--- libaitsched/src/aitsched.c	2012/04/26 08:15:22	1.6.2.3
+++ libaitsched/src/aitsched.c	2012/05/03 15:05:09	1.6.2.4
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitsched.c,v 1.6.2.3 2012/04/26 08:15:22 misho Exp $
+* $Id: aitsched.c,v 1.6.2.4 2012/05/03 15:05:09 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -93,8 +93,7 @@ sched_SetErr(int eno, char *estr, ...)
 int
 schedRegisterHooks(sched_root_task_t * __restrict root)
 {
-	if (!root || (root->root_data.iov_base && root->root_data.iov_len))
-		return -1;
+	assert(root);
 
 	if (root->root_hooks.hook_root.fini)
 		root->root_hooks.hook_root.fini(root, NULL);