3.8-stable review patch. If anyone has any objections, please let me know.
------------------
From: Kleber Sacilotto de Souza <kleb...@linux.vnet.ibm.com>
[ Upstream commit 427a96252d8eee7b9bbafce15bd37fa3387ede55 ]
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 <kleb...@linux.vnet.ibm.com>
Acked-by: Amir Vadai <am...@mellanox.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -1597,7 +1597,7 @@ int mlx4_en_init_netdev(struct mlx4_en_d
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;
--
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