From: Sachin Kamat <sachin.kamat@linaro.org>
Date: Fri, 16 Nov 2012 10:38:22 +0000 (+0530)
Subject: mtd: s3c2410: Fix potential NULL pointer dereference error
X-Git-Tag: v3.8-rc1~47^2~51
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ded4c55d108e0e4e4ba221b39a782e85d77a5ca0;p=profile%2Fivi%2Fkernel-x86-ivi.git

mtd: s3c2410: Fix potential NULL pointer dereference error

'set' is tested for NULL. But subsequently accessed without the check.
Thus making it conditional to avoid NULL pointer dereferencing.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
---

diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 295e4be..bbc49c4 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -730,11 +730,14 @@ static int s3c2410_nand_add_partition(struct s3c2410_nand_info *info,
 				      struct s3c2410_nand_mtd *mtd,
 				      struct s3c2410_nand_set *set)
 {
-	if (set)
+	if (set) {
 		mtd->mtd.name = set->name;
 
-	return mtd_device_parse_register(&mtd->mtd, NULL, NULL,
+		return mtd_device_parse_register(&mtd->mtd, NULL, NULL,
 					 set->partitions, set->nr_partitions);
+	}
+
+	return -ENODEV;
 }
 
 /**