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Date:   Sun, 16 Jan 2022 09:35:41 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
        torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc:     lwn@....net, jslaby@...e.cz,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 5.4.172

diff --git a/Makefile b/Makefile
index 062052f71a97..2f914dd223c8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 4
-SUBLEVEL = 171
+SUBLEVEL = 172
 EXTRAVERSION =
 NAME = Kleptomaniac Octopus
 
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index 83e26fd188cc..d5f64018044b 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -48,7 +48,7 @@ static ssize_t cpu_capacity_show(struct device *dev,
 {
 	struct cpu *cpu = container_of(dev, struct cpu, dev);
 
-	return sprintf(buf, "%lu\n", topology_get_cpu_scale(cpu->dev.id));
+	return sysfs_emit(buf, "%lu\n", topology_get_cpu_scale(cpu->dev.id));
 }
 
 static void update_topology_flags_workfn(struct work_struct *work);
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c
index 8d553c92cd32..6a8c2b5881be 100644
--- a/drivers/base/cacheinfo.c
+++ b/drivers/base/cacheinfo.c
@@ -377,7 +377,7 @@ static ssize_t size_show(struct device *dev,
 {
 	struct cacheinfo *this_leaf = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%uK\n", this_leaf->size >> 10);
+	return sysfs_emit(buf, "%uK\n", this_leaf->size >> 10);
 }
 
 static ssize_t shared_cpumap_show_func(struct device *dev, bool list, char *buf)
@@ -407,11 +407,11 @@ static ssize_t type_show(struct device *dev,
 
 	switch (this_leaf->type) {
 	case CACHE_TYPE_DATA:
-		return sprintf(buf, "Data\n");
+		return sysfs_emit(buf, "Data\n");
 	case CACHE_TYPE_INST:
-		return sprintf(buf, "Instruction\n");
+		return sysfs_emit(buf, "Instruction\n");
 	case CACHE_TYPE_UNIFIED:
-		return sprintf(buf, "Unified\n");
+		return sysfs_emit(buf, "Unified\n");
 	default:
 		return -EINVAL;
 	}
@@ -425,11 +425,11 @@ static ssize_t allocation_policy_show(struct device *dev,
 	int n = 0;
 
 	if ((ci_attr & CACHE_READ_ALLOCATE) && (ci_attr & CACHE_WRITE_ALLOCATE))
-		n = sprintf(buf, "ReadWriteAllocate\n");
+		n = sysfs_emit(buf, "ReadWriteAllocate\n");
 	else if (ci_attr & CACHE_READ_ALLOCATE)
-		n = sprintf(buf, "ReadAllocate\n");
+		n = sysfs_emit(buf, "ReadAllocate\n");
 	else if (ci_attr & CACHE_WRITE_ALLOCATE)
-		n = sprintf(buf, "WriteAllocate\n");
+		n = sysfs_emit(buf, "WriteAllocate\n");
 	return n;
 }
 
@@ -441,9 +441,9 @@ static ssize_t write_policy_show(struct device *dev,
 	int n = 0;
 
 	if (ci_attr & CACHE_WRITE_THROUGH)
-		n = sprintf(buf, "WriteThrough\n");
+		n = sysfs_emit(buf, "WriteThrough\n");
 	else if (ci_attr & CACHE_WRITE_BACK)
-		n = sprintf(buf, "WriteBack\n");
+		n = sysfs_emit(buf, "WriteBack\n");
 	return n;
 }
 
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 8b651bfc1d88..1b016fdd1a75 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1027,7 +1027,7 @@ ssize_t device_show_ulong(struct device *dev,
 			  char *buf)
 {
 	struct dev_ext_attribute *ea = to_ext_attr(attr);
-	return snprintf(buf, PAGE_SIZE, "%lx\n", *(unsigned long *)(ea->var));
+	return sysfs_emit(buf, "%lx\n", *(unsigned long *)(ea->var));
 }
 EXPORT_SYMBOL_GPL(device_show_ulong);
 
@@ -1057,7 +1057,7 @@ ssize_t device_show_int(struct device *dev,
 {
 	struct dev_ext_attribute *ea = to_ext_attr(attr);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", *(int *)(ea->var));
+	return sysfs_emit(buf, "%d\n", *(int *)(ea->var));
 }
 EXPORT_SYMBOL_GPL(device_show_int);
 
@@ -1078,7 +1078,7 @@ ssize_t device_show_bool(struct device *dev, struct device_attribute *attr,
 {
 	struct dev_ext_attribute *ea = to_ext_attr(attr);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", *(bool *)(ea->var));
+	return sysfs_emit(buf, "%d\n", *(bool *)(ea->var));
 }
 EXPORT_SYMBOL_GPL(device_show_bool);
 
@@ -1310,7 +1310,7 @@ static ssize_t online_show(struct device *dev, struct device_attribute *attr,
 	device_lock(dev);
 	val = !dev->offline;
 	device_unlock(dev);
-	return sprintf(buf, "%u\n", val);
+	return sysfs_emit(buf, "%u\n", val);
 }
 
 static ssize_t online_store(struct device *dev, struct device_attribute *attr,
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index f00da44ae6fe..81ec0a1020d6 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -156,7 +156,7 @@ static ssize_t show_crash_notes(struct device *dev, struct device_attribute *att
 	 * operation should be safe. No locking required.
 	 */
 	addr = per_cpu_ptr_to_phys(per_cpu_ptr(crash_notes, cpunum));
-	rc = sprintf(buf, "%Lx\n", addr);
+	rc = sysfs_emit(buf, "%Lx\n", addr);
 	return rc;
 }
 static DEVICE_ATTR(crash_notes, 0400, show_crash_notes, NULL);
@@ -167,7 +167,7 @@ static ssize_t show_crash_notes_size(struct device *dev,
 {
 	ssize_t rc;
 
-	rc = sprintf(buf, "%zu\n", sizeof(note_buf_t));
+	rc = sysfs_emit(buf, "%zu\n", sizeof(note_buf_t));
 	return rc;
 }
 static DEVICE_ATTR(crash_notes_size, 0400, show_crash_notes_size, NULL);
@@ -231,8 +231,7 @@ static struct cpu_attr cpu_attrs[] = {
 static ssize_t print_cpus_kernel_max(struct device *dev,
 				     struct device_attribute *attr, char *buf)
 {
-	int n = snprintf(buf, PAGE_SIZE-2, "%d\n", NR_CPUS - 1);
-	return n;
+	return sprintf(buf, "%d\n", NR_CPUS - 1);
 }
 static DEVICE_ATTR(kernel_max, 0444, print_cpus_kernel_max, NULL);
 
@@ -272,7 +271,7 @@ static DEVICE_ATTR(offline, 0444, print_cpus_offline, NULL);
 static ssize_t print_cpus_isolated(struct device *dev,
 				  struct device_attribute *attr, char *buf)
 {
-	int n = 0, len = PAGE_SIZE-2;
+	int n;
 	cpumask_var_t isolated;
 
 	if (!alloc_cpumask_var(&isolated, GFP_KERNEL))
@@ -280,7 +279,7 @@ static ssize_t print_cpus_isolated(struct device *dev,
 
 	cpumask_andnot(isolated, cpu_possible_mask,
 		       housekeeping_cpumask(HK_FLAG_DOMAIN));
-	n = scnprintf(buf, len, "%*pbl\n", cpumask_pr_args(isolated));
+	n = sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(isolated));
 
 	free_cpumask_var(isolated);
 
