linux-kernel - Re: [PATCH] Be a bit defensive in quirk_nvidia_ck804() so we don't risk dereferencing a NULL pdev.

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Message-ID: <20061201235541.7ff63a13@localhost.localdomain>
Date:	Fri, 1 Dec 2006 23:55:41 +0000
From:	Alan <alan@...rguk.ukuu.org.uk>
To:	Jesper Juhl <jesper.juhl@...il.com>
Cc:	linux-kernel@...r.kernel.org, Martin Mares <mj@....cz>
Subject: Re: [PATCH] Be a bit defensive in quirk_nvidia_ck804() so we don't
 risk dereferencing a NULL pdev.

On Sat, 2 Dec 2006 00:21:56 +0100
Jesper Juhl <jesper.juhl@...il.com> wrote:

> pci_get_slot() may return NULL if nothing was found. 
> quirk_nvidia_ck804() does not check the value returned from pci_get_slot(),
> so it may end up causing a NULL pointer deref.
> 
> 
> Signed-off-by: Jesper Juhl <jesper.juhl@...il.com>

I don't think its a physically possible case but it does no harm and
it'll kill boot if it happens

Acked-by: Alan Cox <alan@...hat.com>
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