diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index fbdd731..cc9b594 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2083,7 +2083,7 @@
 static int cma_check_linklocal(struct rdma_dev_addr *dev_addr,
 			       struct sockaddr *addr)
 {
-#if defined(CONFIG_IPv6) || defined(CONFIG_IPV6_MODULE)
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 	struct sockaddr_in6 *sin6;
 
 	if (addr->sa_family != AF_INET6)
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 989555c..2a97c96 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1752,7 +1752,7 @@
 	ind = qp->rq.head & (qp->rq.wqe_cnt - 1);
 
 	for (nreq = 0; wr; ++nreq, wr = wr->next) {
-		if (mlx4_wq_overflow(&qp->rq, nreq, qp->ibqp.send_cq)) {
+		if (mlx4_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) {
 			err = -ENOMEM;
 			*bad_wr = wr;
 			goto out;
diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c
index d425652..cf8085b 100644
--- a/drivers/infiniband/hw/mlx4/srq.c
+++ b/drivers/infiniband/hw/mlx4/srq.c
@@ -74,6 +74,7 @@
 	struct mlx4_ib_dev *dev = to_mdev(pd->device);
 	struct mlx4_ib_srq *srq;
 	struct mlx4_wqe_srq_next_seg *next;
+	struct mlx4_wqe_data_seg *scatter;
 	int desc_size;
 	int buf_size;
 	int err;
@@ -149,6 +150,11 @@
 			next = get_wqe(srq, i);
 			next->next_wqe_index =
 				cpu_to_be16((i + 1) & (srq->msrq.max - 1));
+
+			for (scatter = (void *) (next + 1);
+			     (void *) scatter < (void *) next + desc_size;
+			     ++scatter)
+				scatter->lkey = cpu_to_be32(MLX4_INVALID_LKEY);
 		}
 
 		err = mlx4_mtt_init(dev->dev, srq->buf.npages, srq->buf.page_shift,
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 291a505..3cf56d9 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -1174,7 +1174,7 @@
 	return 0;
 
 err_port:
-	for (port = 1; port <= dev->caps.num_ports; port++)
+	for (--port; port >= 1; --port)
 		mlx4_cleanup_port_info(&priv->port[port]);
 
 	mlx4_cleanup_mcg_table(dev);