ndis lor: hal preemption lock

[Paul B. Mahol]

On 7/4/09, Paul B. Mahol <onemda at gmail.com> wrote:
> On 6/18/09, Coleman Kane <cokane at freebsd.org> wrote:
>> I've committed this one as r194432.
>
> Ah, that one introduced regression.
> Switching ndisX up before creating vap will cause panic.
> Here is fix:
>
> --- /sys/dev/if_ndis/if_ndis.c  2009-06-28 09:15:54.000000000 +0000
> +++ if_ndis.c   2009-07-04 10:23:41.000000000 +0000
> @@ -2292,6 +2292,8 @@
>         ifp = sc->ifp;
>         ic = ifp->if_l2com;
>         vap = TAILQ_FIRST(&ic->ic_vaps);
> +       if (vap == NULL)
> +               return;
>
>         if (!NDIS_INITIALIZED(sc)) {
>                 DPRINTF(("%s: NDIS not initialized\n", __func__));

Bump!

Please commit.

-- 
Paul