From 434144a72fb205c130b3f4a65a0d2c7c83c3b00d Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 4 Aug 2023 12:26:51 +0200 Subject: [PATCH] 4.19-stable patches added patches: drivers-core-use-sysfs_emit-and-sysfs_emit_at-for-show-device-...-functions.patch --- ...mit_at-for-show-device-...-functions.patch | 714 ++++++++++++++++++ queue-4.19/series | 1 + 2 files changed, 715 insertions(+) create mode 100644 queue-4.19/drivers-core-use-sysfs_emit-and-sysfs_emit_at-for-show-device-...-functions.patch diff --git a/queue-4.19/drivers-core-use-sysfs_emit-and-sysfs_emit_at-for-show-device-...-functions.patch b/queue-4.19/drivers-core-use-sysfs_emit-and-sysfs_emit_at-for-show-device-...-functions.patch new file mode 100644 index 00000000000..175ebaaac8d --- /dev/null +++ b/queue-4.19/drivers-core-use-sysfs_emit-and-sysfs_emit_at-for-show-device-...-functions.patch @@ -0,0 +1,714 @@ +From aa838896d87af561a33ecefea1caa4c15a68bc47 Mon Sep 17 00:00:00 2001 +From: Joe Perches +Date: Wed, 16 Sep 2020 13:40:39 -0700 +Subject: drivers core: Use sysfs_emit and sysfs_emit_at for show(device *...) functions + +From: Joe Perches + +commit aa838896d87af561a33ecefea1caa4c15a68bc47 upstream. + +Convert the various sprintf fmaily calls in sysfs device show functions +to sysfs_emit and sysfs_emit_at for PAGE_SIZE buffer safety. + +Done with: + +$ spatch -sp-file sysfs_emit_dev.cocci --in-place --max-width=80 . + +And cocci script: + +$ cat sysfs_emit_dev.cocci +@@ +identifier d_show; +identifier dev, attr, buf; +@@ + +ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + <... + return +- sprintf(buf, ++ sysfs_emit(buf, + ...); + ...> +} + +@@ +identifier d_show; +identifier dev, attr, buf; +@@ + +ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + <... + return +- snprintf(buf, PAGE_SIZE, ++ sysfs_emit(buf, + ...); + ...> +} + +@@ +identifier d_show; +identifier dev, attr, buf; +@@ + +ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + <... + return +- scnprintf(buf, PAGE_SIZE, ++ sysfs_emit(buf, + ...); + ...> +} + +@@ +identifier d_show; +identifier dev, attr, buf; +expression chr; +@@ + +ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + <... + return +- strcpy(buf, chr); ++ sysfs_emit(buf, chr); + ...> +} + +@@ +identifier d_show; +identifier dev, attr, buf; +identifier len; +@@ + +ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + <... + len = +- sprintf(buf, ++ sysfs_emit(buf, + ...); + ...> + return len; +} + +@@ +identifier d_show; +identifier dev, attr, buf; +identifier len; +@@ + +ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + <... + len = +- snprintf(buf, PAGE_SIZE, ++ sysfs_emit(buf, + ...); + ...> + return len; +} + +@@ +identifier d_show; +identifier dev, attr, buf; +identifier len; +@@ + +ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + <... + len = +- scnprintf(buf, PAGE_SIZE, ++ sysfs_emit(buf, + ...); + ...> + return len; +} + +@@ +identifier d_show; +identifier dev, attr, buf; +identifier len; +@@ + +ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + <... +- len += scnprintf(buf + len, PAGE_SIZE - len, ++ len += sysfs_emit_at(buf, len, + ...); + ...> + return len; +} + +@@ +identifier d_show; +identifier dev, attr, buf; +expression chr; +@@ + +ssize_t d_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + ... +- strcpy(buf, chr); +- return strlen(buf); ++ return sysfs_emit(buf, chr); +} + +Signed-off-by: Joe Perches +Link: https://lore.kernel.org/r/3d033c33056d88bbe34d4ddb62afd05ee166ab9a.1600285923.git.joe@perches.com +[ Brennan : Regenerated for 4.19 to fix CVE-2022-20166 ] +Signed-off-by: Brennan Lamoreaux +Signed-off-by: Greg Kroah-Hartman +--- + drivers/base/arch_topology.c | 2 - + drivers/base/cacheinfo.c | 18 +++++------ + drivers/base/core.c | 8 ++--- + drivers/base/cpu.c | 30 +++++++++---------- + drivers/base/firmware_loader/fallback.c | 2 - + drivers/base/memory.c | 24 +++++++-------- + drivers/base/node.c | 8 ++--- + drivers/base/platform.c | 2 - + drivers/base/power/sysfs.c | 50 ++++++++++++++++---------------- + drivers/base/soc.c | 8 ++--- + 10 files changed, 76 insertions(+), 76 deletions(-) + +--- a/drivers/base/arch_topology.c ++++ b/drivers/base/arch_topology.c +@@ -44,7 +44,7 @@ static ssize_t cpu_capacity_show(struct + { + struct cpu *cpu = container_of(dev, struct cpu, dev); + +- return sprintf(buf, "%lu\n", topology_get_cpu_scale(NULL, cpu->dev.id)); ++ return sysfs_emit(buf, "%lu\n", topology_get_cpu_scale(NULL, cpu->dev.id)); + } + + static ssize_t cpu_capacity_store(struct device *dev, +--- a/drivers/base/cacheinfo.c ++++ b/drivers/base/cacheinfo.c +@@ -372,7 +372,7 @@ static ssize_t size_show(struct device * + { + 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) +@@ -402,11 +402,11 @@ static ssize_t type_show(struct device * + + 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; + } +@@ -420,11 +420,11 @@ static ssize_t allocation_policy_show(st + 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; + } + +@@ -436,9 +436,9 @@ static ssize_t write_policy_show(struct + 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; + } + +--- a/drivers/base/core.c ++++ b/drivers/base/core.c +@@ -994,7 +994,7 @@ ssize_t device_show_ulong(struct device + 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); + +@@ -1019,7 +1019,7 @@ ssize_t device_show_int(struct device *d + { + 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); + +@@ -1040,7 +1040,7 @@ ssize_t device_show_bool(struct device * + { + 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); + +@@ -1273,7 +1273,7 @@ static ssize_t online_show(struct device + 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, +--- a/drivers/base/cpu.c ++++ b/drivers/base/cpu.c +@@ -156,7 +156,7 @@ static ssize_t show_crash_notes(struct d + * 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(str + { + 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); +@@ -264,7 +264,7 @@ static ssize_t print_cpus_offline(struct + nr_cpu_ids, total_cpus-1); + } + +- n += snprintf(&buf[n], len - n, "\n"); ++ n += sysfs_emit(&buf[n], "\n"); + return n; + } + static DEVICE_ATTR(offline, 0444, print_cpus_offline, NULL); +@@ -280,7 +280,7 @@ static ssize_t print_cpus_isolated(struc + + 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); + +@@ -294,7 +294,7 @@ static ssize_t print_cpus_nohz_full(stru + { + int n = 0, len = PAGE_SIZE-2; + +- n = scnprintf(buf, len, "%*pbl\n", cpumask_pr_args(tick_nohz_full_mask)); ++ n = sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(tick_nohz_full_mask)); + + return n; + } +@@ -328,7 +328,7 @@ static ssize_t print_cpu_modalias(struct + ssize_t n; + u32 i; + +- n = sprintf(buf, "cpu:type:" CPU_FEATURE_TYPEFMT ":feature:", ++ n = sysfs_emit(buf, "cpu:type:" CPU_FEATURE_TYPEFMT ":feature:", + CPU_FEATURE_TYPEVAL); + + for (i = 0; i < MAX_CPU_FEATURES; i++) +@@ -520,56 +520,56 @@ static void __init cpu_dev_register_gene + 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"); + } + + ssize_t __weak cpu_show_mmio_stale_data(struct device *dev, +--- a/drivers/base/firmware_loader/fallback.c ++++ b/drivers/base/firmware_loader/fallback.c +@@ -215,7 +215,7 @@ static ssize_t firmware_loading_show(str + 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); + } + + /* one pages buffer should be mapped/unmapped only once */ +--- a/drivers/base/memory.c ++++ b/drivers/base/memory.c +@@ -121,7 +121,7 @@ static ssize_t show_mem_start_phys_index + 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); + } + + /* +@@ -145,7 +145,7 @@ static ssize_t show_mem_removable(struct + } + + out: +- return sprintf(buf, "%d\n", ret); ++ return sysfs_emit(buf, "%d\n", ret); + } + + /* +@@ -163,17 +163,17 @@ static ssize_t show_mem_state(struct dev + */ + 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; + } +@@ -384,7 +384,7 @@ static ssize_t show_phys_device(struct d + 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 +@@ -422,7 +422,7 @@ static ssize_t show_valid_zones(struct d + */ + 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; +@@ -456,7 +456,7 @@ static ssize_t + print_block_size(struct device *dev, struct device_attribute *attr, + char *buf) + { +- return sprintf(buf, "%lx\n", get_memory_block_size()); ++ return sysfs_emit(buf, "%lx\n", get_memory_block_size()); + } + + static DEVICE_ATTR(block_size_bytes, 