When the list of head is empty, no error return code of
exynos_ufs_get_clk_info() is assigned.
To fix this bug, ret is assigned with -ENOENT as error return code.
Reported-by: TOTE Robot <oslab@xxxxxxxxxxxxxxx>
Signed-off-by: Jia-Ju Bai <baijiaju1990@xxxxxxxxx>
---
drivers/scsi/ufs/ufs-exynos.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index 267943a13a94..d67652e5cc34 100644
--- a/drivers/scsi/ufs/ufs-exynos.c
+++ b/drivers/scsi/ufs/ufs-exynos.c
@@ -264,8 +264,10 @@ static int exynos_ufs_get_clk_info(struct exynos_ufs *ufs)
u8 div = 0;
int ret = 0;
- if (list_empty(head))
+ if (list_empty(head)) {
+ ret = -ENOENT;
goto out;
+ }
list_for_each_entry(clki, head, list) {
if (!IS_ERR(clki->clk)) {
--
2.17.1
