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

From: Jia-Ju Bai
Date: Fri Mar 05 2021 - 04:54:41 EST


When the list of head is empty, no error return code of
ufshcd_init_clocks() 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/ufshcd.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 77161750c9fb..6a3e47d8f98f 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -8273,8 +8273,10 @@ static int ufshcd_init_clocks(struct ufs_hba *hba)
struct device *dev = hba->dev;
struct list_head *head = &hba->clk_list_head;

- if (list_empty(head))
+ if (list_empty(head)) {
+ ret = -ENOENT;
goto out;
+ }

list_for_each_entry(clki, head, list) {
if (!clki->name)
--
2.17.1