+ if (object_class_is_abstract(klass)) {
+ error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "name",
+ "non-abstract device type");
+ return NULL;
+ }
+
+ if (DEVICE_CLASS(klass)->cannot_destroy_with_object_finalize_yet) {
+ error_setg(errp, "Can't list properties of device '%s'", typename);
+ return NULL;
+ }
+