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drivers/video/backlight/adp8860_bl.c: check strict_strtoul() return value

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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>
This commit is contained in:
Michael Hennerich 2010-11-11 14:05:29 -08:00 committed by Linus Torvalds
parent c7ce2500e3
commit 4f1aa84631
1 changed files with 3 additions and 1 deletions
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4
drivers/video/backlight/adp8860_bl.c
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@ -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 device_attribute *attr, const char *buf, size_t count)
{ {
struct adp8860_bl *data = dev_get_drvdata(dev); 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); return adp8860_store(dev, buf, count, ADP8860_BLMX1);
} }
static DEVICE_ATTR(l1_daylight_max, 0664, adp8860_bl_l1_daylight_max_show, static DEVICE_ATTR(l1_daylight_max, 0664, adp8860_bl_l1_daylight_max_show,