if (klist_node_attached(&dev->knode_bus)) 
if (device_is_registered(dev)) 
int usb_driver_claim_interface(struct usb_driver *driver,				struct usb_interface *iface, void* priv){	struct device *dev = &iface->dev;	if (dev->driver)		return -EBUSY;	dev->driver = &driver->driver;	usb_set_intfdata(iface, priv);	iface->condition = USB_INTERFACE_BOUND;	/* if interface was already added, bind now; else let	 * the future device_add() bind it, bypassing probe()	 */	if (klist_node_attached(&dev->knode_bus))		device_bind_driver(dev);	return 0;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/d305ef5d2a4e77bfa66160513f4a7494126a506b/usb.c/buggy/drivers/usb/core/usb.c