net/mlx4_en: Fix panic during reboot

[cascardo/linux.git] / drivers / net / ethernet / mellanox / mlx4 / en_netdev.c

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 7e703be..314f54c 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -1733,6 +1733,13 @@ int mlx4_en_start_port(struct net_device *dev)
                udp_tunnel_get_rx_info(dev);
 
        priv->port_up = true;
+
+       /* Process all completions if exist to prevent
+        * the queues freezing if they are full
+        */
+       for (i = 0; i < priv->rx_ring_num; i++)
+               napi_schedule(&priv->rx_cq[i]->napi);
+
        netif_tx_start_all_queues(dev);
        netif_device_attach(dev);
 
@@ -2194,6 +2201,7 @@ void mlx4_en_destroy_netdev(struct net_device *dev)
 
        if (!shutdown)
                free_netdev(dev);
+       dev->ethtool_ops = NULL;
 }
 
 static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu)