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From: Huazhong Tan <tanhuazhong@huawei.com>
Date: Sat, 23 Feb 2019 17:22:19 +0800
Subject: net: hns3: fix improper error handling for hns3_client_start
Patch-mainline: v5.1-rc1
Git-commit: 186551284e6ec3d7c87b0e48da570816a39e9afc
References: bsc#1126390

If hns3_client_start() failed in the hns3_client_init(),
register_dev() should be undo in its error handling.

Fixes: a6d818e31d08 ("net: hns3: Add vport alive state checking support")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -3655,7 +3655,7 @@ static int hns3_client_init(struct hnae3
 	ret = hns3_client_start(handle);
 	if (ret) {
 		dev_err(priv->dev, "hns3_client_start fail! ret=%d\n", ret);
-			goto out_reg_netdev_fail;
+			goto out_client_start;
 	}
 
 	hns3_dcbnl_setup(handle);
@@ -3669,6 +3669,8 @@ static int hns3_client_init(struct hnae3
 
 	return ret;
 
+out_client_start:
+	unregister_netdev(netdev);
 out_reg_netdev_fail:
 	hns3_uninit_phy(netdev);
 out_init_phy: