static const char *dev_uevent_name(struct kset *kset, struct kobject *kobj)
{
	struct device *dev = kobj_to_dev(kobj);

	if (dev->bus)
		return dev->bus->name;
	if (dev->class)
		return dev->class->name;
	return NULL;
}
static const char *dev_uevent_name(struct kset *kset, struct kobject *kobj)
{
	struct device *dev = kobj_to_dev(kobj);

	if (dev->bus)
		return dev->bus->name;
	if (dev->class)
		return dev->class->name;
	return NULL;
}