Read sc_if_flags after taking core lock
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@ -1,4 +1,4 @@
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/* $NetBSD: if_wm.c,v 1.417 2016/08/10 04:52:40 knakahara Exp $ */
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/* $NetBSD: if_wm.c,v 1.418 2016/10/11 15:48:17 skrll Exp $ */
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/*
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* Copyright (c) 2001, 2002, 2003, 2004 Wasabi Systems, Inc.
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@ -84,7 +84,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.417 2016/08/10 04:52:40 knakahara Exp $");
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__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.418 2016/10/11 15:48:17 skrll Exp $");
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#ifdef _KERNEL_OPT
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#include "opt_net_mpsafe.h"
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@ -2807,13 +2807,12 @@ wm_ifflags_cb(struct ethercom *ec)
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{
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struct ifnet *ifp = &ec->ec_if;
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struct wm_softc *sc = ifp->if_softc;
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int change = ifp->if_flags ^ sc->sc_if_flags;
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int rc = 0;
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WM_CORE_LOCK(sc);
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if (change != 0)
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sc->sc_if_flags = ifp->if_flags;
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int change = ifp->if_flags ^ sc->sc_if_flags;
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sc->sc_if_flags = ifp->if_flags;
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if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) {
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rc = ENETRESET;
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