static char *class_hotplug_name(struct kset *kset, struct kobject *kobj)
static const char *class_hotplug_name(struct kset *kset, struct kobject *kobj)
static char *class_hotplug_name(struct kset *kset, struct kobject *kobj){	struct class_device *class_dev = to_class_dev(kobj);	return class_dev->class->name;}