0444, print_block_size, NULL); +@@ -470,9 +470,9 @@ show_auto_online_blocks(struct device *d + 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 +--- a/drivers/base/node.c ++++ b/drivers/base/node.c +@@ -69,7 +69,7 @@ static ssize_t node_read_meminfo(struct + struct sysinfo i; + + si_meminfo_node(&i, nid); +- 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" +@@ -96,7 +96,7 @@ static ssize_t node_read_meminfo(struct + nid, K(sum_zone_node_page_state(nid, NR_MLOCK))); + + #ifdef CONFIG_HIGHMEM +- n += sprintf(buf + n, ++ n += sysfs_emit(buf + n, + "Node %d HighTotal: %8lu kB\n" + "Node %d HighFree: %8lu kB\n" + "Node %d LowTotal: %8lu kB\n" +@@ -106,7 +106,7 @@ static ssize_t node_read_meminfo(struct + nid, K(i.totalram - i.totalhigh), + nid, K(i.freeram - i.freehigh)); + #endif +- n += sprintf(buf + n, ++ n += sysfs_emit(buf + n, + "Node %d Dirty: %8lu kB\n" + "Node %d Writeback: %8lu kB\n" + "Node %d FilePages: %8lu kB\n" +@@ -612,7 +612,7 @@ static ssize_t print_nodes_state(enum no + { + int n; + +- n = scnprintf(buf, PAGE_SIZE - 1, "%*pbl", ++ n = sysfs_emit(buf, "%*pbl", + nodemask_pr_args(&node_states[state])); + buf[n++] = '\n'; + buf[n] = '\0'; +--- a/drivers/base/platform.c ++++ b/drivers/base/platform.c +@@ -927,7 +927,7 @@ static ssize_t driver_override_show(stru + 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; + } +--- a/drivers/base/power/sysfs.c ++++ b/drivers/base/power/sysfs.c +@@ -101,7 +101,7 @@ 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); + } + +@@ -127,7 +127,7 @@ static ssize_t runtime_active_time_show( + int ret; + spin_lock_irq(&dev->power.lock); + update_pm_runtime_accounting(dev); +- ret = sprintf(buf, "%i\n", jiffies_to_msecs(dev->power.active_jiffies)); ++ ret = sysfs_emit(buf, "%i\n", jiffies_to_msecs(dev->power.active_jiffies)); + spin_unlock_irq(&dev->power.lock); + return ret; + } +@@ -140,7 +140,7 @@ static ssize_t runtime_suspended_time_sh + int ret; + spin_lock_irq(&dev->power.lock); + update_pm_runtime_accounting(dev); +- ret = sprintf(buf, "%i\n", ++ ret = sysfs_emit(buf, "%i\n", + jiffies_to_msecs(dev->power.suspended_jiffies)); + spin_unlock_irq(&dev->power.lock); + return ret; +@@ -175,7 +175,7 @@ static ssize_t runtime_status_show(struc + return -EIO; + } + } +- return sprintf(buf, p); ++ return sysfs_emit(buf, p); + } + + static DEVICE_ATTR_RO(runtime_status); +@@ -185,7 +185,7 @@ static ssize_t autosuspend_delay_ms_show + { + 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, +@@ -214,11 +214,11 @@ static ssize_t pm_qos_resume_latency_us_ + 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, +@@ -258,11 +258,11 @@ static ssize_t pm_qos_latency_tolerance_ + 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, +@@ -294,8 +294,8 @@ static ssize_t pm_qos_no_power_off_show( + 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, +@@ -323,9 +323,9 @@ static const char _disabled[] = "disable + 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, +@@ -511,7 +511,7 @@ static DEVICE_ATTR_RO(wakeup_prevent_sle + 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); + +@@ -519,8 +519,8 @@ static ssize_t runtime_active_kids_show( + 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); + +@@ -528,12 +528,12 @@ static ssize_t runtime_enabled_show(stru + 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); + +@@ -541,9 +541,9 @@ 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, +--- a/drivers/base/soc.c ++++ b/drivers/base/soc.c +@@ -72,13 +72,13 @@ static ssize_t soc_info_get(struct devic + 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_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/queue-4.19/series b/queue-4.19/series index fbaa372607e..dfcda3fe436 100644 --- a/queue-4.19/series +++ b/queue-4.19/series @@ -284,3 +284,4 @@ net-sched-cls_fw-fix-improper-refcount-update-leads-to-use-after-free.patch net-sched-sch_qfq-account-for-stab-overhead-in-qfq_enqueue.patch asoc-cs42l51-fix-driver-to-properly-autoload-with-automatic-module-loading.patch net-sched-cls_u32-fix-reference-counter-leak-leading-to-overflow.patch +drivers-core-use-sysfs_emit-and-sysfs_emit_at-for-show-device-...-functions.patch -- 2.47.3