From: Huazhong Tan <tanhuazhong@huawei.com>
Date: Mon, 16 Jul 2018 16:36:24 +0100
Subject: net: hns3: remove unnecessary ring configuration operation while
 resetting
Patch-mainline: v4.19-rc1
Git-commit: d62eccaed41db5d231c597e1b019b13d7c760d6e
References: bsc#1104353 FATE#326415

The configuration of the ring will be used to reinitialize the
ring after the hardware reset is completed. So we should not
release and reacquire this configuration during reset.

Fixes: bb6b94a896d4 ("net: hns3: Add reset interface implementation in client")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@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 |    8 --------
 1 file changed, 8 deletions(-)

--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -3440,10 +3440,6 @@ static int hns3_reset_notify_init_enet(s
 	/* Carrier off reporting is important to ethtool even BEFORE open */
 	netif_carrier_off(netdev);
 
-	ret = hns3_get_ring_config(priv);
-	if (ret)
-		return ret;
-
 	ret = hns3_nic_init_vector_data(priv);
 	if (ret)
 		return ret;
@@ -3475,10 +3471,6 @@ static int hns3_reset_notify_uninit_enet
 	if (ret)
 		netdev_err(netdev, "uninit ring error\n");
 
-	hns3_put_ring_config(priv);
-
-	priv->ring_data = NULL;
-
 	hns3_uninit_mac_addr(netdev);
 
 	return ret;