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>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 295e4bedad96..bbc49c496076 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;
 }
 
 /**