[PATCH v2] crypto: hisilicon/qm - cleanup warning in qm_vf_read_qos

[Kai Ye]

The kernel test rebot report this warning: Uninitialized variable: ret.
The code flow may return value of ret directly. This value is an
uninitialized variable, here is fix it.

Signed-off-by: Kai Ye <yekai13@xxxxxxxxxx>
---
changes v1->v2:
	modfiy the comments.

 drivers/crypto/hisilicon/qm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index c5b84a5ea350..3b29c8993b8c 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -4295,7 +4295,7 @@ static void qm_vf_get_qos(struct hisi_qm *qm, u32 fun_num)
 static int qm_vf_read_qos(struct hisi_qm *qm)
 {
 	int cnt = 0;
-	int ret;
+	int ret = -EINVAL;
 
 	/* reset mailbox qos val */
 	qm->mb_qos = 0;
-- 
2.33.0