ieee80211_wme_param
if (len < sizeof (struct ieee80211_wme_param) - 2) {
qosinfo = frm[offsetof(struct ieee80211_wme_param, wme_qosInfo)];
frm += offsetof(struct ieee80211_wme_param, wme_acParams);
.wme_len = sizeof (struct ieee80211_wme_param) - 2,
sizeof (struct ieee80211_wme_param) : 0)
sizeof (struct ieee80211_wme_param) : 0)