RDMA/cxgb4: Cap CQ size at T4_MAX_IQ_SIZE

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index e436ead0b32f209af7fcf40908931e0dab6f2e4d..906119f7a43ff6bf43eff73fb3e3ada382929c90 100644 (file)
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -881,7 +881,7 @@ struct ib_cq *c4iw_create_cq(struct ib_device *ibdev, int entries,
        /*
         * Make actual HW queue 2x to avoid cdix_inc overflows.
         */
-       hwentries = entries * 2;
+       hwentries = min(entries * 2, T4_MAX_IQ_SIZE);
 
        /*
         * Make HW queue at least 64 entries so GTS updates aren't too