- * zero), and complete fields.
- * The URB_ASYNC_UNLINK transfer flag affects later invocations of
- * the usb_unlink_urb() routine. Note: Failure to set URB_ASYNC_UNLINK
- * with usb_unlink_urb() is deprecated. For synchronous unlinks use
- * usb_kill_urb() instead.
- *
- * All URBs must also initialize