mlx4_en: Assign dummy event handler for TX queue

The low level driver always assumes this handler exists.
The lack of it could cause kernel panic

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
index 4afd5993e31c..ac6fc499b280 100644
--- a/drivers/net/mlx4/en_tx.c
+++ b/drivers/net/mlx4/en_tx.c
@@ -112,6 +112,7 @@ int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,
                 mlx4_err(mdev, "Failed allocating qp %d\n", ring->qpn);
                 goto err_reserve;
         }
+        ring->qp.event = mlx4_en_sqp_event;
 
         return 0;