kobject_hotplug(kobj, KOBJ_REMOVE); 
void kobject_unregister(struct kobject * kobj){	pr_debug("kobject %s: unregistering\n",kobject_name(kobj));	kobject_del(kobj);	kobject_put(kobj);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/18c3d5271b472c096adfc856e107c79f6fd30d7d/kobject.c/buggy/lib/kobject.c