IB/cm: Remove ca_guid from cm_device structure

The cm_device references an ib_device, which already contains the node_guid.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

drivers/infiniband/core/cm.c

@@ -88,7 +88,6 @@ struct cm_port {
 struct cm_device {
 	struct list_head list;
 	struct ib_device *device;
-	__be64 ca_guid;
 	struct cm_port port[0];
 };
 
@@ -739,8 +738,8 @@ static void cm_destroy_id(struct ib_cm_id *cm_id, int err)
 		ib_cancel_mad(cm_id_priv->av.port->mad_agent, cm_id_priv->msg);
 		spin_unlock_irqrestore(&cm_id_priv->lock, flags);
 		ib_send_cm_rej(cm_id, IB_CM_REJ_TIMEOUT,
-			       &cm_id_priv->av.port->cm_dev->ca_guid,
-			       sizeof cm_id_priv->av.port->cm_dev->ca_guid,
+			       &cm_id_priv->id.device->node_guid,
+			       sizeof cm_id_priv->id.device->node_guid,
 			       NULL, 0);
 		break;
 	case IB_CM_REQ_RCVD:
@@ -883,7 +882,7 @@ static void cm_format_req(struct cm_req_msg *req_msg,
 
 	req_msg->local_comm_id = cm_id_priv->id.local_id;
 	req_msg->service_id = param->service_id;
-	req_msg->local_ca_guid = cm_id_priv->av.port->cm_dev->ca_guid;
+	req_msg->local_ca_guid = cm_id_priv->id.device->node_guid;
 	cm_req_set_local_qpn(req_msg, cpu_to_be32(param->qp_num));
 	cm_req_set_resp_res(req_msg, param->responder_resources);
 	cm_req_set_init_depth(req_msg, param->initiator_depth);
@@ -1442,7 +1441,7 @@ static void cm_format_rep(struct cm_rep_msg *rep_msg,
 	cm_rep_set_flow_ctrl(rep_msg, param->flow_control);
 	cm_rep_set_rnr_retry_count(rep_msg, param->rnr_retry_count);
 	cm_rep_set_srq(rep_msg, param->srq);
-	rep_msg->local_ca_guid = cm_id_priv->av.port->cm_dev->ca_guid;
+	rep_msg->local_ca_guid = cm_id_priv->id.device->node_guid;
 
 	if (param->private_data && param->private_data_len)
 		memcpy(rep_msg->private_data, param->private_data,
@@ -3385,7 +3384,6 @@ static void cm_add_one(struct ib_device *device)
 		return;
 
 	cm_dev->device = device;
-	cm_dev->ca_guid = device->node_guid;
 
 	set_bit(IB_MGMT_METHOD_SEND, reg_req.method_mask);
 	for (i = 1; i <= device->phys_port_cnt; i++) {