net: hns3: add exception handling when enable NIC HW error interrupts
authorWeihang Li <liweihang@hisilicon.com>
Thu, 20 Jun 2019 08:52:45 +0000 (16:52 +0800)
committerDavid S. Miller <davem@davemloft.net>
Wed, 26 Jun 2019 15:59:02 +0000 (11:59 -0400)
If we failed to enable NIC HW error interrupts during client
initialization in some cases, we should do exception handling to clear
flags and free the resources.

Fixes: 00ea6e5fda9d ("net: hns3: delay and separate enabling of NIC and ROCE HW errors")
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c

index b0a99c30a384357e5a5621ee1fba2d4657ed1acb..b25365c343d10832d3a99c7d6603a31b1c9cdfbb 100644 (file)
@@ -8297,13 +8297,15 @@ static int hclge_init_nic_client_instance(struct hnae3_ae_dev *ae_dev,
                goto init_nic_err;
        }
 
-       hnae3_set_client_init_flag(client, ae_dev, 1);
-
        /* Enable nic hw error interrupts */
        ret = hclge_config_nic_hw_error(hdev, true);
-       if (ret)
+       if (ret) {
                dev_err(&ae_dev->pdev->dev,
                        "fail(%d) to enable hw error interrupts\n", ret);
+               goto init_nic_err;
+       }
+
+       hnae3_set_client_init_flag(client, ae_dev, 1);
 
        if (netif_msg_drv(&hdev->vport->nic))
                hclge_info_show(hdev);