netdev - [PATCH] mlx4_en: fix allocation of device tx

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Date:	Fri, 22 Feb 2013 21:58:02 -0300
From:	Kleber Sacilotto de Souza <klebers@...ux.vnet.ibm.com>
To:	davem@...emloft.net
Cc:	Amir Vadai <amirv@...lanox.com>, netdev@...r.kernel.org,
	Kleber Sacilotto de Souza <klebers@...ux.vnet.ibm.com>
Subject: [PATCH] mlx4_en: fix allocation of device tx_cq

The memory to hold the network device tx_cq is not being allocated with
the correct size in mlx4_en_init_netdev(). It should use MAX_TX_RINGS
instead of MAX_RX_RINGS. This can cause problems if the number of tx
rings being used is greater than MAX_RX_RINGS.

Signed-off-by: Kleber Sacilotto de Souza <klebers@...ux.vnet.ibm.com>
---
 drivers/net/ethernet/mellanox/mlx4/en_netdev.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 5088dc5..5944dd6 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -2067,7 +2067,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
 		err = -ENOMEM;
 		goto out;
 	}
-	priv->tx_cq = kzalloc(sizeof(struct mlx4_en_cq) * MAX_RX_RINGS,
+	priv->tx_cq = kzalloc(sizeof(struct mlx4_en_cq) * MAX_TX_RINGS,
 			      GFP_KERNEL);
 	if (!priv->tx_cq) {
 		err = -ENOMEM;
-- 
1.7.1

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