if (chosen_elevator[0] && (e = elevator_get(chosen_elevator))) { elevator_put(e); return; } 
if (!chosen_elevator[0]) strcpy(chosen_elevator, CONFIG_DEFAULT_IOSCHED); 
static void elevator_setup_default(void){	struct elevator_type *e;	/*	 * check if default is set and exists	 */	if (chosen_elevator[0] && (e = elevator_get(chosen_elevator))) {		elevator_put(e);		return;	}#if defined(CONFIG_IOSCHED_AS)	strcpy(chosen_elevator, "anticipatory");#elif defined(CONFIG_IOSCHED_DEADLINE)	strcpy(chosen_elevator, "deadline");#elif defined(CONFIG_IOSCHED_CFQ)	strcpy(chosen_elevator, "cfq");#elif defined(CONFIG_IOSCHED_NOOP)	strcpy(chosen_elevator, "noop");#else#error "You must build at least 1 IO scheduler into the kernel"#endif}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/131dda7f8965a6b794dcde1d84f3ba5951a4d641/elevator.c/buggy/drivers/block/elevator.c