From: ye xingchen <ye.xingchen@xxxxxxxxxx> Follow the advice of the Documentation/filesystems/sysfs.rst and show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. Signed-off-by: ye xingchen <ye.xingchen@xxxxxxxxxx> --- drivers/iio/trigger/stm32-timer-trigger.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iio/trigger/stm32-timer-trigger.c b/drivers/iio/trigger/stm32-timer-trigger.c index 3643c4afae67..eadfb255f7b7 100644 --- a/drivers/iio/trigger/stm32-timer-trigger.c +++ b/drivers/iio/trigger/stm32-timer-trigger.c @@ -352,8 +352,7 @@ static ssize_t stm32_tt_show_master_mode_avail(struct device *dev, master_mode_max = MASTER_MODE_MAX; for (i = 0; i <= master_mode_max; i++) - len += scnprintf(buf + len, PAGE_SIZE - len, - "%s ", master_mode_table[i]); + len += sysfs_emit_at(buf, len, "%s ", master_mode_table[i]); /* replace trailing space by newline */ buf[len - 1] = '\n'; -- 2.25.1
