From 456de893ea1a693dc266c5464a6d857bfed0875f Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Date: Thu, 31 Jan 2013 20:57:40 +0100
Subject: [PATCH] ACPI / scan: Clean up acpi_bus_get_parent()

Make acpi_bus_get_parent() more straightforward and remove an
unnecessary local variable ret from it.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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