@@ -292,11 +291,7 @@ static DEVICE_ATTR(isolated, 0444, print_cpus_isolated, NULL);
 static ssize_t print_cpus_nohz_full(struct device *dev,
 				  struct device_attribute *attr, char *buf)
 {
-	int n = 0, len = PAGE_SIZE-2;
-
-	n = scnprintf(buf, len, "%*pbl\n", cpumask_pr_args(tick_nohz_full_mask));
-
-	return n;
+	return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(tick_nohz_full_mask));
 }
 static DEVICE_ATTR(nohz_full, 0444, print_cpus_nohz_full, NULL);
 #endif
@@ -328,8 +323,8 @@ static ssize_t print_cpu_modalias(struct device *dev,
 	ssize_t n;
 	u32 i;
 
-	n = sprintf(buf, "cpu:type:" CPU_FEATURE_TYPEFMT ":feature:",
-		    CPU_FEATURE_TYPEVAL);
+	n = sysfs_emit(buf, "cpu:type:" CPU_FEATURE_TYPEFMT ":feature:",
+		       CPU_FEATURE_TYPEVAL);
 
 	for (i = 0; i < MAX_CPU_FEATURES; i++)
 		if (cpu_have_feature(i)) {
@@ -521,56 +516,56 @@ static void __init cpu_dev_register_generic(void)
 ssize_t __weak cpu_show_meltdown(struct device *dev,
 				 struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "Not affected\n");
+	return sysfs_emit(buf, "Not affected\n");
 }
 
 ssize_t __weak cpu_show_spectre_v1(struct device *dev,
 				   struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "Not affected\n");
+	return sysfs_emit(buf, "Not affected\n");
 }
 
 ssize_t __weak cpu_show_spectre_v2(struct device *dev,
 				   struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "Not affected\n");
+	return sysfs_emit(buf, "Not affected\n");
 }
 
 ssize_t __weak cpu_show_spec_store_bypass(struct device *dev,
 					  struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "Not affected\n");
+	return sysfs_emit(buf, "Not affected\n");
 }
 
 ssize_t __weak cpu_show_l1tf(struct device *dev,
 			     struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "Not affected\n");
+	return sysfs_emit(buf, "Not affected\n");
 }
 
 ssize_t __weak cpu_show_mds(struct device *dev,
 			    struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "Not affected\n");
+	return sysfs_emit(buf, "Not affected\n");
 }
 
 ssize_t __weak cpu_show_tsx_async_abort(struct device *dev,
 					struct device_attribute *attr,
 					char *buf)
 {
-	return sprintf(buf, "Not affected\n");
+	return sysfs_emit(buf, "Not affected\n");
 }
 
 ssize_t __weak cpu_show_itlb_multihit(struct device *dev,
 			    struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "Not affected\n");
+	return sysfs_emit(buf, "Not affected\n");
 }
 
 ssize_t __weak cpu_show_srbds(struct device *dev,
 			      struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "Not affected\n");
+	return sysfs_emit(buf, "Not affected\n");
 }
 
 static DEVICE_ATTR(meltdown, 0444, cpu_show_meltdown, NULL);
diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c
index 5f3e5d837259..19d18afb3086 100644
--- a/drivers/base/firmware_loader/fallback.c
+++ b/drivers/base/firmware_loader/fallback.c
@@ -215,7 +215,7 @@ static ssize_t firmware_loading_show(struct device *dev,
 		loading = fw_sysfs_loading(fw_sysfs->fw_priv);
 	mutex_unlock(&fw_lock);
 
-	return sprintf(buf, "%d\n", loading);
+	return sysfs_emit(buf, "%d\n", loading);
 }
 
 /**
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 5a8c430fb8ff..729e93e0c1c1 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -110,7 +110,7 @@ static ssize_t phys_index_show(struct device *dev,
 	unsigned long phys_index;
 
 	phys_index = mem->start_section_nr / sections_per_block;
-	return sprintf(buf, "%08lx\n", phys_index);
+	return sysfs_emit(buf, "%08lx\n", phys_index);
 }
 
 /*
@@ -120,7 +120,7 @@ static ssize_t phys_index_show(struct device *dev,
 static ssize_t removable_show(struct device *dev, struct device_attribute *attr,
 			      char *buf)
 {
-	return sprintf(buf, "%d\n", (int)IS_ENABLED(CONFIG_MEMORY_HOTREMOVE));
+	return sysfs_emit(buf, "%d\n", (int)IS_ENABLED(CONFIG_MEMORY_HOTREMOVE));
 }
 
 /*
@@ -138,17 +138,17 @@ static ssize_t state_show(struct device *dev, struct device_attribute *attr,
 	 */
 	switch (mem->state) {
 	case MEM_ONLINE:
-		len = sprintf(buf, "online\n");
+		len = sysfs_emit(buf, "online\n");
 		break;
 	case MEM_OFFLINE:
-		len = sprintf(buf, "offline\n");
+		len = sysfs_emit(buf, "offline\n");
 		break;
 	case MEM_GOING_OFFLINE:
-		len = sprintf(buf, "going-offline\n");
+		len = sysfs_emit(buf, "going-offline\n");
 		break;
 	default:
-		len = sprintf(buf, "ERROR-UNKNOWN-%ld\n",
-				mem->state);
+		len = sysfs_emit(buf, "ERROR-UNKNOWN-%ld\n",
+				 mem->state);
 		WARN_ON(1);
 		break;
 	}
@@ -358,7 +358,7 @@ static ssize_t phys_device_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct memory_block *mem = to_memory_block(dev);
-	return sprintf(buf, "%d\n", mem->phys_device);
+	return sysfs_emit(buf, "%d\n", mem->phys_device);
 }
 
