netdev - Re: [PATCH] net-2.6 : V2 - fix dev_get_valid

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Date:	Fri, 21 May 2010 15:10:13 +0200
From:	Daniel Lezcano <daniel.lezcano@...e.fr>
To:	opurdila@...acom.com
CC:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH] net-2.6 : V2 - fix dev_get_valid_name

On 05/19/2010 10:12 PM, Daniel Lezcano wrote:
> the commit:
>
> commit d90310243fd750240755e217c5faa13e24f41536
> Author: Octavian Purdila<opurdila@...acom.com>
> Date:   Wed Nov 18 02:36:59 2009 +0000
>
>      net: device name allocation cleanups
>
> introduced a bug when there is a hash collision making impossible
> to rename a device with eth%d. This bug is very hard to reproduce
> and appears rarely.
>
> The problem is coming from we don't pass a temporary buffer to
> __dev_alloc_name but 'dev->name' which is modified by the function.
>
> A detailed explanation is here:
>
> http://marc.info/?l=linux-netdev&m=127417784011987&w=2
>
> Changelog:
>   V2 : replaced strings comparison by pointers comparison
>
> Signed-off-by: Daniel Lezcano<daniel.lezcano@...e.fr>
> ---
>    

Octavian, are you ok with this patch ?
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