From: Keith Packard <keithp@keithp.com>
Date: Thu, 6 Aug 2009 22:57:54 +0000 (-0700)
Subject: ACPI: don't free non-existent backlight in acpi video module
X-Git-Tag: v2.6.31-rc9~33^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e29b3ee3b005897fbdcfdd4b3190776e38739d70;p=pandora-kernel.git

ACPI: don't free non-existent backlight in acpi video module

acpi_video_put_one_device was attempting to remove sysfs entries and
unregister a backlight device without first checking that said backlight
device structure had been created.

Signed-off-by: Keith Packard <keithp@keithp.com>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
---

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