team::parent is NULL in case of the kernel - Expander crashed reliably

when expanding something with it.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24047 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/kernel/team.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2007, Axel Dörfler, [email protected].
+ * Copyright 2002-2008, Axel Dörfler, [email protected].
  * Distributed under the terms of the MIT License.
  *
  * Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
@@ -1774,7 +1774,8 @@ update_orphaned_process_group(process_group* group, pid_t dyingProcess)
 	struct team* team = group->teams;
 	while (team != NULL) {
 		struct team* parent = team->parent;
-		if (team->id != dyingProcess && parent->id != dyingProcess
+		if (team->id != dyingProcess && parent != NULL
+			&& parent->id != dyingProcess
 			&& parent->group_id != group->id
 			&& parent->session_id == group->session->id) {
 			return false;