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| author | Michael Hennerich <michael.hennerich@analog.com> | 2010-11-11 23:05:29 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-11-12 16:55:33 +0100 |
| commit | 4f1aa846316d789ae2df6d22d6bca6e4a373e23d (patch) | |
| tree | 49469d8b8513a5d76b97e101a717981f091fcc86 /drivers/video/backlight | |
| parent | drivers/video/backlight/adp8860_bl.c: fix ambient light zone overwrite handling (diff) | |
| download | linux-4f1aa846316d789ae2df6d22d6bca6e4a373e23d.tar.xz linux-4f1aa846316d789ae2df6d22d6bca6e4a373e23d.zip | |
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/backlight')
| -rw-r--r-- | 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 a447c92acc51..734c650a47c4 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, |