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Re: [PATCH 3.11] genetlink: release cb_lock before requesting additional module

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From: Pravin Shelar <pshelar@xxxxxxxxxx>
Date: Fri, 26 Jul 2013 10:08:25 -0700

> On Fri, Jul 26, 2013 at 2:00 AM, Stanislaw Gruszka <sgruszka@xxxxxxxxxx> wrote:
>> Requesting external module with cb_lock taken can result in
>> the deadlock like showed below:
 ...
>> Problem start to happen after adding net-pf-16-proto-16-family-nl80211
>> alias name to cfg80211 module by below commit (though that commit
>> itself is perfectly fine):
>>
>> commit fb4e156886ce6e8309e912d8b370d192330d19d3
>> Author: Marcel Holtmann <marcel@xxxxxxxxxxxx>
>> Date:   Sun Apr 28 16:22:06 2013 -0700
>>
>>     nl80211: Add generic netlink module alias for cfg80211/nl80211
>>
>> Reported-and-tested-by: Jeff Layton <jlayton@xxxxxxxxxx>
>> Reported-by: Richard W.M. Jones <rjones@xxxxxxxxxx>
>> Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>
 ...
> This is genl issue and it was introduced by commit def3117493eafd
> (genl: Allow concurrent genl callbacks.).
> 
> Reviewed-by: Pravin B Shelar <pshelar@xxxxxxxxxx>

Applied and queued up for -stable, thanks.
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