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| author | zhangguopeng <zhangguopeng@kylinos.cn> | 2024-11-05 10:49:41 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-11-12 02:17:05 +0100 |
| commit | 45dac1959bbdc498a2abb89919221455225789dc (patch) | |
| tree | 66345aa96686b11a4ff28af03be15d748908129a /kernel | |
| parent | lib: util_macros_kunit: add kunit test for util_macros.h (diff) | |
| download | linux-45dac1959bbdc498a2abb89919221455225789dc.tar.xz linux-45dac1959bbdc498a2abb89919221455225789dc.zip | |
kernel/reboot: replace sprintf() with sysfs_emit()
As Documentation/filesystems/sysfs.rst suggested, show() should only use
sysfs_emit() or sysfs_emit_at() when formatting the value to be returned
to user space.
No functional change intended.
Link: https://lkml.kernel.org/r/20241105094941.33739-1-zhangguopeng@kylinos.cn
Signed-off-by: zhangguopeng <zhangguopeng@kylinos.cn>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Fabio Estevam <festevam@denx.de>
Cc: Joel Granados <joel.granados@kernel.org>
Cc: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/reboot.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/reboot.c b/kernel/reboot.c index ffdf86b717ab..a701000bab34 100644 --- a/kernel/reboot.c +++ b/kernel/reboot.c @@ -1137,7 +1137,7 @@ static ssize_t mode_show(struct kobject *kobj, struct kobj_attribute *attr, char val = REBOOT_UNDEFINED_STR; } - return sprintf(buf, "%s\n", val); + return sysfs_emit(buf, "%s\n", val); } static ssize_t mode_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) @@ -1167,7 +1167,7 @@ static struct kobj_attribute reboot_mode_attr = __ATTR_RW(mode); #ifdef CONFIG_X86 static ssize_t force_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%d\n", reboot_force); + return sysfs_emit(buf, "%d\n", reboot_force); } static ssize_t force_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) @@ -1214,7 +1214,7 @@ static ssize_t type_show(struct kobject *kobj, struct kobj_attribute *attr, char val = REBOOT_UNDEFINED_STR; } - return sprintf(buf, "%s\n", val); + return sysfs_emit(buf, "%s\n", val); } static ssize_t type_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) @@ -1247,7 +1247,7 @@ static struct kobj_attribute reboot_type_attr = __ATTR_RW(type); #ifdef CONFIG_SMP static ssize_t cpu_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "%d\n", reboot_cpu); + return sysfs_emit(buf, "%d\n", reboot_cpu); } static ssize_t cpu_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) |