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authorMichael Hennerich <michael.hennerich@analog.com>2010-11-11 14:05:29 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-11-12 07:55:33 -0800
commit4f1aa846316d789ae2df6d22d6bca6e4a373e23d (patch)
tree49469d8b8513a5d76b97e101a717981f091fcc86 /drivers/video
parentc7ce2500e3140b728d8a98a1acb1c2690af51eae (diff)
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drivers/video/backlight/adp8860_bl.c: check strict_strtoul() return value
Handle return value, strict_strtoul is declared with attribute warn_unused_result. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Cc: Mike Frysinger <vapier@gentoo.org> Acked-by: Richard Purdie <rpurdie@linux.intel.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/backlight/adp8860_bl.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c
index a447c92acc5..734c650a47c 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,