diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/port.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index 5d76a60ac053..9ba0c1ca10d5 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -244,10 +244,16 @@ EXPORT_SYMBOL_GPL(mlx4_get_base_qpn); void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac) { - struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; - struct mlx4_mac_table *table = &info->mac_table; + struct mlx4_port_info *info; + struct mlx4_mac_table *table; int index; + if (port < 1 || port > dev->caps.num_ports) { + mlx4_warn(dev, "invalid port number (%d), aborting...\n", port); + return; + } + info = &mlx4_priv(dev)->port[port]; + table = &info->mac_table; mutex_lock(&table->mutex); index = find_index(dev, table, mac); |