linux-kernel - Re: [Cocci] [PATCH] scripts/coccinelle/iterators/use_after_iter.cocci: list iterator variable semantic patch

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Date:	Wed, 18 Jul 2012 16:07:28 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Julia Lawall <Julia.Lawall@...6.fr>
Cc:	Michal Marek <mmarek@...e.cz>,
	Gilles Muller <Gilles.Muller@...6.fr>,
	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org,
	cocci@...u.dk
Subject: Re: [Cocci] [PATCH]
 scripts/coccinelle/iterators/use_after_iter.cocci: list iterator variable
 semantic patch

On Mon, 2012-07-09 at 22:40 +0200, Julia Lawall wrote:
> From: Julia Lawall <Julia.Lawall@...6.fr>
> 
> If list_for_each_entry, etc complete a traversal of the list, the iterator
> variable ends up pointing to an address at an offset from the list head,
> and not a meaningful structure.  Thus this value should not be used after
> the end of the iterator.
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

Acked-by: Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>

-- 
Best Regards,
Artem Bityutskiy

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