 #ifdef CONFIG_MEMORY_HOTREMOVE
@@ -396,7 +396,7 @@ static ssize_t valid_zones_show(struct device *dev,
 		 */
 		if (!test_pages_in_a_zone(start_pfn, start_pfn + nr_pages,
 					  &valid_start_pfn, &valid_end_pfn))
-			return sprintf(buf, "none\n");
+			return sysfs_emit(buf, "none\n");
 		start_pfn = valid_start_pfn;
 		strcat(buf, page_zone(pfn_to_page(start_pfn))->name);
 		goto out;
@@ -429,7 +429,7 @@ static DEVICE_ATTR_RO(removable);
 static ssize_t block_size_bytes_show(struct device *dev,
 				     struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "%lx\n", memory_block_size_bytes());
+	return sysfs_emit(buf, "%lx\n", memory_block_size_bytes());
 }
 
 static DEVICE_ATTR_RO(block_size_bytes);
@@ -442,9 +442,9 @@ static ssize_t auto_online_blocks_show(struct device *dev,
 				       struct device_attribute *attr, char *buf)
 {
 	if (memhp_auto_online)
-		return sprintf(buf, "online\n");
+		return sysfs_emit(buf, "online\n");
 	else
-		return sprintf(buf, "offline\n");
+		return sysfs_emit(buf, "offline\n");
 }
 
 static ssize_t auto_online_blocks_store(struct device *dev,
diff --git a/drivers/base/node.c b/drivers/base/node.c
index c9976dc4aa65..62a052990bb9 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -368,7 +368,7 @@ static ssize_t node_read_meminfo(struct device *dev,
 	si_meminfo_node(&i, nid);
 	sreclaimable = node_page_state(pgdat, NR_SLAB_RECLAIMABLE);
 	sunreclaimable = node_page_state(pgdat, NR_SLAB_UNRECLAIMABLE);
-	n = sprintf(buf,
+	n = sysfs_emit(buf,
 		       "Node %d MemTotal:       %8lu kB\n"
 		       "Node %d MemFree:        %8lu kB\n"
 		       "Node %d MemUsed:        %8lu kB\n"
@@ -469,19 +469,19 @@ static DEVICE_ATTR(meminfo, S_IRUGO, node_read_meminfo, NULL);
 static ssize_t node_read_numastat(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf,
-		       "numa_hit %lu\n"
-		       "numa_miss %lu\n"
-		       "numa_foreign %lu\n"
-		       "interleave_hit %lu\n"
-		       "local_node %lu\n"
-		       "other_node %lu\n",
-		       sum_zone_numa_state(dev->id, NUMA_HIT),
-		       sum_zone_numa_state(dev->id, NUMA_MISS),
-		       sum_zone_numa_state(dev->id, NUMA_FOREIGN),
-		       sum_zone_numa_state(dev->id, NUMA_INTERLEAVE_HIT),
-		       sum_zone_numa_state(dev->id, NUMA_LOCAL),
-		       sum_zone_numa_state(dev->id, NUMA_OTHER));
+	return sysfs_emit(buf,
+			  "numa_hit %lu\n"
+			  "numa_miss %lu\n"
+			  "numa_foreign %lu\n"
+			  "interleave_hit %lu\n"
+			  "local_node %lu\n"
+			  "other_node %lu\n",
+			  sum_zone_numa_state(dev->id, NUMA_HIT),
+			  sum_zone_numa_state(dev->id, NUMA_MISS),
+			  sum_zone_numa_state(dev->id, NUMA_FOREIGN),
+			  sum_zone_numa_state(dev->id, NUMA_INTERLEAVE_HIT),
+			  sum_zone_numa_state(dev->id, NUMA_LOCAL),
+			  sum_zone_numa_state(dev->id, NUMA_OTHER));
 }
 static DEVICE_ATTR(numastat, S_IRUGO, node_read_numastat, NULL);
 
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 0b67d41bab8f..75623b914b8c 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -1009,7 +1009,7 @@ static ssize_t driver_override_show(struct device *dev,
 	ssize_t len;
 
 	device_lock(dev);
-	len = sprintf(buf, "%s\n", pdev->driver_override);
+	len = sysfs_emit(buf, "%s\n", pdev->driver_override);
 	device_unlock(dev);
 	return len;
 }
diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c
index d7d82db2e4bc..2786962e0810 100644
--- a/drivers/base/power/sysfs.c
+++ b/drivers/base/power/sysfs.c
@@ -100,7 +100,7 @@ static const char ctrl_on[] = "on";
 static ssize_t control_show(struct device *dev, struct device_attribute *attr,
 			    char *buf)
 {
-	return sprintf(buf, "%s\n",
+	return sysfs_emit(buf, "%s\n",
 				dev->power.runtime_auto ? ctrl_auto : ctrl_on);
 }
 
@@ -126,7 +126,7 @@ static ssize_t runtime_active_time_show(struct device *dev,
 	int ret;
 	u64 tmp = pm_runtime_active_time(dev);
 	do_div(tmp, NSEC_PER_MSEC);
-	ret = sprintf(buf, "%llu\n", tmp);
+	ret = sysfs_emit(buf, "%llu\n", tmp);
 	return ret;
 }
 
@@ -138,7 +138,7 @@ static ssize_t runtime_suspended_time_show(struct device *dev,
 	int ret;
 	u64 tmp = pm_runtime_suspended_time(dev);
 	do_div(tmp, NSEC_PER_MSEC);
-	ret = sprintf(buf, "%llu\n", tmp);
+	ret = sysfs_emit(buf, "%llu\n", tmp);
 	return ret;
 }
 
@@ -171,7 +171,7 @@ static ssize_t runtime_status_show(struct device *dev,
 			return -EIO;
 		}
 	}
-	return sprintf(buf, p);
+	return sysfs_emit(buf, p);
 }
 
 static DEVICE_ATTR_RO(runtime_status);
@@ -181,7 +181,7 @@ static ssize_t autosuspend_delay_ms_show(struct device *dev,
 {
 	if (!dev->power.use_autosuspend)
 		return -EIO;
-	return sprintf(buf, "%d\n", dev->power.autosuspend_delay);
+	return sysfs_emit(buf, "%d\n", dev->power.autosuspend_delay);
 }
 
 static ssize_t autosuspend_delay_ms_store(struct device *dev,
@@ -210,11 +210,11 @@ static ssize_t pm_qos_resume_latency_us_show(struct device *dev,
 	s32 value = dev_pm_qos_requested_resume_latency(dev);
 
 	if (value == 0)
-		return sprintf(buf, "n/a\n");
+		return sysfs_emit(buf, "n/a\n");
 	if (value == PM_QOS_RESUME_LATENCY_NO_CONSTRAINT)
 		value = 0;
 
-	return sprintf(buf, "%d\n", value);
+	return sysfs_emit(buf, "%d\n", value);
 }
 
 static ssize_t pm_qos_resume_latency_us_store(struct device *dev,
@@ -254,11 +254,11 @@ static ssize_t pm_qos_latency_tolerance_us_show(struct device *dev,
 	s32 value = dev_pm_qos_get_user_latency_tolerance(dev);
 
 	if (value < 0)
-		return sprintf(buf, "auto\n");
+		return sysfs_emit(buf, "auto\n");
 	if (value == PM_QOS_LATENCY_ANY)
-		return sprintf(buf, "any\n");
+		return sysfs_emit(buf, "any\n");
 
