> > > BUG: unable to handle kernel NULL pointer dereference at (null)
> > > IP: [<ffffffffa02e869d>] ieee80211_ave_rssi+0xd/0x50 [mac80211]
> >
> > From my debug kernel, sdata is clearly NULL:
> >
> > (gdb) list *0xffffffff815b74f8
> > 0xffffffff815b74f8 is in ieee80211_ave_rssi (net/mac80211/util.c:1801).
> > 1796 int ieee80211_ave_rssi(struct ieee80211_vif *vif)
> > 1797 {
> > 1798 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
>
> I'll look into it, thanks.
We had a fix, but it seems I missed putting it into 3.5:
commit e19ebcab01cc130fa832764d453b263460ec3b91
Author: Ilan Peer <ilan.peer@xxxxxxxxx>
Date: Thu May 10 15:53:14 2012 +0300
iwlwifi: Check BSS ctx active before call mac80211
I'll ask Greg to include it in 3.5 stable.
johannes
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