PERFORCE change 145323 for review

[Weongyo Jeong]

http://perforce.freebsd.org/chv.cgi?CH=145323

Change 145323 by weongyo at weongyo_ws on 2008/07/16 12:09:23

	need a thread lock before calling sched_prio().  If not, it will cause
	a panic.

Affected files ...

.. //depot/projects/ndisusb/sys/compat/ndis/subr_ntoskrnl.c#5 edit

Differences ...

==== //depot/projects/ndisusb/sys/compat/ndis/subr_ntoskrnl.c#5 (text+ko) ====

@@ -4311,12 +4311,14 @@
 	else
 		old = LOW_REALTIME_PRIORITY;
 
+	thread_lock(td);
 	if (pri == HIGH_PRIORITY)
 		sched_prio(td, PRI_MIN_KERN);
 	if (pri == LOW_REALTIME_PRIORITY)
 		sched_prio(td, PRI_MIN_KERN + (PRI_MAX_KERN - PRI_MIN_KERN) / 2);
 	if (pri == LOW_PRIORITY)
 		sched_prio(td, PRI_MAX_KERN);
+	thread_unlock(td);
 
 	return old;
 }