1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 0751697ef984..5a80e74731c8 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -1262,6 +1262,7 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
         struct net_device *dev = NULL;
         struct rdma_cm_event event;
         int ret;
+        struct ib_device_attr attr;
 
         listen_id = cm_id->context;
         if (cma_disable_remove(listen_id, CMA_LISTEN))
@@ -1311,10 +1312,19 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
         sin = (struct sockaddr_in *) &new_cm_id->route.addr.dst_addr;
         *sin = iw_event->remote_addr;
 
+        ret = ib_query_device(conn_id->id.device, &attr);
+        if (ret) {
+                cma_enable_remove(conn_id);
+                rdma_destroy_id(new_cm_id);
+                goto out;
+        }
+
         memset(&event, 0, sizeof event);
         event.event = RDMA_CM_EVENT_CONNECT_REQUEST;
         event.param.conn.private_data = iw_event->private_data;
         event.param.conn.private_data_len = iw_event->private_data_len;
+        event.param.conn.initiator_depth = attr.max_qp_init_rd_atom;
+        event.param.conn.responder_resources = attr.max_qp_rd_atom;
         ret = conn_id->id.event_handler(&conn_id->id, &event);
         if (ret) {
                 /* User wants to destroy the CM ID */