IB/mlx4: Fix warning in rounding up queue sizes

Doing max(1, foo) where foo is u32 generates a warning, because 1 is a
signed constant.  Fix this by using 1U instead.

Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 5c6d054..4c15fa3 100644 (file)
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -207,8 +207,8 @@ static int set_rq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap,
                if (is_user && (!cap->max_recv_wr || !cap->max_recv_sge))
                        return -EINVAL;
 
-               qp->rq.max       = roundup_pow_of_two(max(1, cap->max_recv_wr));
-               qp->rq.max_gs    = roundup_pow_of_two(max(1, cap->max_recv_sge));
+               qp->rq.max       = roundup_pow_of_two(max(1U, cap->max_recv_wr));
+               qp->rq.max_gs    = roundup_pow_of_two(max(1U, cap->max_recv_sge));
                qp->rq.wqe_shift = ilog2(qp->rq.max_gs * sizeof (struct mlx4_wqe_data_seg));
        }