{
        if (urbl) {
                unsigned long irq_state;
+
                spin_lock_irqsave(&g_link_lock, irq_state);
                if (g_link_pool_size < OZ_MAX_LINK_POOL_SIZE) {
                        urbl->link.next = g_link_pool;
        if (port) {
                struct list_head list;
                struct oz_hcd *ozhcd = port->ozhcd;
+
                INIT_LIST_HEAD(&list);
                if (ep->flags & OZ_F_EP_HAVE_STREAM)
                        oz_usb_stream_delete(port->hpd, ep->ep_num);
                ep = port->out_ep[ep_addr];
        if (ep) {
                struct list_head *e;
+
                list_for_each(e, &ep->urb_list) {
                        urbl = container_of(e, struct oz_urb_link, link);
                        if (urbl->urb == urb) {
        ep = port->out_ep[ep_ix];
        if (ep) {
                struct list_head *e;
+
                list_for_each(e, &ep->urb_list) {
                        urbl = container_of(e, struct oz_urb_link, link);
                        if (urbl->req_id == req_id) {
        if (status == 0) {
                int copy_len;
                int required_size = urb->transfer_buffer_length;
+
                if (required_size > total_size)
                        required_size = total_size;
                copy_len = required_size-offset;
                        struct usb_ctrlrequest *setup =
                                (struct usb_ctrlrequest *)urb->setup_packet;
                        unsigned wvalue = le16_to_cpu(setup->wValue);
+
                        if (oz_enqueue_ep_urb(port, 0, 0, urb, req_id))
                                err = -ENOMEM;
                        else if (oz_usb_get_desc_req(port->hpd, req_id,
        if ((rcode == 0) && (port->config_num > 0)) {
                struct usb_host_config *config;
                struct usb_host_interface *intf;
+
                oz_dbg(ON, "Set interface %d alt %d\n", if_num, alt);
                oz_clean_endpoints_for_interface(hcd, port, if_num);
                config = &urb->dev->config[port->config_num-1];
 
        } else {
                int copy_len;
+
                oz_dbg(ON, "VENDOR-CLASS - cnf\n");
                if (data_len) {
                        if (data_len <= urb->transfer_buffer_length)
                                        struct oz_urb_link, link);
                        struct urb *urb;
                        int copy_len;
+
                        list_del_init(&urbl->link);
                        spin_unlock_bh(&ozhcd->hcd_lock);
                        urb = urbl->urb;
        spin_lock_bh(&ozhcd->hcd_lock);
        list_for_each(e, &port->isoc_in_ep) {
                struct oz_endpoint *ep = ep_from_link(e);
+
                if (ep->flags & OZ_F_EP_BUFFERING) {
                        if (ep->buffered_units >= OZ_IN_BUFFERING_UNITS) {
                                ep->flags &= ~OZ_F_EP_BUFFERING;
                        int len = 0;
                        int copy_len;
                        int i;
+
                        if (ep->credit  < urb->number_of_packets)
                                break;
                        if (ep->buffered_units < urb->number_of_packets)
        if (ep) {
                struct list_head *e;
                struct list_head *n;
+
                spin_lock_bh(&ozhcd->hcd_lock);
                list_for_each_safe(e, n, &ep->urb_list) {
                        urbl = container_of(e, struct oz_urb_link, link);
        }
        if (!rc && !complete) {
                int data_len = 0;
+
                if ((setup->bRequestType & USB_DIR_IN) == 0)
                        data_len = wlength;
                urb->actual_length = data_len;
 {
        if (ozhcd) {
                struct oz_urb_link *urbl;
+
                while (!list_empty(&ozhcd->orphanage)) {
                        urbl = list_first_entry(&ozhcd->orphanage,
                                struct oz_urb_link, link);
        spin_lock_init(&ozhcd->hcd_lock);
        for (i = 0; i < OZ_NB_PORTS; i++) {
                struct oz_port *port = &ozhcd->ports[i];
+
                port->ozhcd = ozhcd;
                port->flags = 0;
                port->status = 0;