net: hns3: Check for allocation failure

Dan Carpenter · davem330 · commit 39ee6e8204b9 · 2019-02-01T10:01:39.000-08:00
We should return -ENOMEM if the kcalloc() fails. Fixes: d174ea7 ("net: hns3: add statistics for PFC frames and MAC control frame") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -351,6 +351,8 @@ static int hclge_mac_update_stats_complete(struct hclge_dev *hdev, u32 desc_num)
 	int ret;
 
 	desc = kcalloc(desc_num, sizeof(struct hclge_desc), GFP_KERNEL);
+	if (!desc)
+		return -ENOMEM;
 	hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_STATS_MAC_ALL, true);
 	ret = hclge_cmd_send(&hdev->hw, desc, desc_num);
 	if (ret) {
