linux-kernel - Re: [PATCH] pci/of: Don't crash when bridge parent is NULL.

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Message-ID: <20110816211109.13c80d34@jbarnes-e6510>
Date:	Tue, 16 Aug 2011 21:11:09 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	David Daney <david.daney@...ium.com>, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org, Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [PATCH] pci/of: Don't crash when bridge parent is NULL.

On Tue, 16 Aug 2011 14:16:18 -0500
Benjamin Herrenschmidt <benh@...nel.crashing.org> wrote:

> On Tue, 2011-08-16 at 11:24 -0700, David Daney wrote:
> > In pcibios_get_phb_of_node(), we will crash while booting if
> > bus->bridge->parent is NULL.
> > 
> > Check for this case and avoid dereferencing the NULL pointer.
> > 
> > Signed-off-by: David Daney <david.daney@...ium.com>
> 
> Acked-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> 
> Jesse or Grant, I'm travelling, can any of you send that to Linus
> asap ?

Sure looks fine.  I'll send it off tomorrow (now that I'm back :).

Thanks,
Jesse
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