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Commit cf2b94da authored by Dan Carpenter's avatar Dan Carpenter Committed by Linus Torvalds
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drivers/video/backlight/s6e63m0.c: fix corruption storing gamma mode 



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: default avatarDan Carpenter <dan.carpenter@oracle.com>
Acked-by: default avatarInki Dae <inki.dae@samsung.com>
Signed-off-by: default avatarFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 5eb1eb4e

drivers/video/backlight/s6e63m0.c

+1 −1
Original line number Diff line number Diff line
@@ -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;