linux-kernel - Re: [patch] eicon: make buffer larger

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Message-ID: <alpine.DEB.2.00.1010061443480.30674@justus.melware.de>
Date:	Wed, 6 Oct 2010 14:49:52 +0200 (CEST)
From:	Armin Schindler <armin@...ware.de>
To:	Dan Carpenter <error27@...il.com>
cc:	Karsten Keil <isdn@...ux-pingi.de>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [patch] eicon: make buffer larger

On Wed, 6 Oct 2010, Dan Carpenter wrote:
> On Wed, Oct 06, 2010 at 10:44:47AM +0200, Armin Schindler wrote:
>>>   927    strcpy (clients[id].drvName,     tmp);
>>>   928    strcpy (clients[id].Dbg.drvName, tmp);
>>>                               ^
>>>                    this buffer is only 16 chars
>>
>> Now I understand. You are right. So the fix would be to change these
>> strcpy() to e.g. strncpy() or similar.
>>
>
> We need more than 16 characters to store the information.  What is the
> problem with just making the buffer larger?

The larger buffer is not really needed. Later versions of the driver will 
use the strcpy/memcpy with checked size anyway.
I just want to avoid a change in the debug structure which is used in more than one module/tool.

But it shouldn't be a real problem.

Armin


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