RDMA: Check attr_mask during modify_qp

[linux-2.6-block.git] / drivers / infiniband / hw / mlx4 / qp.c

diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 5cb8e602294ca9ad1e89000991c307d84b3984a1..8834629615bc6d546b7a22c45afd07c7b7946d8e 100644 (file)
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -2787,6 +2787,9 @@ int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
        struct mlx4_ib_qp *mqp = to_mqp(ibqp);
        int ret;
 
+       if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+               return -EOPNOTSUPP;
+
        ret = _mlx4_ib_modify_qp(ibqp, attr, attr_mask, udata);
 
        if (mqp->mlx4_ib_qp_type == MLX4_IB_QPT_GSI) {