From 1d0fcef732832432aee47cb75bf4a2cb3107be64 Mon Sep 17 00:00:00 2001
From: Jiang Liu <jiang.liu@linux.intel.com>
Date: Thu, 19 Dec 2013 20:38:13 +0800
Subject: [PATCH] ACPI / PCI: replace open-coded _DSM code with helper
 functions

Use helper functions to simplify _DSM related code in pci-label driver.
Also enforce more strict checks on objects returned by _DSM method.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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