diff options
Diffstat (limited to 'sys/dev/ipw/if_ipw.c')
| -rw-r--r-- | sys/dev/ipw/if_ipw.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/sys/dev/ipw/if_ipw.c b/sys/dev/ipw/if_ipw.c index 37c1c97..11322af 100644 --- a/sys/dev/ipw/if_ipw.c +++ b/sys/dev/ipw/if_ipw.c @@ -214,7 +214,7 @@ static int ipw_attach(device_t dev) { struct ipw_softc *sc = device_get_softc(dev); - struct ifnet *ifp = &sc->sc_arp.ac_if; + struct ifnet *ifp; struct ieee80211com *ic = &sc->sc_ic; uint16_t val; int error, i; @@ -263,7 +263,11 @@ ipw_attach(device_t dev) device_printf(dev, "could not allocate DMA resources\n"); goto fail; } - + ifp = sc->sc_ifp = if_alloc(IFT_ETHER); + if (ifp == NULL) { + device_printf(dev, "can not if_alloc()\n"); + goto fail; + } ifp->if_softc = sc; if_initname(ifp, device_get_name(dev), device_get_unit(dev)); ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; @@ -387,8 +391,11 @@ ipw_detach(device_t dev) IPW_UNLOCK(sc); - bpfdetach(ifp); + if (ifp != NULL) + bpfdetach(ifp); ieee80211_ifdetach(ic); + if (ifp != NULL) + if_free(ifp); ipw_release(sc); |
