cpufreq: update driver_data->flags only if we are registering driver

We should first check if a cpufreq driver is already registered or not
before updating driver_data->flags.

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

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 420f270a0475..0247da2a3350 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -2440,9 +2440,6 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
 
         pr_debug("trying to register driver %s\n", driver_data->name);
 
-        if (driver_data->setpolicy)
-                driver_data->flags |= CPUFREQ_CONST_LOOPS;
-
         write_lock_irqsave(&cpufreq_driver_lock, flags);
         if (cpufreq_driver) {
                 write_unlock_irqrestore(&cpufreq_driver_lock, flags);
@@ -2451,6 +2448,9 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
         cpufreq_driver = driver_data;
         write_unlock_irqrestore(&cpufreq_driver_lock, flags);
 
+        if (driver_data->setpolicy)
+                driver_data->flags |= CPUFREQ_CONST_LOOPS;
+
         if (cpufreq_boost_supported()) {
                 /*
                  * Check if driver provides function to enable boost -