When the list of head is empty, no error return code of
ufshcd_set_clk_freq() 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..79899acb3ef6 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -970,8 +970,10 @@ static int ufshcd_set_clk_freq(struct ufs_hba *hba, bool scale_up)
struct ufs_clk_info *clki;
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 (!IS_ERR_OR_NULL(clki->clk)) {
--
2.17.1
