if (!(e = elevator_find(chosen_elevator))) 
if ((e = elevator_find(chosen_elevator))) elevator_put(e); else 
static void elevator_setup_default(void){	struct elevator_type *e;	/*	 * If default has not been set, use the compiled-in selection.	 */	if (!chosen_elevator[0])		strcpy(chosen_elevator, CONFIG_DEFAULT_IOSCHED); 	/* 	 * If the given scheduler is not available, fall back to no-op. 	 */ 	if (!(e = elevator_find(chosen_elevator))) 		strcpy(chosen_elevator, "noop");	elevator_put(e);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/cff3ba2204a0797b05150a4b2b7f40a55023d952/elevator.c/clean/block/elevator.c