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>

4 files changed, 8 insertions, 6 deletions

diff --git a/drivers/net/mlx4/en_resources.c b/drivers/net/mlx4/en_resources.c
index a0545209e507..65ca706c04bb 100644
--- a/drivers/net/mlx4/en_resources.c
+++ b/drivers/net/mlx4/en_resources.c
@@ -94,3 +94,9 @@ void mlx4_en_unmap_buffer(struct mlx4_buf *buf)
 
         vunmap(buf->direct.buf);
 }
+
+void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event)
+{
+    return;
+}
+
diff --git a/drivers/net/mlx4/en_rx.c b/drivers/net/mlx4/en_rx.c
index 8673008f72df..0cbb78ca7b29 100644
--- a/drivers/net/mlx4/en_rx.c
+++ b/drivers/net/mlx4/en_rx.c
@@ -928,12 +928,6 @@ void mlx4_en_set_default_rss_map(struct mlx4_en_priv *priv,
         }
 }
 
-static void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event)
-{
-    return;
-}
-
-
 static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv,
                                  int qpn, int srqn, int cqn,
                                  enum mlx4_qp_state *state,
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;
 
diff --git a/drivers/net/mlx4/mlx4_en.h b/drivers/net/mlx4/mlx4_en.h
index e9af32d41ca4..ef840abbcd39 100644
--- a/drivers/net/mlx4/mlx4_en.h
+++ b/drivers/net/mlx4/mlx4_en.h
@@ -538,6 +538,7 @@ int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget);
 void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
                              int is_tx, int rss, int qpn, int cqn, int srqn,
                              struct mlx4_qp_context *context);
+void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event);
 int mlx4_en_map_buffer(struct mlx4_buf *buf);
 void mlx4_en_unmap_buffer(struct mlx4_buf *buf);