Received-SPF: pass (google.com: domain of linux-crypto+bounces-3384-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3;
From: Chenghai Huang <huangchenghai2@huawei.com>
To: <herbert@gondor.apana.org.au>, <davem@davemloft.net>
CC: <linux-kernel@vger.kernel.org>, <linux-crypto@vger.kernel.org>,
	<fanghao11@huawei.com>, <liulongfang@huawei.com>, <shenyang39@huawei.com>,
	<songzhiqi1@huawei.com>, <qianweili@huawei.com>, <liushangbin@hisilicon.com>,
	<linwenkai6@hisilicon.com>, <taoqi10@huawei.com>, <wangzhou1@hisilicon.com>,
	<huangchenghai2@huawei.com>
Subject: [PATCH v2 5/9] crypto: hisilicon/qm - Add the default processing branch
Date: Sun, 7 Apr 2024 15:59:56 +0800
Message-ID: <20240407080000.673435-6-huangchenghai2@huawei.com>
In-Reply-To: <20240407080000.673435-1-huangchenghai2@huawei.com>
References: <20240407080000.673435-1-huangchenghai2@huawei.com>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain

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>
---
 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