usbdev_nb        2786 drivers/usb/core/devio.c static struct notifier_block usbdev_nb = {
usbdev_nb        2809 drivers/usb/core/devio.c 	usb_register_notify(&usbdev_nb);
usbdev_nb        2820 drivers/usb/core/devio.c 	usb_unregister_notify(&usbdev_nb);