IEEE80211_STA_NULLFUNC_ACKED
!(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)) {
(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)) {
ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
IEEE80211_STA_NULLFUNC_ACKED;
ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;