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Date:	Tue, 27 Oct 2009 11:40:48 +0000
From:	Alan Cox <>
To:	Julia Lawall <>
Subject: Re: [PATCH 4/14] drivers/message: Move dereference after NULL test

On Sat, 17 Oct 2009 08:34:18 +0200 (CEST)
Julia Lawall <> wrote:

> From: Julia Lawall <>
> If the NULL test on dev->i2o_dev or i2o_dev is needed, then the dereference
> should be after the NULL test.
> A simplified version of the semantic match that detects this problem is as
> follows (

Real bug - actually this needs proper locking but I doubt anyone uses I2O
hardware any. Should go in anyway

> Signed-off-by: Julia Lawall <>
Signed-off-by: Alan Cox <>
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