pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
 
-       urb->dev      = data->udev;
-       urb->pipe     = pipe;
-       urb->context  = hdev;
-       urb->complete = btusb_isoc_complete;
-       urb->interval = data->isoc_rx_ep->bInterval;
+       usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
+                               hdev, data->isoc_rx_ep->bInterval);
 
        urb->transfer_flags  = URB_FREE_BUFFER | URB_ISO_ASAP;
-       urb->transfer_buffer = buf;
-       urb->transfer_buffer_length = size;
 
        __fill_isoc_descriptor(urb, size,
                        le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));