PERFORCE change 143127 for review

[Hans Petter Selasky]

http://perforce.freebsd.org/chv.cgi?CH=143127

Change 143127 by hselasky at hselasky_laptop001 on 2008/06/08 19:03:27

	
	Fix panics when at USB WLAN device detach.
	
	Sam: Please import this patch into your tree.
	The system was crashing every time I unplugged
	the WLAN stick.

Affected files ...

.. //depot/projects/usb/src/sys/net80211/ieee80211_proto.c#8 edit

Differences ...

==== //depot/projects/usb/src/sys/net80211/ieee80211_proto.c#8 (text+ko) ====

@@ -241,6 +241,8 @@
 	FREEAPPIE(vap->iv_appie_assocresp);
 	FREEAPPIE(vap->iv_appie_wpa);
 #undef FREEAPPIE
+	callout_drain(&vap->iv_swbmiss);
+	callout_drain(&vap->iv_mgtsend);
 }
 
 /*