--- arch/i386/kernel/sys_i386.c	2003-04-02 12:30:51.000000000 -0800
+++ arch/i386/kernel/sys_i386.c.ud	2003-04-02 12:31:12.000000000 -0800
@@ -204,7 +204,7 @@
 		return sys_shmctl (first, second,
 				   (struct shmid_ds *) ptr);
 	default:
-		return -EINVAL;
+		return -ENOSYS;
 	}
 }