From f6c09dd6a8f15f3093d0e4eb226ce6ac0ab1c991 Mon Sep 17 00:00:00 2001
From: Sam Leffler <sam@FreeBSD.org>
Date: Fri, 10 Jul 2009 02:19:57 +0000
Subject: correctly set the tailq ptr when removing the last item in the q

Approved by:	re (kensmith)
---
 sys/net80211/ieee80211_ageq.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/net80211/ieee80211_ageq.c b/sys/net80211/ieee80211_ageq.c
index b7aad74d7eac8..21745c8661e6e 100644
--- a/sys/net80211/ieee80211_ageq.c
+++ b/sys/net80211/ieee80211_ageq.c
@@ -211,7 +211,6 @@ ieee80211_ageq_remove(struct ieee80211_ageq *aq,
 		/*
 		 * Remove from forward list; tail pointer is harder.
 		 */
-		*prev = m->m_nextpkt;
 		if (aq->aq_tail == m) {
 			KASSERT(m->m_nextpkt == NULL, ("not last"));
 			if (aq->aq_head == m) {		/* list empty */
@@ -223,6 +222,8 @@ ieee80211_ageq_remove(struct ieee80211_ageq *aq,
 				    offsetof(struct mbuf, m_nextpkt));
 			}
 		}
+		*prev = m->m_nextpkt;
+
 		/* add to private list for return */
 		*phead = m;
 		phead = &m->m_nextpkt;
-- 
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