PERFORCE change 92925 for review

[Todd Miller]

http://perforce.freebsd.org/chv.cgi?CH=92925

Change 92925 by millert at millert_ibook on 2006/03/07 17:05:30

	Check for null space in mach_get_task_label_text() too.

Affected files ...

.. //depot/projects/trustedbsd/sedarwin7/src/darwin/xnu/osfmk/kern/security.c#8 edit

Differences ...

==== //depot/projects/trustedbsd/sedarwin7/src/darwin/xnu/osfmk/kern/security.c#8 (text+ko) ====

@@ -58,15 +58,15 @@
   
 	return (KERN_SUCCESS);
 }
+
 kern_return_t
-
 mach_get_task_label_text(
 	ipc_space_t	space,
 	labelstr_t	policies,
 	labelstr_t	outl)
 {
 
-	if (space == IS_NULL)
+	if (space == IS_NULL || space->is_task == NULL)
 		return KERN_INVALID_TASK;
 
 	tasklabel_lock(space->is_task);