812 	struct urb *current_urb = NULL;  in next_urb()  local
817 		current_urb = endpoint->tx_urb;  in next_urb()
820 		current_urb =  in next_urb()
825 	space = current_urb->buffer_length - current_urb->actual_length;  in next_urb()
827 		return current_urb;  in next_urb()
830 		current_urb = first_urb_detached (&endpoint->done);  in next_urb()
831 		if (!current_urb) {  in next_urb()
832 			current_urb = usbd_alloc_urb (device, endpoint);  in next_urb()
835 		urb_append (&endpoint->tx, current_urb);  in next_urb()
838 	return current_urb;  in next_urb()
849 	struct urb *current_urb = NULL;  in write_buffer()  local
851 	current_urb = next_urb (device_instance, endpoint);  in write_buffer()
853 	if (!current_urb) {  in write_buffer()
861 	if(endpoint->sent < current_urb->actual_length){  in write_buffer()
880 			dest = (char*)current_urb->buffer +  in write_buffer()
881 				current_urb->actual_length;  in write_buffer()
884 				current_urb->buffer_length -  in write_buffer()
885 				current_urb->actual_length;  in write_buffer()
893 			current_urb->actual_length += popped;  in write_buffer()