-	return sprintf(buf, "%d\n", value);
+	return sysfs_emit(buf, "%d\n", value);
 }
 
 static ssize_t pm_qos_latency_tolerance_us_store(struct device *dev,
@@ -290,8 +290,8 @@ static ssize_t pm_qos_no_power_off_show(struct device *dev,
 					struct device_attribute *attr,
 					char *buf)
 {
-	return sprintf(buf, "%d\n", !!(dev_pm_qos_requested_flags(dev)
-					& PM_QOS_FLAG_NO_POWER_OFF));
+	return sysfs_emit(buf, "%d\n", !!(dev_pm_qos_requested_flags(dev)
+					  & PM_QOS_FLAG_NO_POWER_OFF));
 }
 
 static ssize_t pm_qos_no_power_off_store(struct device *dev,
@@ -319,9 +319,9 @@ static const char _disabled[] = "disabled";
 static ssize_t wakeup_show(struct device *dev, struct device_attribute *attr,
 			   char *buf)
 {
-	return sprintf(buf, "%s\n", device_can_wakeup(dev)
-		? (device_may_wakeup(dev) ? _enabled : _disabled)
-		: "");
+	return sysfs_emit(buf, "%s\n", device_can_wakeup(dev)
+			  ? (device_may_wakeup(dev) ? _enabled : _disabled)
+			  : "");
 }
 
 static ssize_t wakeup_store(struct device *dev, struct device_attribute *attr,
@@ -507,7 +507,7 @@ static DEVICE_ATTR_RO(wakeup_prevent_sleep_time_ms);
 static ssize_t runtime_usage_show(struct device *dev,
 				  struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "%d\n", atomic_read(&dev->power.usage_count));
+	return sysfs_emit(buf, "%d\n", atomic_read(&dev->power.usage_count));
 }
 static DEVICE_ATTR_RO(runtime_usage);
 
@@ -515,8 +515,8 @@ static ssize_t runtime_active_kids_show(struct device *dev,
 					struct device_attribute *attr,
 					char *buf)
 {
-	return sprintf(buf, "%d\n", dev->power.ignore_children ?
-		0 : atomic_read(&dev->power.child_count));
+	return sysfs_emit(buf, "%d\n", dev->power.ignore_children ?
+			  0 : atomic_read(&dev->power.child_count));
 }
 static DEVICE_ATTR_RO(runtime_active_kids);
 
@@ -524,12 +524,12 @@ static ssize_t runtime_enabled_show(struct device *dev,
 				    struct device_attribute *attr, char *buf)
 {
 	if (dev->power.disable_depth && (dev->power.runtime_auto == false))
-		return sprintf(buf, "disabled & forbidden\n");
+		return sysfs_emit(buf, "disabled & forbidden\n");
 	if (dev->power.disable_depth)
-		return sprintf(buf, "disabled\n");
+		return sysfs_emit(buf, "disabled\n");
 	if (dev->power.runtime_auto == false)
-		return sprintf(buf, "forbidden\n");
-	return sprintf(buf, "enabled\n");
+		return sysfs_emit(buf, "forbidden\n");
+	return sysfs_emit(buf, "enabled\n");
 }
 static DEVICE_ATTR_RO(runtime_enabled);
 
@@ -537,9 +537,9 @@ static DEVICE_ATTR_RO(runtime_enabled);
 static ssize_t async_show(struct device *dev, struct device_attribute *attr,
 			  char *buf)
 {
-	return sprintf(buf, "%s\n",
-			device_async_suspend_enabled(dev) ?
-				_enabled : _disabled);
+	return sysfs_emit(buf, "%s\n",
+			  device_async_suspend_enabled(dev) ?
+			  _enabled : _disabled);
 }
 
 static ssize_t async_store(struct device *dev, struct device_attribute *attr,
diff --git a/drivers/base/power/wakeup_stats.c b/drivers/base/power/wakeup_stats.c
index c7734914d914..5568e25d7c9c 100644
--- a/drivers/base/power/wakeup_stats.c
+++ b/drivers/base/power/wakeup_stats.c
@@ -42,7 +42,7 @@ static ssize_t active_time_ms_show(struct device *dev,
 	ktime_t active_time =
 		ws->active ? ktime_sub(ktime_get(), ws->last_time) : 0;
 
-	return sprintf(buf, "%lld\n", ktime_to_ms(active_time));
+	return sysfs_emit(buf, "%lld\n", ktime_to_ms(active_time));
 }
 static DEVICE_ATTR_RO(active_time_ms);
 
@@ -57,7 +57,7 @@ static ssize_t total_time_ms_show(struct device *dev,
 		active_time = ktime_sub(ktime_get(), ws->last_time);
 		total_time = ktime_add(total_time, active_time);
 	}
-	return sprintf(buf, "%lld\n", ktime_to_ms(total_time));
+	return sysfs_emit(buf, "%lld\n", ktime_to_ms(total_time));
 }
 static DEVICE_ATTR_RO(total_time_ms);
 
@@ -73,7 +73,7 @@ static ssize_t max_time_ms_show(struct device *dev,
 		if (active_time > max_time)
 			max_time = active_time;
 	}
-	return sprintf(buf, "%lld\n", ktime_to_ms(max_time));
+	return sysfs_emit(buf, "%lld\n", ktime_to_ms(max_time));
 }
 static DEVICE_ATTR_RO(max_time_ms);
 
@@ -82,7 +82,7 @@ static ssize_t last_change_ms_show(struct device *dev,
 {
 	struct wakeup_source *ws = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%lld\n", ktime_to_ms(ws->last_time));
+	return sysfs_emit(buf, "%lld\n", ktime_to_ms(ws->last_time));
 }
 static DEVICE_ATTR_RO(last_change_ms);
 
@@ -91,7 +91,7 @@ static ssize_t name_show(struct device *dev, struct device_attribute *attr,
 {
 	struct wakeup_source *ws = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%s\n", ws->name);
+	return sysfs_emit(buf, "%s\n", ws->name);
 }
 static DEVICE_ATTR_RO(name);
 
@@ -106,7 +106,7 @@ static ssize_t prevent_suspend_time_ms_show(struct device *dev,
 		prevent_sleep_time = ktime_add(prevent_sleep_time,
 			ktime_sub(ktime_get(), ws->start_prevent_time));
 	}
-	return sprintf(buf, "%lld\n", ktime_to_ms(prevent_sleep_time));
+	return sysfs_emit(buf, "%lld\n", ktime_to_ms(prevent_sleep_time));
 }
 static DEVICE_ATTR_RO(prevent_suspend_time_ms);
 
diff --git a/drivers/base/soc.c b/drivers/base/soc.c
index 7c0c5ca5953d..735f122c2ba3 100644
--- a/drivers/base/soc.c
+++ b/drivers/base/soc.c
@@ -76,15 +76,15 @@ static ssize_t soc_info_get(struct device *dev,
 	struct soc_device *soc_dev = container_of(dev, struct soc_device, dev);
 
 	if (attr == &dev_attr_machine)
-		return sprintf(buf, "%s\n", soc_dev->attr->machine);
+		return sysfs_emit(buf, "%s\n", soc_dev->attr->machine);
 	if (attr == &dev_attr_family)
-		return sprintf(buf, "%s\n", soc_dev->attr->family);
+		return sysfs_emit(buf, "%s\n", soc_dev->attr->family);
 	if (attr == &dev_attr_revision)
-		return sprintf(buf, "%s\n", soc_dev->attr->revision);
+		return sysfs_emit(buf, "%s\n", soc_dev->attr->revision);
 	if (attr == &dev_attr_serial_number)
-		return sprintf(buf, "%s\n", soc_dev->attr->serial_number);
+		return sysfs_emit(buf, "%s\n", soc_dev->attr->serial_number);
 	if (attr == &dev_attr_soc_id)
-		return sprintf(buf, "%s\n", soc_dev->attr->soc_id);
+		return sysfs_emit(buf, "%s\n", soc_dev->attr->soc_id);
 
 	return -EINVAL;
 
diff --git a/drivers/bluetooth/bfusb.c b/drivers/bluetooth/bfusb.c
index 0e5954cac98e..00d72f6d8e8e 100644
--- a/drivers/bluetooth/bfusb.c
+++ b/drivers/bluetooth/bfusb.c
@@ -629,6 +629,9 @@ static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 	data->bulk_out_ep   = bulk_out_ep->desc.bEndpointAddress;
 	data->bulk_pkt_size = le16_to_cpu(bulk_out_ep->desc.wMaxPacketSize);
 
