diff options
| -rw-r--r-- | sys/dev/wpi/if_wpi.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/sys/dev/wpi/if_wpi.c b/sys/dev/wpi/if_wpi.c index 85812375..1797c2d 100644 --- a/sys/dev/wpi/if_wpi.c +++ b/sys/dev/wpi/if_wpi.c @@ -713,13 +713,14 @@ wpi_detach(device_t dev) { struct wpi_softc *sc = device_get_softc(dev); struct ifnet *ifp = sc->sc_ifp; - struct ieee80211com *ic = ifp->if_l2com; + struct ieee80211com *ic; int ac; - ieee80211_draintask(ic, &sc->sc_restarttask); - ieee80211_draintask(ic, &sc->sc_radiotask); - if (ifp != NULL) { + ic = ifp->if_l2com; + + ieee80211_draintask(ic, &sc->sc_restarttask); + ieee80211_draintask(ic, &sc->sc_radiotask); wpi_stop(sc); callout_drain(&sc->watchdog_to); callout_drain(&sc->calib_to); |
