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move if_detach to the top of ieee80211_ifdetach to close various races

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Reviewed by:	jhb
This commit is contained in:
Sam Leffler 2009-06-02 18:55:27 +00:00
parent c9dd371765
commit 5c600a90de
1 changed files with 3 additions and 2 deletions
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5
sys/net80211/ieee80211.c
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@ -313,6 +313,8 @@ ieee80211_ifdetach(struct ieee80211com *ic)
struct ifnet *ifp = ic->ic_ifp;
struct ieee80211vap *vap;
if_detach(ifp);
while ((vap = TAILQ_FIRST(&ic->ic_vaps)) != NULL)
ieee80211_vap_destroy(vap);
ieee80211_waitfor_parent(ic);
@ -329,11 +331,10 @@ ieee80211_ifdetach(struct ieee80211com *ic)
ieee80211_crypto_detach(ic);
ieee80211_power_detach(ic);
ieee80211_node_detach(ic);
ifmedia_removeall(&ic->ic_media);
ifmedia_removeall(&ic->ic_media);
taskqueue_free(ic->ic_tq);
IEEE80211_LOCK_DESTROY(ic);
if_detach(ifp);
}
/*