Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

[platform/kernel/linux-rpi.git] / drivers / net / ethernet / hisilicon / hns3 / hns3pf / hclge_debugfs.c

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
index 61d30b2..a983d01 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
@@ -1724,6 +1724,10 @@ hclge_dbg_get_imp_stats_info(struct hclge_dev *hdev, char *buf, int len)
        }
 
        bd_num = le32_to_cpu(req->bd_num);
+       if (!bd_num) {
+               dev_err(&hdev->pdev->dev, "imp statistics bd number is 0!\n");
+               return -EINVAL;
+       }
 
        desc_src = kcalloc(bd_num, sizeof(struct hclge_desc), GFP_KERNEL);
        if (!desc_src)