#else /* if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND) */
-#if defined(CONFIG_ARM_UNWIND)
+#if defined(CONFIG_ARM_UNWIND) && !defined(CONFIG_ERROR_ON_WARNING)
#warning "TODO: return_address should use unwind tables"
#endif
-void *return_address(unsigned int level)
-{
- return NULL;
-}
-
#endif /* if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND) / else */
EXPORT_SYMBOL_GPL(return_address);