netdev - Re: [PATCH 4/4] PPPoE: race between interface going down and release()

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Message-ID: <20070313050835.GJ17712@florz.florz.dyndns.org>
Date:	Tue, 13 Mar 2007 06:08:36 +0100
From:	Florian Zumbiehl <florz@...rz.de>
To:	Michal Ostrowski <mostrows@...thlink.net>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 4/4] PPPoE: race between interface going down and release()

Hi,

> Attached below is my take on how to address this problem.  
> This addresses any concerns you may have had about checking po->pppoe_dev==NULL,
> because accesses to this field are now synchronized with pppoe_hash_lock.

That indeed looks like a much cleaner solution, so I'd certainly prefer
it over mine. Testing so far didn't turn up any problems, either.

> Once we can settle on a fix for this, I'll deal with the SID==0 issue 
> (trying to do that now would just cause patch conflicts).

Well, yeah, this stuff probably is more important than support
for SID 0 :-)

Florian
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