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/ad7606.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c index dd6b603f65ea..8d462b66fb21 100644 --- a/drivers/iio/adc/ad7606.c +++ b/drivers/iio/adc/ad7606.c @@ -205,8 +205,7 @@ static ssize_t ad7606_show_avail(char *buf, const unsigned int *vals, int i; for (i = 0; i < n; i++) { - len += scnprintf(buf + len, PAGE_SIZE - len, - micros ? "0.%06u " : "%u ", vals[i]); + len += sysfs_emit_at(buf, len, micros ? "0.%06u " : "%u ", vals[i]); } buf[len - 1] = '\n'; -- 2.25.1