diff options
| -rw-r--r-- | drivers/video/backlight/adp5520_bl.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/video/backlight/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c index af3119707dbf..d1aee730d7d8 100644 --- a/drivers/video/backlight/adp5520_bl.c +++ b/drivers/video/backlight/adp5520_bl.c @@ -211,8 +211,12 @@ static ssize_t adp5520_bl_daylight_max_store(struct device *dev, const char *buf, size_t count) { struct adp5520_bl *data = dev_get_drvdata(dev); + int ret; + + ret = strict_strtoul(buf, 10, &data->cached_daylight_max); + if (ret < 0) + return ret; - strict_strtoul(buf, 10, &data->cached_daylight_max); return adp5520_store(dev, buf, count, ADP5520_DAYLIGHT_MAX); } static DEVICE_ATTR(daylight_max, 0664, adp5520_bl_daylight_max_show, |