#endif /* __GNUC__ */
-#define ok_(file, line) (kmtest_set_location(file, line), 0) ? 0 : kmtest_ok
+#define ok_(file, line) (kmtest_set_location(file, line), 0) ? (void)0 : kmtest_ok
#define ok ok_(__FILE__, __LINE__)
PDEVICE_OBJECT AttachDeviceObject;