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/magnetometer/mag3110.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iio/magnetometer/mag3110.c b/drivers/iio/magnetometer/mag3110.c index 661176a885ad..6dcc68093535 100644 --- a/drivers/iio/magnetometer/mag3110.c +++ b/drivers/iio/magnetometer/mag3110.c @@ -121,8 +121,7 @@ static ssize_t mag3110_show_int_plus_micros(char *buf, size_t len = 0; while (n-- > 0) - len += scnprintf(buf + len, PAGE_SIZE - len, - "%d.%06d ", vals[n][0], vals[n][1]); + len += sysfs_emit_at(buf, len, "%d.%06d ", vals[n][0], vals[n][1]); /* replace trailing space by newline */ buf[len - 1] = '\n'; -- 2.25.1
