Re: Null dereference errors in the kernel

From: Dave Jones
Date: Tue Jul 18 2006 - 12:39:00 EST

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.


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