+	if (!data->bulk_pkt_size)
+		goto done;
+
 	rwlock_init(&data->lock);
 
 	data->reassembly = NULL;
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 6d643651d69f..c8f2b991e9cf 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2568,6 +2568,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb)
 		skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC);
 		if (!skb) {
 			hdev->stat.err_rx++;
+			kfree(urb->setup_packet);
 			return;
 		}
 
@@ -2588,6 +2589,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb)
 			data->evt_skb = skb_clone(skb, GFP_ATOMIC);
 			if (!data->evt_skb) {
 				kfree_skb(skb);
+				kfree(urb->setup_packet);
 				return;
 			}
 		}
@@ -2596,6 +2598,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb)
 		if (err < 0) {
 			kfree_skb(data->evt_skb);
 			data->evt_skb = NULL;
+			kfree(urb->setup_packet);
 			return;
 		}
 
@@ -2606,6 +2609,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb)
 			wake_up_bit(&data->flags,
 				    BTUSB_TX_WAIT_VND_EVT);
 		}
+		kfree(urb->setup_packet);
 		return;
 	} else if (urb->status == -ENOENT) {
 		/* Avoid suspend failed when usb_kill_urb */
@@ -2626,6 +2630,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb)
 	usb_anchor_urb(urb, &data->ctrl_anchor);
 	err = usb_submit_urb(urb, GFP_ATOMIC);
 	if (err < 0) {
+		kfree(urb->setup_packet);
 		/* -EPERM: urb is being killed;
 		 * -ENODEV: device got disconnected
 		 */
diff --git a/drivers/char/random.c b/drivers/char/random.c
index ffd61aadb761..60b39af1279a 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -497,6 +497,7 @@ static struct crng_state primary_crng = {
  * its value (from 0->1->2).
  */
 static int crng_init = 0;
+static bool crng_need_final_init = false;
 #define crng_ready() (likely(crng_init > 1))
 static int crng_init_cnt = 0;
 static unsigned long crng_global_init_time = 0;
@@ -889,6 +890,38 @@ static void crng_initialize(struct crng_state *crng)
 	crng->init_time = jiffies - CRNG_RESEED_INTERVAL - 1;
 }
 
+static void crng_finalize_init(struct crng_state *crng)
+{
+	if (crng != &primary_crng || crng_init >= 2)
+		return;
+	if (!system_wq) {
+		/* We can't call numa_crng_init until we have workqueues,
+		 * so mark this for processing later. */
+		crng_need_final_init = true;
+		return;
+	}
+
+	invalidate_batched_entropy();
+	numa_crng_init();
+	crng_init = 2;
+	process_random_ready_list();
+	wake_up_interruptible(&crng_init_wait);
+	kill_fasync(&fasync, SIGIO, POLL_IN);
+	pr_notice("crng init done\n");
+	if (unseeded_warning.missed) {
+		pr_notice("random: %d get_random_xx warning(s) missed "
+			  "due to ratelimiting\n",
+			  unseeded_warning.missed);
+		unseeded_warning.missed = 0;
+	}
+	if (urandom_warning.missed) {
+		pr_notice("random: %d urandom warning(s) missed "
+			  "due to ratelimiting\n",
+			  urandom_warning.missed);
+		urandom_warning.missed = 0;
+	}
+}
+
 #ifdef CONFIG_NUMA
 static void do_numa_crng_init(struct work_struct *work)
 {
@@ -904,8 +937,8 @@ static void do_numa_crng_init(struct work_struct *work)
 		crng_initialize(crng);
 		pool[i] = crng;
 	}
-	mb();
-	if (cmpxchg(&crng_node_pool, NULL, pool)) {
+	/* pairs with READ_ONCE() in select_crng() */
+	if (cmpxchg_release(&crng_node_pool, NULL, pool) != NULL) {
 		for_each_node(i)
 			kfree(pool[i]);
 		kfree(pool);
@@ -918,8 +951,26 @@ static void numa_crng_init(void)
 {
 	schedule_work(&numa_crng_init_work);
 }
+
+static struct crng_state *select_crng(void)
+{
+	struct crng_state **pool;
+	int nid = numa_node_id();
+
+	/* pairs with cmpxchg_release() in do_numa_crng_init() */
+	pool = READ_ONCE(crng_node_pool);
+	if (pool && pool[nid])
+		return pool[nid];
+
+	return &primary_crng;
+}
 #else
 static void numa_crng_init(void) {}
+
+static struct crng_state *select_crng(void)
+{
+	return &primary_crng;
+}
 #endif
 
 /*
@@ -1024,39 +1075,23 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r)
 		crng->state[i+4] ^= buf.key[i] ^ rv;
 	}
 	memzero_explicit(&buf, sizeof(buf));
-	crng->init_time = jiffies;
+	WRITE_ONCE(crng->init_time, jiffies);
 	spin_unlock_irqrestore(&crng->lock, flags);
-	if (crng == &primary_crng && crng_init < 2) {
-		invalidate_batched_entropy();
-		numa_crng_init();
-		crng_init = 2;
-		process_random_ready_list();
-		wake_up_interruptible(&crng_init_wait);
-		pr_notice("random: crng init done\n");
-		if (unseeded_warning.missed) {
-			pr_notice("random: %d get_random_xx warning(s) missed "
-				  "due to ratelimiting\n",
-				  unseeded_warning.missed);
-			unseeded_warning.missed = 0;
-		}
-		if (urandom_warning.missed) {
-			pr_notice("random: %d urandom warning(s) missed "
-				  "due to ratelimiting\n",
-				  urandom_warning.missed);
-			urandom_warning.missed = 0;
-		}
-	}
+	crng_finalize_init(crng);
 }
 
 static void _extract_crng(struct crng_state *crng,
 			  __u8 out[CHACHA_BLOCK_SIZE])
 {
-	unsigned long v, flags;
+	unsigned long v, flags, init_time;
 
