return -EINVAL; 
return -EIO; 
deadline_attr_store(struct kobject *kobj, struct attribute *attr,		    const char *page, size_t length){	elevator_t *e = container_of(kobj, elevator_t, kobj);	struct deadline_fs_entry *entry = to_deadline(attr);	if (!entry->store)		return -EINVAL;	return entry->store(e->elevator_data, page, length);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/6c1852a08e444a2e66367352a99c0e93c8bf3e97/deadline-iosched.c/buggy/drivers/block/deadline-iosched.c