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Re: [PATCH] mac80211: Fix race between tx path and ___ieee80211_stop_tx_ba_session

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On Wed, May 09, 2012 at 03:55:06PM +0200, Helmut Schaa wrote:
> On Wed, May 9, 2012 at 11:01 AM, Johannes Berg
> <johannes@xxxxxxxxxxxxxxxx> wrote:
> > On Wed, 2012-05-09 at 10:56 +0200, Helmut Schaa wrote:
> >> ___ieee80211_stop_tx_ba_session first deletes the tx aggregation session
> >> timer and afterwards clears HT_AGG_STATE_OPERATIONAL. Hence, there is a
> >> small time window where the tx path can call mod_timer after
> >> del_timer_sync.
> >>
> >> When ieee80211_start_tx_ba_session runs before the timer the call to
> >> init_timer will cause a BUG_ON:
> >
> > This may have been fixed by my other patch where I check the state?
> 
> I'll have to try but I'm not sure if these are two different issues ...

Did we get a final verdict on whether or not this patch is needed?

-- 
John W. Linville		Someday the world will need a hero, and you
linville@xxxxxxxxxxxxx			might be all we have.  Be ready.
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