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kernel/cpu: Convert snprintf() to sysfs_emit()

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Per filesystems/sysfs.rst, show() should only use sysfs_emit()
or sysfs_emit_at() when formatting the value to be returned to user space.

coccinelle complains that there are still a couple of functions that use
snprintf(). Convert them to sysfs_emit().

No functional change intended.

Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240116045151.3940401-40-lizhijian@fujitsu.com
This commit is contained in:
Li Zhijian 2024-01-16 12:51:51 +08:00 committed by Thomas Gleixner
parent ef7e585bf4
commit effe6d278e
1 changed files with 2 additions and 2 deletions
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4
kernel/cpu.c
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@ -3004,7 +3004,7 @@ static ssize_t control_show(struct device *dev,
return sysfs_emit(buf, "%d\n", cpu_smt_num_threads);
#endif
return snprintf(buf, PAGE_SIZE - 2, "%s\n", state);
return sysfs_emit(buf, "%s\n", state);
}
static ssize_t control_store(struct device *dev, struct device_attribute *attr,
@ -3017,7 +3017,7 @@ static DEVICE_ATTR_RW(control);
static ssize_t active_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE - 2, "%d\n", sched_smt_active());
return sysfs_emit(buf, "%d\n", sched_smt_active());
}
static DEVICE_ATTR_RO(active);