1 files changed, 24 insertions, 27 deletions

diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index bcef06bf15e..5fa00669f9b 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -227,7 +227,6 @@ static void mthca_wq_init(struct mthca_wq *wq)
         wq->last_comp = wq->max - 1;
         wq->head      = 0;
         wq->tail      = 0;
-        wq->last      = NULL;
 }
 
 void mthca_qp_event(struct mthca_dev *dev, u32 qpn,
@@ -687,7 +686,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
         }
 
         if (attr_mask & IB_QP_TIMEOUT) {
-                qp_context->pri_path.ackto = attr->timeout;
+                qp_context->pri_path.ackto = attr->timeout << 3;
                 qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_ACK_TIMEOUT);
         }
 
@@ -1103,6 +1102,9 @@ static int mthca_alloc_qp_common(struct mthca_dev *dev,
                 }
         }
 
+        qp->sq.last = get_send_wqe(qp, qp->sq.max - 1);
+        qp->rq.last = get_recv_wqe(qp, qp->rq.max - 1);
+
         return 0;
 }
 
@@ -1583,15 +1585,13 @@ int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
                         goto out;
                 }
 
-                if (prev_wqe) {
-                        ((struct mthca_next_seg *) prev_wqe)->nda_op =
-                                cpu_to_be32(((ind << qp->sq.wqe_shift) +
-                                             qp->send_wqe_offset) |
-                                            mthca_opcode[wr->opcode]);
-                        wmb();
-                        ((struct mthca_next_seg *) prev_wqe)->ee_nds =
-                                cpu_to_be32((size0 ? 0 : MTHCA_NEXT_DBD) | size);
-                }
+                ((struct mthca_next_seg *) prev_wqe)->nda_op =
+                        cpu_to_be32(((ind << qp->sq.wqe_shift) +
+                                     qp->send_wqe_offset) |
+                                    mthca_opcode[wr->opcode]);
+                wmb();
+                ((struct mthca_next_seg *) prev_wqe)->ee_nds =
+                        cpu_to_be32((size0 ? 0 : MTHCA_NEXT_DBD) | size);
 
                 if (!size0) {
                         size0 = size;
@@ -1688,13 +1688,11 @@ int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
 
                 qp->wrid[ind] = wr->wr_id;
 
-                if (likely(prev_wqe)) {
-                        ((struct mthca_next_seg *) prev_wqe)->nda_op =
-                                cpu_to_be32((ind << qp->rq.wqe_shift) | 1);
-                        wmb();
-                        ((struct mthca_next_seg *) prev_wqe)->ee_nds =
-                                cpu_to_be32(MTHCA_NEXT_DBD | size);
-                }
+                ((struct mthca_next_seg *) prev_wqe)->nda_op =
+                        cpu_to_be32((ind << qp->rq.wqe_shift) | 1);
+                wmb();
+                ((struct mthca_next_seg *) prev_wqe)->ee_nds =
+                        cpu_to_be32(MTHCA_NEXT_DBD | size);
 
                 if (!size0)
                         size0 = size;
@@ -1905,15 +1903,13 @@ int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
                         goto out;
                 }
 
-                if (likely(prev_wqe)) {
-                        ((struct mthca_next_seg *) prev_wqe)->nda_op =
-                                cpu_to_be32(((ind << qp->sq.wqe_shift) +
-                                             qp->send_wqe_offset) |
-                                            mthca_opcode[wr->opcode]);
-                        wmb();
-                        ((struct mthca_next_seg *) prev_wqe)->ee_nds =
-                                cpu_to_be32(MTHCA_NEXT_DBD | size);
-                }
+                ((struct mthca_next_seg *) prev_wqe)->nda_op =
+                        cpu_to_be32(((ind << qp->sq.wqe_shift) +
+                                     qp->send_wqe_offset) |
+                                    mthca_opcode[wr->opcode]);
+                wmb();
+                ((struct mthca_next_seg *) prev_wqe)->ee_nds =
+                        cpu_to_be32(MTHCA_NEXT_DBD | size);
 
                 if (!size0) {
                         size0 = size;
@@ -2127,5 +2123,6 @@ void __devexit mthca_cleanup_qp_table(struct mthca_dev *dev)
         for (i = 0; i < 2; ++i)
                 mthca_CONF_SPECIAL_QP(dev, i, 0, &status);
 
+        mthca_array_cleanup(&dev->qp_table.qp, dev->limits.num_qps);
         mthca_alloc_cleanup(&dev->qp_table.alloc);
 }