diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/main.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 678558b502f..9c5fbad513f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -986,6 +986,9 @@ static int map_bf_area(struct mlx4_dev *dev) resource_size_t bf_len; int err = 0; + if (!dev->caps.bf_reg_size) + return -ENXIO; + bf_start = pci_resource_start(dev->pdev, 2) + (dev->caps.num_uars << PAGE_SHIFT); bf_len = pci_resource_len(dev->pdev, 2) - |