Thanks Pavel,
> > while (!skb_queue_empty(&local->pending[i])) {
> > struct sk_buff *skb = __skb_dequeue(&local->pending[i]);
> > + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
> > + struct ieee80211_sub_if_data *sdata;
> > +
> > + sdata = vif_to_sdata(info->control.vif);
> > + dev_hold(sdata->dev);
>
> I'm getting a panic at this point if I run hostapd on ath9k and a
> Windows client tries to authenticate with a wrong WPA key.
>
> Debugging shows that sdata->dev is NULL.
I suspect 'sdata' is already pointing to something bogus, since it's the
result of a container_of().
Can you try with the sanity checking patch I'm about to send?
johannes
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