Index: uspace/lib/c/generic/inet/addr.c
===================================================================
--- uspace/lib/c/generic/inet/addr.c	(revision 4fb794cf25be0f2828376721c586d849c3843c87)
+++ uspace/lib/c/generic/inet/addr.c	(revision 679ee84093527838b4f51339e86d1cd6c4ea1815)
@@ -167,5 +167,5 @@
 	case AF_INET6:
 		// FIXME TODO
-		break;
+		return ENOTSUP;
 	default:
 		return ENOTSUP;
@@ -203,5 +203,5 @@
 	case AF_INET6:
 		// FIXME TODO
-		break;
+		return ENOTSUP;
 	default:
 		return ENOTSUP;