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Date:	Mon, 19 Oct 2015 20:27:57 +1100
From:	Michael Ellerman <mpe@...erman.id.au>
To:	Christophe JAILLET <christophe.jaillet@...adoo.fr>,
	benh@...nel.crashing.org, paulus@...ba.org
Cc:	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH v2] powerpc/prom: Avoid reference to potentially freed
 memory

On Fri, 2015-10-16 at 23:38 +0200, Christophe JAILLET wrote:

> of_get_property() is used inside the loop, but then the reference to the
> node is dropped before dereferencing the prop pointer, which could by then
> point to junk if the node has been freed.
> 
> Instead use of_property_read_u32() to actually read the property
> value before dropping the reference.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
> v2: Fix missing '{'
> *** COMPILE-TESTED ONLY ***

Thanks, this looks good. I'll test it on real hardware.

Can you send me a follow up which does the of_get_next_parent() conversion?

cheers

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