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Don't panic on failure to attach if we fail before or during the
if_alloc() of ifp. This fixes the panic reported in the PR, but not the attach failure. PR: kern/139079 Tested by: Steven Noonan <steven uplinklabs.net> Reviewed by: thompsa Approved by: ed (mentor) MFC after: 2 weeks`
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=200530
@ -713,13 +713,14 @@ wpi_detach(device_t dev)
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{
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struct wpi_softc *sc = device_get_softc(dev);
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struct ifnet *ifp = sc->sc_ifp;
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struct ieee80211com *ic = ifp->if_l2com;
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struct ieee80211com *ic;
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int ac;
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ieee80211_draintask(ic, &sc->sc_restarttask);
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ieee80211_draintask(ic, &sc->sc_radiotask);
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if (ifp != NULL) {
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ic = ifp->if_l2com;
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ieee80211_draintask(ic, &sc->sc_restarttask);
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ieee80211_draintask(ic, &sc->sc_radiotask);
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wpi_stop(sc);
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callout_drain(&sc->watchdog_to);
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callout_drain(&sc->calib_to);
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