From: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
handle return value, strict_strtoul is declared with attribute warn_unused_result
Signed-off-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
---
drivers/video/backlight/adp8860_bl.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c
index 3ec2460..8746303 100644
--- a/drivers/video/backlight/adp8860_bl.c
+++ b/drivers/video/backlight/adp8860_bl.c
@@ -502,8 +502,10 @@ static ssize_t adp8860_bl_l1_daylight_max_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct adp8860_bl *data = dev_get_drvdata(dev);
+ int ret = strict_strtoul(buf, 10, &data->cached_daylight_max);
+ if (ret)
+ return ret;
- strict_strtoul(buf, 10, &data->cached_daylight_max);
return adp8860_store(dev, buf, count, ADP8860_BLMX1);
}
static DEVICE_ATTR(l1_daylight_max, 0664, adp8860_bl_l1_daylight_max_show,
--
1.6.0.2
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