The cmd type can be extended. Currently, only four types of cmd
can be processed. Therefor, add the default processing branch
to intercept incorrect parameter input.
Signed-off-by: Chenghai Huang <[email protected]>
---
drivers/crypto/hisilicon/qm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index 92f0a1d9b4a6..cedb3af1fc1a 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -645,6 +645,9 @@ int qm_set_and_get_xqc(struct hisi_qm *qm, u8 cmd, void *xqc, u32 qp_id, bool op
tmp_xqc = qm->xqc_buf.aeqc;
xqc_dma = qm->xqc_buf.aeqc_dma;
break;
+ default:
+ dev_err(&qm->pdev->dev, "unknown mailbox cmd %u\n", cmd);
+ return -EINVAL;
}
/* Setting xqc will fail if master OOO is blocked. */
--
2.30.0