[PATCH] scsi: ufs: fix error return code of exynos_ufs_get_clk_info()

[Jia-Ju Bai]

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 at tsinghua.edu.cn>
Signed-off-by: Jia-Ju Bai <baijiaju1990 at gmail.com>
---
 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