diff --git a/lib/devres.c b/lib/devres.c
index 7c0e953..78777ae 100644
--- a/lib/devres.c
+++ b/lib/devres.c
@@ -348,5 +348,5 @@
 	}
 }
 EXPORT_SYMBOL(pcim_iounmap_regions);
-#endif
-#endif
+#endif /* CONFIG_PCI */
+#endif /* CONFIG_HAS_IOPORT */