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drivers/video/backlight/s6e63m0.c: fix corruption storing gamma mode

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strict_strtoul() writes a long but ->gamma_mode only has space to store an
int, so on 64 bit systems we end up scribbling over ->gamma_table_count as
well.  I've changed it to use kstrtouint() instead.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dan Carpenter 2012-03-15 15:17:12 -07:00 committed by Linus Torvalds
parent 5eb1eb4ea1
commit cf2b94daab
1 changed files with 1 additions and 1 deletions
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drivers/video/backlight/s6e63m0.c
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@ -690,7 +690,7 @@ static ssize_t s6e63m0_sysfs_store_gamma_mode(struct device *dev,
struct backlight_device *bd = NULL;
int brightness, rc;
rc = strict_strtoul(buf, 0, (unsigned long *)&lcd->gamma_mode);
rc = kstrtouint(buf, 0, &lcd->gamma_mode);
if (rc < 0)
return rc;