net/mlx5e: Call vxlan_get_rx_port() with rtnl lock

Hold the rtnl lock when calling vxlan_get_rx_port().

Fixes: b7aade15485a ("vxlan: break dependency with netdev drivers")
Signed-off-by: Matthew Finlay <matt@mellanox.com>
Reported-by: Alexander Duyck <alexander.duyck@gmail.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 8b0bd42..48825cb 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -2938,8 +2938,11 @@ static void *mlx5e_create_netdev(struct mlx5_core_dev *mdev)
                goto err_tc_cleanup;
        }
 
-       if (mlx5e_vxlan_allowed(mdev))
+       if (mlx5e_vxlan_allowed(mdev)) {
+               rtnl_lock();
                vxlan_get_rx_port(netdev);
+               rtnl_unlock();
+       }
 
        mlx5e_enable_async_events(priv);
        schedule_work(&priv->set_rx_mode_work);