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

[Jia-Ju Bai]

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 <os...@tsinghua.edu.cn>
Signed-off-by: Jia-Ju Bai <baijiaju1...@gmail.com>
---
 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