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path: root/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
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Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
index 30f2e9352cf3..f60b80bd605e 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
@@ -102,7 +102,8 @@ int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev, u16 code, u16 subcode,
~HCLGE_MBX_NEED_RESP_BIT;
req->msg[0] = code;
req->msg[1] = subcode;
- memcpy(&req->msg[2], msg_data, msg_len);
+ if (msg_data)
+ memcpy(&req->msg[2], msg_data, msg_len);
/* synchronous send */
if (need_resp) {