .len = sizeof(struct tc_cbq_police) },
 };
 
+static int cbq_opt_parse(struct nlattr *tb[TCA_CBQ_MAX + 1], struct nlattr *opt)
+{
+	int err;
+
+	if (!opt)
+		return -EINVAL;
+
+	err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, cbq_policy);
+	if (err < 0)
+		return err;
+
+	if (tb[TCA_CBQ_WRROPT]) {
+		const struct tc_cbq_wrropt *wrr = nla_data(tb[TCA_CBQ_WRROPT]);
+
+		if (wrr->priority > TC_CBQ_MAXPRIO)
+			err = -EINVAL;
+	}
+	return err;
+}
+
 static int cbq_init(struct Qdisc *sch, struct nlattr *opt)
 {
 	struct cbq_sched_data *q = qdisc_priv(sch);
@@ -1136,7 +1156,7 @@ static int cbq_init(struct Qdisc *sch, struct nlattr *opt)
 	struct tc_ratespec *r;
 	int err;
 
-	err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, cbq_policy);
+	err = cbq_opt_parse(tb, opt);
 	if (err < 0)
 		return err;
 
@@ -1468,10 +1488,7 @@ cbq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct nlattr **t
 	struct cbq_class *parent;
 	struct qdisc_rate_table *rtab = NULL;
 
-	if (opt == NULL)
-		return -EINVAL;
-
-	err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, cbq_policy);
+	err = cbq_opt_parse(tb, opt);
 	if (err < 0)
 		return err;
 
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index b56d57984439..551cf193649e 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -346,6 +346,8 @@ static int dsmark_init(struct Qdisc *sch, struct nlattr *opt)
 		goto errout;
 
 	err = -EINVAL;
+	if (!tb[TCA_DSMARK_INDICES])
+		goto errout;
 	indices = nla_get_u16(tb[TCA_DSMARK_INDICES]);
 
 	if (hweight32(indices) != 1)
diff --git a/security/smack/smack_access.c b/security/smack/smack_access.c
index 23e5808a0970..e5d5c7fb2dac 100644
--- a/security/smack/smack_access.c
+++ b/security/smack/smack_access.c
@@ -474,7 +474,7 @@ char *smk_parse_smack(const char *string, int len)
 	if (i == 0 || i >= SMK_LONGLABEL)
 		return ERR_PTR(-EINVAL);
 
-	smack = kzalloc(i + 1, GFP_KERNEL);
+	smack = kzalloc(i + 1, GFP_NOFS);
 	if (smack == NULL)
 		return ERR_PTR(-ENOMEM);
 
@@ -545,7 +545,7 @@ struct smack_known *smk_import_entry(const char *string, int len)
 	if (skp != NULL)
 		goto freeout;
 
-	skp = kzalloc(sizeof(*skp), GFP_KERNEL);
+	skp = kzalloc(sizeof(*skp), GFP_NOFS);
 	if (skp == NULL) {
 		skp = ERR_PTR(-ENOMEM);
 		goto freeout;
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index aeb3ba70f907..589c1c2ae6db 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -268,7 +268,7 @@ static struct smack_known *smk_fetch(const char *name, struct inode *ip,
 	if (!(ip->i_opflags & IOP_XATTR))
 		return ERR_PTR(-EOPNOTSUPP);
 
-	buffer = kzalloc(SMK_LONGLABEL, GFP_KERNEL);
+	buffer = kzalloc(SMK_LONGLABEL, GFP_NOFS);
 	if (buffer == NULL)
 		return ERR_PTR(-ENOMEM);
 
@@ -949,7 +949,8 @@ static int smack_bprm_set_creds(struct linux_binprm *bprm)
 
 		if (rc != 0)
 			return rc;
-	} else if (bprm->unsafe)
+	}
+	if (bprm->unsafe & ~LSM_UNSAFE_PTRACE)
 		return -EPERM;
 
 	bsp->smk_task = isp->smk_task;
@@ -4037,6 +4038,8 @@ access_check:
 			skp = smack_ipv6host_label(&sadd);
 		if (skp == NULL)
 			skp = smack_net_ambient;
+		if (skb == NULL)
+			break;
 #ifdef CONFIG_AUDIT
 		smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net);
 		ad.a.u.net->family = family;