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/health/afe440x.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/iio/health/afe440x.h b/drivers/iio/health/afe440x.h index 0adea0047eba..7750b1adc423 100644 --- a/drivers/iio/health/afe440x.h +++ b/drivers/iio/health/afe440x.h @@ -122,9 +122,7 @@ static ssize_t _name ## _show(struct device *dev, \ int i; \ \ for (i = 0; i < ARRAY_SIZE(_table); i++) \ - len += scnprintf(buf + len, PAGE_SIZE - len, "%d.%06u ", \ - _table[i].integer, \ - _table[i].fract); \ + len += sysfs_emit_at(buf, len, "%d.%06u ", _table[i].integer, _table[i].fract); \ \ buf[len - 1] = '\n'; \ \ -- 2.25.1