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/adc/nau7802.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iio/adc/nau7802.c b/drivers/iio/adc/nau7802.c index c1261ecd400c..4dbf54979733 100644 --- a/drivers/iio/adc/nau7802.c +++ b/drivers/iio/adc/nau7802.c @@ -86,8 +86,7 @@ static ssize_t nau7802_show_scales(struct device *dev, int i, len = 0; for (i = 0; i < ARRAY_SIZE(st->scale_avail); i++) - len += scnprintf(buf + len, PAGE_SIZE - len, "0.%09d ", - st->scale_avail[i]); + len += sysfs_emit_at(buf, len, "0.%09d ", st->scale_avail[i]); buf[len-1] = '\n'; -- 2.25.1
