On Tue, 21 Apr 2009, Johannes Berg wrote:

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[ thanks for the analysis Johannes ... involving also Oliver here; really
  seems like a false positive to me ]

I think he's right. But as a matter of principle I'd like to see 
flush_scheduled_work() avoided where possible, hence the patch.

I am not entirely sure that this is the same issue as the one from #13136 
of kernel.org bugzilla.
Anyway, for reference, the patch Oliver mentioned here is below.

Thanks. Unfortunately I have another problem that turns off lockdep so I
can't test this right now, sorry.

Are you able to reproduce the problem with current git (the expected fix 
is 89092ddd7a).

Thanks,

-- 
Jiri Kosina
SUSE Labs