diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c | 3 |
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) { |