int ret; 
struct klist_iter i; struct device_driver * drv; int error = 0; 
int bus_for_each_drv(struct bus_type * bus, struct device_driver * start,		     void * data, int (*fn)(struct device_driver *, void *)){	int ret;	down_read(&bus->subsys.rwsem);	ret = __bus_for_each_drv(bus, start, data, fn);	up_read(&bus->subsys.rwsem);	return ret;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/38fdac3cdce276554b4484a41f8ec2daf81cb2ff/bus.c/clean/drivers/base/bus.c