linux-kernel - Re: Null dereference errors in the kernel

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Message-ID: <20060718164023.GA29417@redhat.com>
Date:	Tue, 18 Jul 2006 12:40:23 -0400
From:	Dave Jones <davej@...hat.com>
To:	Thomas Dillig <tdillig@...nford.edu>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Null dereference errors in the kernel

On Mon, Jul 17, 2006 at 08:49:19PM -0700, Thomas Dillig wrote:

 > 144 drivers/char/agp/ati-agp.c
 > NULL dereference of variable "ati_generic_private.gatt_pages" in 
 > function call (drivers/char/agp/ati-agp.c:ati_free_gatt_pages).
 
I think this is a false positive.
It's a freeing function, the other half of ati_create_gatt_pages,
which always gets called beforehand, and if that fails, we should
never get to ati_free_gatt_pages.

		Dave

-- 
http://www.codemonkey.org.uk
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