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 <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
ashr · Jan 23, 2015 · bc68b7d · bc68b7d
1 parent d92d50a
commit bc68b7d
Showing 1 changed file with 3 additions and 3 deletions.
diff --git 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 -