249 	struct notifier_block		nb;  member
1409 static int rt9455_usb_event(struct notifier_block *nb,  in rt9455_usb_event()  argument
1412 	struct rt9455_info *info = container_of(nb, struct rt9455_info, nb);  in rt9455_usb_event()
1651 		info->nb.notifier_call = rt9455_usb_event;  in rt9455_probe()
1652 		ret = usb_register_notifier(info->usb_phy, &info->nb);  in rt9455_probe()
1659 			info->nb.notifier_call = NULL;  in rt9455_probe()
1702 	if (info->nb.notifier_call)  {  in rt9455_probe()
1703 		usb_unregister_notifier(info->usb_phy, &info->nb);  in rt9455_probe()
1704 		info->nb.notifier_call = NULL;  in rt9455_probe()
1720 	if (info->nb.notifier_call)  in rt9455_remove()
1721 		usb_unregister_notifier(info->usb_phy, &info->nb);  in rt9455_remove()