klist_remove(&dev->knode_driver); 
klist_del(&dev->knode_driver); 
void device_release_driver(struct device * dev){	struct device_driver * drv = dev->driver;	if (!drv)		return;	sysfs_remove_link(&drv->kobj, kobject_name(&dev->kobj));	sysfs_remove_link(&dev->kobj, "driver");	klist_remove(&dev->knode_driver);	down(&dev->sem);	if (drv->remove)		drv->remove(dev);	dev->driver = NULL;	up(&dev->sem);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/0956af53afea290c5676c75249fc2c180d831375/dd.c/clean/drivers/base/dd.c