crypto: hisilicon/qm - Add the default processing branch

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 <huangchenghai2@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index 92f0a1d9b4a6b8b618cd2aa0d7528fb39caaad3c..cedb3af1fc1a065cfdc5c786f0865dec1f60f8da 100644 (file)
--- 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. */