From ab562eef00a00546f1ebfa2465079bb10fe2b8e6 Mon Sep 17 00:00:00 2001
From: Sam Leffler <sam@FreeBSD.org>
Date: Tue, 18 Sep 2007 21:54:27 +0000
Subject: [PATCH] invalidate ic_prevchan when constructing a new channel list

Approved by:	re (blanket wireless)
---
 sys/net80211/ieee80211.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/net80211/ieee80211.c b/sys/net80211/ieee80211.c
index 0a10702299f..33b83d591f2 100644
--- a/sys/net80211/ieee80211.c
+++ b/sys/net80211/ieee80211.c
@@ -188,6 +188,7 @@ ieee80211_chan_init(struct ieee80211com *ic)
 
 	ic->ic_des_chan = IEEE80211_CHAN_ANYC;	/* any channel is ok */
 	ic->ic_bsschan = IEEE80211_CHAN_ANYC;
+	ic->ic_prevchan = NULL;
 	/* arbitrarily pick the first channel */
 	ic->ic_curchan = &ic->ic_channels[0];