From 173a5a4c909789fcd57d00355d2237618a3824a4 Mon Sep 17 00:00:00 2001
From: Hanjun Guo <hanjun.guo@linaro.org>
Date: Fri, 31 May 2013 11:36:08 +0800
Subject: [PATCH] ACPI / processor: Fix potential NULL pointer dereference in
 acpi_processor_add()

In acpi_processor_add(), get_cpu_device() may return NULL in some cases
which is then passed to acpi_bind_one() and that will case a NULL
pointer dereference to occur.

Add a check to prevent that from happening.

[rjw: Changelog]
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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