diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
index dac051e798da..7e124e2c718d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c
@@ -1592,6 +1592,7 @@ hclge_query_reg_info(struct hclge_dev *hdev,
 	}
 
 	kfree(msg->desc);
+	msg->desc = NULL;
 }
 
 static void hclge_query_reg_info_of_ssu(struct hclge_dev *hdev)