4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Rafael J. Wysocki" <[email protected]>


[ Upstream commit f451014692ae34e587b00de6745e16661cf734d8 ]

If new_policy is set in cpufreq_online(), the policy object has just
been created and its real_cpus mask has been zeroed on allocation,
and the driver's ->init() callback should not touch it.

It doesn't need to be cleared again, so don't do that.

Signed-off-by: Rafael J. Wysocki <[email protected]>
Acked-by: Viresh Kumar <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 drivers/cpufreq/cpufreq.c |    2 --
 1 file changed, 2 deletions(-)

--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1172,8 +1172,6 @@ static int cpufreq_online(unsigned int c
        if (new_policy) {
                /* related_cpus should at least include policy->cpus. */
                cpumask_copy(policy->related_cpus, policy->cpus);
-               /* Clear mask of registered CPUs */
-               cpumask_clear(policy->real_cpus);
        }
 
        /*


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