diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx4/main.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/main.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index af2071ed1437..6cd8cd5bf1c5 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -132,7 +132,8 @@ static int num_ib_ports(struct mlx4_dev *dev) } static int mlx4_ib_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) + struct ib_device_attr *props, + struct ib_udata *uhw) { struct mlx4_ib_dev *dev = to_mdev(ibdev); struct ib_smp *in_mad = NULL; @@ -140,6 +141,9 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, int err = -ENOMEM; int have_ib_ports; + if (uhw->inlen || uhw->outlen) + return -EINVAL; + in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); if (!in_mad || !out_mad) |