[PATCH net-next] net: hns3: Check for allocation failure

[Dan Carpenter]

We should return -ENOMEM if the kcalloc() fails.

Fixes: d174ea75c96a ("net: hns3: add statistics for PFC frames and MAC control 
frame")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index ae8336c18264..afd9a0176923 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -343,6 +343,8 @@ 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) {
-- 
2.17.1