linux-kernel - Re: [patch] dma-debug: off by one issue

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Date:	Mon, 5 Apr 2010 16:02:15 +0200
From:	Joerg Roedel <joro@...tes.org>
To:	Dan Carpenter <error27@...il.com>,
	Joerg Roedel <joerg.roedel@....com>,
	Ingo Molnar <mingo@...e.hu>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	Shaun Ruffell <sruffell@...ium.com>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [patch] dma-debug: off by one issue

On Mon, Apr 05, 2010 at 03:53:30PM +0300, Dan Carpenter wrote:
> On Sat, Apr 03, 2010 at 10:47:17PM +0200, Joerg Roedel wrote:

> > The character is already reserved by the user-to-kernel copy earlier in
> > the function.
> 
> Yes, but the original code requires more code reading to audit. Let's 
> change the commit message to say that it's a clean up patch.

In this case its better to remove the

	current_driver_name[i] = 0;

line just after the loop.

	Joerg

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