hclge_mac_update_stats_complete doesn't check for NULL
returns of kcalloc, it may result in an Oops.
Fixes: d174ea75c96a ("net: hns3: add statistics for PFC frames and MAC control
frames")
Signed-off-by: YueHaibing <[email protected]>
---
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 64b1589..7971606 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -343,6 +343,9 @@ 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) {
--
2.7.0
