correctly set the tailq ptr when removing the last item in the q
Approved by: re (kensmith)
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f6c09dd6a8
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=195527
@ -211,7 +211,6 @@ ieee80211_ageq_remove(struct ieee80211_ageq *aq,
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/*
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* Remove from forward list; tail pointer is harder.
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*/
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*prev = m->m_nextpkt;
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if (aq->aq_tail == m) {
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KASSERT(m->m_nextpkt == NULL, ("not last"));
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if (aq->aq_head == m) { /* list empty */
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@ -223,6 +222,8 @@ ieee80211_ageq_remove(struct ieee80211_ageq *aq,
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offsetof(struct mbuf, m_nextpkt));
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}
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}
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*prev = m->m_nextpkt;
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/* add to private list for return */
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*phead = m;
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phead = &m->m_nextpkt;
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