svn commit: r195527 - head/sys/net80211
Sam Leffler
sam at FreeBSD.org
Fri Jul 10 02:19:58 UTC 2009
Author: sam
Date: Fri Jul 10 02:19:57 2009
New Revision: 195527
URL: http://svn.freebsd.org/changeset/base/195527
Log:
correctly set the tailq ptr when removing the last item in the q
Approved by: re (kensmith)
Modified:
head/sys/net80211/ieee80211_ageq.c
Modified: head/sys/net80211/ieee80211_ageq.c
==============================================================================
--- head/sys/net80211/ieee80211_ageq.c Fri Jul 10 02:15:59 2009 (r195526)
+++ head/sys/net80211/ieee80211_ageq.c Fri Jul 10 02:19:57 2009 (r195527)
@@ -211,7 +211,6 @@ ieee80211_ageq_remove(struct ieee80211_a
/*
* 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_a
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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