net: hns3: use the correct interface to stop|open port

dev_close() stop the netdev and the service base on the netdev
will stop. But ndev->netdev_ops->ndo_stop() may only stop HW
and stack queue, the service base on the netdev can still work.

Fixes: 5668abda ("net: hns3: add support for set_ringparam")
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c

@@ -805,7 +805,7 @@ static int hns3_set_ringparam(struct net_device *ndev,
 		    old_desc_num, new_desc_num);
 
 	if (if_running)
-		dev_close(ndev);
+		ndev->netdev_ops->ndo_stop(ndev);
 
 	ret = hns3_uninit_all_ring(priv);
 	if (ret)
@@ -822,7 +822,7 @@ static int hns3_set_ringparam(struct net_device *ndev,
 	}
 
 	if (if_running)
-		ret = dev_open(ndev, NULL);
+		ret = ndev->netdev_ops->ndo_open(ndev);
 
 	return ret;
 }