Fix an obvious typo found while reading the source.
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@ -1,4 +1,4 @@
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/* $NetBSD: if_pcn.c,v 1.3 2001/08/28 15:22:30 thorpej Exp $ */
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/* $NetBSD: if_pcn.c,v 1.4 2001/09/02 13:17:54 enami Exp $ */
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/*
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* Copyright 2001 Wasabi Systems, Inc.
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@ -1775,7 +1775,7 @@ pcn_rxdrain(struct pcn_softc *sc)
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for (i = 0; i < PCN_NRXDESC; i++) {
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rxs = &sc->sc_rxsoft[i];
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if (rxs->rxs_mbuf == NULL) {
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if (rxs->rxs_mbuf != NULL) {
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bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap);
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m_freem(rxs->rxs_mbuf);
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rxs->rxs_mbuf = NULL;
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