linux-kernel - Re: [PATCH] drm/sysfs: Do not drop device reference twice

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Message-ID: <20131030180640.GA13183@bwidawsk.net>
Date:	Wed, 30 Oct 2013 11:06:41 -0700
From:	Ben Widawsky <ben@...dawsk.net>
To:	Thierry Reding <thierry.reding@...il.com>
Cc:	David Airlie <airlied@...ux.ie>, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] drm/sysfs: Do not drop device reference twice

On Wed, Oct 30, 2013 at 11:59:05AM +0100, Thierry Reding wrote:
> device_unregister() already drops its reference to the struct device, so
> explicitly calling put_device() before device_unregister() can cause the
> device to have been freed before it can be unregistered.
> 
> Signed-off-by: Thierry Reding <treding@...dia.com>

Thanks for fixing this. It was driving me nuts.
Tested-by: Ben Widawsky <ben@...dawsk.net>

[snip]
-- 
Ben Widawsky, Intel Open Source Technology Center
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