IPW_LOCK_ASSERT(sc);
while (sc->txfree < 1 + IPW_MAX_NSEG &&
while (sc->txfree >= 1 + IPW_MAX_NSEG &&
(m = mbufq_dequeue(&sc->sc_snd)) != NULL) {
ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
if (ipw_tx_start(sc, m, ni) != 0) {