/* usb_register_notify() must have been previously called for this function to work properly.  */
void usb_unregister_notify(struct notifier_block *nb)
/* usb_register_notify() must have been previously called for this function to work properly.  */
void usb_unregister_notify(struct notifier_block *nb)
{
	blocking_notifier_chain_unregister(&usb_notifier_list, nb);
}