rfcomm_sock_proc_cleanup(); 
class_remove_file(&bt_class, &class_attr_rfcomm); 
void __exit rfcomm_cleanup_sockets(void){	rfcomm_sock_proc_cleanup();	if (bt_sock_unregister(BTPROTO_RFCOMM) < 0)		BT_ERR("RFCOMM socket layer unregistration failed");	proto_unregister(&rfcomm_proto);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/be9d122730c878baafe11e70d1436faac229f2fc/sock.c/clean/net/bluetooth/rfcomm/sock.c