-	if (crng_ready() &&
-	    (time_after(crng_global_init_time, crng->init_time) ||
-	     time_after(jiffies, crng->init_time + CRNG_RESEED_INTERVAL)))
-		crng_reseed(crng, crng == &primary_crng ? &input_pool : NULL);
+	if (crng_ready()) {
+		init_time = READ_ONCE(crng->init_time);
+		if (time_after(READ_ONCE(crng_global_init_time), init_time) ||
+		    time_after(jiffies, init_time + CRNG_RESEED_INTERVAL))
+			crng_reseed(crng, crng == &primary_crng ?
+				    &input_pool : NULL);
+	}
 	spin_lock_irqsave(&crng->lock, flags);
 	if (arch_get_random_long(&v))
 		crng->state[14] ^= v;
@@ -1068,15 +1103,7 @@ static void _extract_crng(struct crng_state *crng,
 
 static void extract_crng(__u8 out[CHACHA_BLOCK_SIZE])
 {
-	struct crng_state *crng = NULL;
-
-#ifdef CONFIG_NUMA
-	if (crng_node_pool)
-		crng = crng_node_pool[numa_node_id()];
-	if (crng == NULL)
-#endif
-		crng = &primary_crng;
-	_extract_crng(crng, out);
+	_extract_crng(select_crng(), out);
 }
 
 /*
@@ -1105,15 +1132,7 @@ static void _crng_backtrack_protect(struct crng_state *crng,
 
 static void crng_backtrack_protect(__u8 tmp[CHACHA_BLOCK_SIZE], int used)
 {
-	struct crng_state *crng = NULL;
-
-#ifdef CONFIG_NUMA
-	if (crng_node_pool)
-		crng = crng_node_pool[numa_node_id()];
-	if (crng == NULL)
-#endif
-		crng = &primary_crng;
-	_crng_backtrack_protect(crng, tmp, used);
+	_crng_backtrack_protect(select_crng(), tmp, used);
 }
 
 static ssize_t extract_crng_user(void __user *buf, size_t nbytes)
@@ -1957,6 +1976,8 @@ int __init rand_initialize(void)
 {
 	init_std_data(&input_pool);
 	init_std_data(&blocking_pool);
+	if (crng_need_final_init)
+		crng_finalize_init(&primary_crng);
 	crng_initialize(&primary_crng);
 	crng_global_init_time = jiffies;
 	if (ratelimit_disable) {
@@ -2150,7 +2171,7 @@ static long random_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
 		if (crng_init < 2)
 			return -ENODATA;
 		crng_reseed(&primary_crng, &input_pool);
-		crng_global_init_time = jiffies - 1;
+		WRITE_ONCE(crng_global_init_time, jiffies - 1);
 		return 0;
 	default:
 		return -EINVAL;
@@ -2488,7 +2509,8 @@ void add_hwgenerator_randomness(const char *buffer, size_t count,
 	 * We'll be woken up again once below random_write_wakeup_thresh,
 	 * or when the calling thread is about to terminate.
 	 */
-	wait_event_interruptible(random_write_wait, kthread_should_stop() ||
+	wait_event_interruptible(random_write_wait,
+			!system_wq || kthread_should_stop() ||
 			ENTROPY_BITS(&input_pool) <= random_write_wakeup_bits);
 	mix_pool_bytes(poolp, buffer, count);
 	credit_entropy_bits(poolp, entropy);
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 91afeca0c6f8..e43a76b027a2 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3017,9 +3017,9 @@ static void snb_wm_latency_quirk(struct drm_i915_private *dev_priv)
 	 * The BIOS provided WM memory latency values are often
 	 * inadequate for high resolution displays. Adjust them.
 	 */
-	changed = ilk_increase_wm_latency(dev_priv, dev_priv->wm.pri_latency, 12) |
-		ilk_increase_wm_latency(dev_priv, dev_priv->wm.spr_latency, 12) |
-		ilk_increase_wm_latency(dev_priv, dev_priv->wm.cur_latency, 12);
+	changed = ilk_increase_wm_latency(dev_priv, dev_priv->wm.pri_latency, 12);
+	changed |= ilk_increase_wm_latency(dev_priv, dev_priv->wm.spr_latency, 12);
+	changed |= ilk_increase_wm_latency(dev_priv, dev_priv->wm.cur_latency, 12);
 
 	if (!changed)
 		return;
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 378cfc46fc19..40ca1d4e0348 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -1972,7 +1972,6 @@ int uvc_register_video_device(struct uvc_device *dev,
 			      const struct v4l2_file_operations *fops,
 			      const struct v4l2_ioctl_ops *ioctl_ops)
 {
-	const char *name;
 	int ret;
 
 	/* Initialize the video buffers queue. */
@@ -2001,20 +2000,16 @@ int uvc_register_video_device(struct uvc_device *dev,
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 	default:
 		vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
-		name = "Video Capture";
 		break;
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT:
 		vdev->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING;
-		name = "Video Output";
 		break;
 	case V4L2_BUF_TYPE_META_CAPTURE:
 		vdev->device_caps = V4L2_CAP_META_CAPTURE | V4L2_CAP_STREAMING;
-		name = "Metadata";
 		break;
 	}
 
-	snprintf(vdev->name, sizeof(vdev->name), "%s %u", name,
-		 stream->header.bTerminalLink);
+	strscpy(vdev->name, dev->name, sizeof(vdev->name));
 
 	/*
 	 * Set the driver data before calling video_register_device, otherwise
diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c
index c8fe334b5fe8..045cbf0cbe53 100644
--- a/drivers/mfd/intel-lpss-acpi.c
+++ b/drivers/mfd/intel-lpss-acpi.c
@@ -102,6 +102,7 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev)
 {
 	struct intel_lpss_platform_info *info;
 	const struct acpi_device_id *id;
+	int ret;
 
 	id = acpi_match_device(intel_lpss_acpi_ids, &pdev->dev);
 	if (!id)
@@ -115,10 +116,14 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev)
 	info->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	info->irq = platform_get_irq(pdev, 0);
 
+	ret = intel_lpss_probe(&pdev->dev, info);
+	if (ret)
+		return ret;
+
 	pm_runtime_set_active(&pdev->dev);
 	pm_runtime_enable(&pdev->dev);
 
-	return intel_lpss_probe(&pdev->dev, info);
+	return 0;
 }
 
 static int intel_lpss_acpi_remove(struct platform_device *pdev)
diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index a9151bd27211..1e19c0d0bca8 100644
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -1936,6 +1936,7 @@ static const struct pci_device_id pci_ids[] = {
 	SDHCI_PCI_DEVICE(INTEL, JSL_SD,    intel_byt_sd),
 	SDHCI_PCI_DEVICE(INTEL, LKF_EMMC,  intel_glk_emmc),
 	SDHCI_PCI_DEVICE(INTEL, LKF_SD,    intel_byt_sd),
+	SDHCI_PCI_DEVICE(INTEL, ADL_EMMC,  intel_glk_emmc),
 	SDHCI_PCI_DEVICE(O2, 8120,     o2),
 	SDHCI_PCI_DEVICE(O2, 8220,     o2),
 	SDHCI_PCI_DEVICE(O2, 8221,     o2),
diff --git a/drivers/mmc/host/sdhci-pci.h b/drivers/mmc/host/sdhci-pci.h
index 779156ce1ee1..b4ac314790b2 100644
--- a/drivers/mmc/host/sdhci-pci.h
+++ b/drivers/mmc/host/sdhci-pci.h
@@ -59,6 +59,7 @@
 #define PCI_DEVICE_ID_INTEL_JSL_SD	0x4df8
 #define PCI_DEVICE_ID_INTEL_LKF_EMMC	0x98c4
 #define PCI_DEVICE_ID_INTEL_LKF_SD	0x98f8
+#define PCI_DEVICE_ID_INTEL_ADL_EMMC	0x54c4
 
