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Message-ID: <20100331004259.GA9977@gondor.apana.org.au>
Date:	Wed, 31 Mar 2010 08:43:00 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Timo Teräs <timo.teras@....fi>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 1/7] xfrm: remove policy lock when accessing
	policy->walk.dead

On Tue, Mar 30, 2010 at 06:36:37PM +0300, Timo Teräs wrote:
>
> I only added it because it's non-trivial to figure out if there's
> any code path that could race. It's a great help for reader of the
> code to see that it's correct even if it's not strictly needed.

No that's bad because you're misleading people into thinking
something that isn't allowed can happen.  It's much better to
add a comment instead.

> I will also include a patch to fix the missing 'dir' check in
> xfrm_user.

Thanks,
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