From fdd320da84c63092fe6e155cb7b8d80f7f765fa9 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Date: Thu, 30 Jul 2015 01:45:07 +0200
Subject: [PATCH] cpufreq: Lock CPU online/offline in cpufreq_register_driver()

To protect against races with concurrent CPU online/offline, call
get_online_cpus() before registering a cpufreq driver.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
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