iio: trigger: stm32-timer: Convert to use sysfs_emit_at() API
Commit Message
From: ye xingchen <ye.xingchen@zte.com.cn>
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@zte.com.cn>
---
drivers/iio/trigger/stm32-timer-trigger.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
@@ -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';