IB/mlx4: Fix check of max_qp_dest_rdma in modify QP
max_qp_dest_rdma is already in natural units - no need to shift. This
was discovered by a test that deliberately requests more outstanding
atomic operation than the device supports.
Found by Sagi Rotem at Mellanox.
Signed-off-by: Eli Cohen <eli@mellanox.co.il>
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 5cd7069..9c362fa 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -694,7 +694,7 @@
}
if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC &&
- attr->max_dest_rd_atomic > 1 << dev->dev->caps.max_qp_dest_rdma) {
+ attr->max_dest_rd_atomic > dev->dev->caps.max_qp_dest_rdma) {
goto out;
}