int i;
static void usb_remove_ep_files(struct kobject *kobj, struct usb_host_endpoint *endpoint){	int i;	sysfs_remove_group(kobj, endpoint->attr_group);	kfree(endpoint->attr_group);	kfree(endpoint->attr_name);	for (i = 0; i < endpoint->num_attrs; ++i)		kfree(endpoint->attrs[i]);	kfree(endpoint->attrs);}