svn commit: r206398 - head/sys/net80211

[Rui Paulo]

Author: rpaulo
Date: Thu Apr  8 13:34:08 2010
New Revision: 206398
URL: http://svn.freebsd.org/changeset/base/206398

Log:
  Prevent foot-shooting in ieee80211_ratectl_node_deinit().
  
  MFC after:	1 month

Modified:
  head/sys/net80211/ieee80211_ratectl.h

Modified: head/sys/net80211/ieee80211_ratectl.h
==============================================================================
--- head/sys/net80211/ieee80211_ratectl.h	Thu Apr  8 12:07:40 2010	(r206397)
+++ head/sys/net80211/ieee80211_ratectl.h	Thu Apr  8 13:34:08 2010	(r206398)
@@ -85,6 +85,8 @@ ieee80211_ratectl_node_deinit(struct iee
 {
 	const struct ieee80211vap *vap = ni->ni_vap;
 
+	if (ni->ni_rctls == NULL)	/* ratectl not setup */
+		return;
 	vap->iv_rate->ir_node_deinit(ni);
 }