linux-kernel - Re: [PATCH] device property: fix a potential oops

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Message-ID: <4978226.jACc6Brefu@vostro.rjw.lan>
Date:	Wed, 04 May 2016 23:11:21 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] device property: fix a potential oops

On Wednesday, April 27, 2016 02:04:20 PM Heikki Krogerus wrote:
> Since fwnode may hold ERR_PTR(-ENODEV) or it may point to
> NULL, the fwnode type checks is_of_node(), is_acpi_node()
> and is is_pset_node() need to consider it. Using
> IS_ERR_OR_NULL() to check it.
> 
> Fixes: 0d67e0fa1664 ("device property: fix for a case of use-after-free")
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>

Applied, thanks!