Date: Fri, 10 Jul 2009 02:19:57 +0000 (UTC) From: Sam Leffler <sam@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r195527 - head/sys/net80211 Message-ID: <200907100219.n6A2JvdC004313@svn.freebsd.org>
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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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