netdev - Re: [PATCH v2.6.22-rc5] cxgb2: handle possible NULL pointer dereferencing

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Message-ID: <20070621120358.GK18863@kernel.dk>
Date:	Thu, 21 Jun 2007 14:04:00 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	pradeep singh <pradeep.rautela@...il.com>
Cc:	trivial@...nel.org, jgarzik@...ox.com, akpm@...ux-foundation.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH v2.6.22-rc5] cxgb2: handle possible NULL pointer dereferencing

On Thu, Jun 21 2007, pradeep singh wrote:
> Hi,
> 
> Chelsio's in kernel 10G driver does not checks the return value from
> t1_get_board_info() in cxgb2.c.
> t1_get_board_info may return a NULL and we still go on to dereference
> it in the for loop without checking for the NULL.
> 
> This patch fixes this.

Patch looks odd - bi is dereferenced a number of times after that loop
anyway, so I don't see your patch fixing much.

-- 
Jens Axboe

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