 #define PCI_DEVICE_ID_SYSKONNECT_8000	0x8000
 #define PCI_DEVICE_ID_VIA_95D0		0x95d0
diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c
index 0ad13d78815c..8b4c1bb77c33 100644
--- a/drivers/net/can/usb/gs_usb.c
+++ b/drivers/net/can/usb/gs_usb.c
@@ -320,7 +320,7 @@ static void gs_usb_receive_bulk_callback(struct urb *urb)
 
 	/* device reports out of range channel id */
 	if (hf->channel >= GS_MAX_INTF)
-		goto resubmit_urb;
+		goto device_detach;
 
 	dev = usbcan->canch[hf->channel];
 
@@ -405,6 +405,7 @@ static void gs_usb_receive_bulk_callback(struct urb *urb)
 
 	/* USB failure take down all interfaces */
 	if (rc == -ENODEV) {
+ device_detach:
 		for (rc = 0; rc < GS_MAX_INTF; rc++) {
 			if (usbcan->canch[rc])
 				netif_device_detach(usbcan->canch[rc]->netdev);
@@ -506,6 +507,8 @@ static netdev_tx_t gs_can_start_xmit(struct sk_buff *skb,
 
 	hf->echo_id = idx;
 	hf->channel = dev->channel;
+	hf->flags = 0;
+	hf->reserved = 0;
 
 	cf = (struct can_frame *)skb->data;
 
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 44ad412f9a06..81a79e713248 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -254,7 +254,6 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev)
 	if (rxq < rcv->real_num_rx_queues) {
 		rq = &rcv_priv->rq[rxq];
 		rcv_xdp = rcu_access_pointer(rq->xdp_prog);
-		skb_record_rx_queue(skb, rxq);
 	}
 
 	skb_tx_timestamp(skb);
diff --git a/drivers/staging/greybus/audio_topology.c b/drivers/staging/greybus/audio_topology.c
index cc329b990e16..a8cfea957868 100644
--- a/drivers/staging/greybus/audio_topology.c
+++ b/drivers/staging/greybus/audio_topology.c
@@ -983,6 +983,44 @@ static int gbaudio_widget_event(struct snd_soc_dapm_widget *w,
 	return ret;
 }
 
+static const struct snd_soc_dapm_widget gbaudio_widgets[] = {
+	[snd_soc_dapm_spk]	= SND_SOC_DAPM_SPK(NULL, gbcodec_event_spk),
+	[snd_soc_dapm_hp]	= SND_SOC_DAPM_HP(NULL, gbcodec_event_hp),
+	[snd_soc_dapm_mic]	= SND_SOC_DAPM_MIC(NULL, gbcodec_event_int_mic),
+	[snd_soc_dapm_output]	= SND_SOC_DAPM_OUTPUT(NULL),
+	[snd_soc_dapm_input]	= SND_SOC_DAPM_INPUT(NULL),
+	[snd_soc_dapm_switch]	= SND_SOC_DAPM_SWITCH_E(NULL, SND_SOC_NOPM,
+					0, 0, NULL,
+					gbaudio_widget_event,
+					SND_SOC_DAPM_PRE_PMU |
+					SND_SOC_DAPM_POST_PMD),
+	[snd_soc_dapm_pga]	= SND_SOC_DAPM_PGA_E(NULL, SND_SOC_NOPM,
+					0, 0, NULL, 0,
+					gbaudio_widget_event,
+					SND_SOC_DAPM_PRE_PMU |
+					SND_SOC_DAPM_POST_PMD),
+	[snd_soc_dapm_mixer]	= SND_SOC_DAPM_MIXER_E(NULL, SND_SOC_NOPM,
+					0, 0, NULL, 0,
+					gbaudio_widget_event,
+					SND_SOC_DAPM_PRE_PMU |
+					SND_SOC_DAPM_POST_PMD),
+	[snd_soc_dapm_mux]	= SND_SOC_DAPM_MUX_E(NULL, SND_SOC_NOPM,
+					0, 0, NULL,
+					gbaudio_widget_event,
+					SND_SOC_DAPM_PRE_PMU |
+					SND_SOC_DAPM_POST_PMD),
+	[snd_soc_dapm_aif_in]	= SND_SOC_DAPM_AIF_IN_E(NULL, NULL, 0,
+					SND_SOC_NOPM, 0, 0,
+					gbaudio_widget_event,
+					SND_SOC_DAPM_PRE_PMU |
+					SND_SOC_DAPM_POST_PMD),
+	[snd_soc_dapm_aif_out]	= SND_SOC_DAPM_AIF_OUT_E(NULL, NULL, 0,
+					SND_SOC_NOPM, 0, 0,
+					gbaudio_widget_event,
+					SND_SOC_DAPM_PRE_PMU |
+					SND_SOC_DAPM_POST_PMD),
+};
+
 static int gbaudio_tplg_create_widget(struct gbaudio_module_info *module,
 				      struct snd_soc_dapm_widget *dw,
 				      struct gb_audio_widget *w, int *w_size)
@@ -1061,77 +1099,37 @@ static int gbaudio_tplg_create_widget(struct gbaudio_module_info *module,
 
