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Re: [PATCH v3] mac80211: fix race condition caused by late addBA response

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On Mon, Nov 28, 2011 at 10:16, Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote:
> On Mon, 2011-11-28 at 08:35 +0200, Emmanuel Grumbach wrote:
>
>> > /*
>> >  * addba_resp_timer may have fired before we got here, and
>> >  * caused WANT_STOP to be set. If the stop then was already
>> >  * processed further, STOPPING might be set.
>> >  */
>> >
>> >
>> > Did you notice that I moved this code to after the dialog token check?
>> >
>>
>> Don't you think we should also send a delBA ? The AP thinks we will Tx
>> in Agg and basically we are now out of sync.
>
> We do, during the timer stop path, afaict.
>

Yes, but obviously the AP didn't hear it since it sent the addBA resp.
IMHO, we should send it again.
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