 	switch (w->type) {
 	case snd_soc_dapm_spk:
-		*dw = (struct snd_soc_dapm_widget)
-			SND_SOC_DAPM_SPK(w->name, gbcodec_event_spk);
+		*dw = gbaudio_widgets[w->type];
 		module->op_devices |= GBAUDIO_DEVICE_OUT_SPEAKER;
 		break;
 	case snd_soc_dapm_hp:
-		*dw = (struct snd_soc_dapm_widget)
-			SND_SOC_DAPM_HP(w->name, gbcodec_event_hp);
+		*dw = gbaudio_widgets[w->type];
 		module->op_devices |= (GBAUDIO_DEVICE_OUT_WIRED_HEADSET
 					| GBAUDIO_DEVICE_OUT_WIRED_HEADPHONE);
 		module->ip_devices |= GBAUDIO_DEVICE_IN_WIRED_HEADSET;
 		break;
 	case snd_soc_dapm_mic:
-		*dw = (struct snd_soc_dapm_widget)
-			SND_SOC_DAPM_MIC(w->name, gbcodec_event_int_mic);
+		*dw = gbaudio_widgets[w->type];
 		module->ip_devices |= GBAUDIO_DEVICE_IN_BUILTIN_MIC;
 		break;
 	case snd_soc_dapm_output:
-		*dw = (struct snd_soc_dapm_widget)SND_SOC_DAPM_OUTPUT(w->name);
-		break;
 	case snd_soc_dapm_input:
-		*dw = (struct snd_soc_dapm_widget)SND_SOC_DAPM_INPUT(w->name);
-		break;
 	case snd_soc_dapm_switch:
-		*dw = (struct snd_soc_dapm_widget)
-			SND_SOC_DAPM_SWITCH_E(w->name, SND_SOC_NOPM, 0, 0,
-					      widget_kctls,
-					      gbaudio_widget_event,
-					      SND_SOC_DAPM_PRE_PMU |
-					      SND_SOC_DAPM_POST_PMD);
-		break;
 	case snd_soc_dapm_pga:
-		*dw = (struct snd_soc_dapm_widget)
-			SND_SOC_DAPM_PGA_E(w->name, SND_SOC_NOPM, 0, 0, NULL, 0,
-					   gbaudio_widget_event,
-					   SND_SOC_DAPM_PRE_PMU |
-					   SND_SOC_DAPM_POST_PMD);
-		break;
 	case snd_soc_dapm_mixer:
-		*dw = (struct snd_soc_dapm_widget)
-			SND_SOC_DAPM_MIXER_E(w->name, SND_SOC_NOPM, 0, 0, NULL,
-					     0, gbaudio_widget_event,
-					     SND_SOC_DAPM_PRE_PMU |
-					     SND_SOC_DAPM_POST_PMD);
-		break;
 	case snd_soc_dapm_mux:
-		*dw = (struct snd_soc_dapm_widget)
-			SND_SOC_DAPM_MUX_E(w->name, SND_SOC_NOPM, 0, 0,
-					   widget_kctls, gbaudio_widget_event,
-					   SND_SOC_DAPM_PRE_PMU |
-					   SND_SOC_DAPM_POST_PMD);
+		*dw = gbaudio_widgets[w->type];
 		break;
 	case snd_soc_dapm_aif_in:
-		*dw = (struct snd_soc_dapm_widget)
-			SND_SOC_DAPM_AIF_IN_E(w->name, w->sname, 0,
-					      SND_SOC_NOPM,
-					      0, 0, gbaudio_widget_event,
-					      SND_SOC_DAPM_PRE_PMU |
-					      SND_SOC_DAPM_POST_PMD);
-		break;
 	case snd_soc_dapm_aif_out:
-		*dw = (struct snd_soc_dapm_widget)
-			SND_SOC_DAPM_AIF_OUT_E(w->name, w->sname, 0,
-					       SND_SOC_NOPM,
-					       0, 0, gbaudio_widget_event,
-					       SND_SOC_DAPM_PRE_PMU |
-					       SND_SOC_DAPM_POST_PMD);
+		*dw = gbaudio_widgets[w->type];
+		dw->sname = w->sname;
 		break;
 	default:
 		ret = -EINVAL;
 		goto error;
 	}
+	dw->name = w->name;
 
 	dev_dbg(module->dev, "%s: widget of type %d created\n", dw->name,
 		dw->id);
diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c
index ed4ff78dd02a..71cca6e1dea4 100644
--- a/drivers/staging/wlan-ng/hfa384x_usb.c
+++ b/drivers/staging/wlan-ng/hfa384x_usb.c
@@ -3779,18 +3779,18 @@ static void hfa384x_usb_throttlefn(struct timer_list *t)
 
 	spin_lock_irqsave(&hw->ctlxq.lock, flags);
 
-	/*
-	 * We need to check BOTH the RX and the TX throttle controls,
-	 * so we use the bitwise OR instead of the logical OR.
-	 */
 	pr_debug("flags=0x%lx\n", hw->usb_flags);
-	if (!hw->wlandev->hwremoved &&
-	    ((test_and_clear_bit(THROTTLE_RX, &hw->usb_flags) &&
-	      !test_and_set_bit(WORK_RX_RESUME, &hw->usb_flags)) |
-	     (test_and_clear_bit(THROTTLE_TX, &hw->usb_flags) &&
-	      !test_and_set_bit(WORK_TX_RESUME, &hw->usb_flags))
-	    )) {
-		schedule_work(&hw->usb_work);
+	if (!hw->wlandev->hwremoved) {
+		bool rx_throttle = test_and_clear_bit(THROTTLE_RX, &hw->usb_flags) &&
+				   !test_and_set_bit(WORK_RX_RESUME, &hw->usb_flags);
+		bool tx_throttle = test_and_clear_bit(THROTTLE_TX, &hw->usb_flags) &&
+				   !test_and_set_bit(WORK_TX_RESUME, &hw->usb_flags);
+		/*
+		 * We need to check BOTH the RX and the TX throttle controls,
+		 * so we use the bitwise OR instead of the logical OR.
+		 */
+		if (rx_throttle | tx_throttle)
+			schedule_work(&hw->usb_work);
 	}
 
 	spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index d0f45600b669..fe9b392bffee 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -753,6 +753,7 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd)
 {
 	struct urb	*urb;
 	int		length;
+	int		status;
 	unsigned long	flags;
 	char		buffer[6];	/* Any root hubs with > 31 ports? */
 
@@ -770,11 +771,17 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd)
 		if (urb) {
 			clear_bit(HCD_FLAG_POLL_PENDING, &hcd->flags);
 			hcd->status_urb = NULL;
+			if (urb->transfer_buffer_length >= length) {
+				status = 0;
+			} else {
+				status = -EOVERFLOW;
+				length = urb->transfer_buffer_length;
+			}
 			urb->actual_length = length;
 			memcpy(urb->transfer_buffer, buffer, length);
 
 			usb_hcd_unlink_urb_from_ep(hcd, urb);
-			usb_hcd_giveback_urb(hcd, urb, 0);
+			usb_hcd_giveback_urb(hcd, urb, status);
 		} else {
 			length = 0;
 			set_bit(HCD_FLAG_POLL_PENDING, &hcd->flags);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index d7ab2e88631a..69dd48f9507e 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1223,7 +1223,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 			 */
 			if (portchange || (hub_is_superspeed(hub->hdev) &&
 						port_resumed))
-				set_bit(port1, hub->change_bits);
+				set_bit(port1, hub->event_bits);
 
 		} else if (udev->persist_enabled) {
 #ifdef CONFIG_PM
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 77e6964ae1a9..e90f37e22202 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -855,8 +855,17 @@ void wq_worker_running(struct task_struct *task)
 
 	if (!worker->sleeping)
 		return;
+
+	/*
+	 * If preempted by unbind_workers() between the WORKER_NOT_RUNNING check
+	 * and the nr_running increment below, we may ruin the nr_running reset
+	 * and leave with an unexpected pool->nr_running == 1 on the newly unbound
+	 * pool. Protect against such race.
+	 */
+	preempt_disable();
 	if (!(worker->flags & WORKER_NOT_RUNNING))
 		atomic_inc(&worker->pool->nr_running);
+	preempt_enable();
 	worker->sleeping = 0;
 }
 

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