cpufreq: Initialize policy before making it available for others to use

[mirror_ubuntu-zesty-kernel.git] / drivers / cpufreq / cpufreq.c

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index c4cacabbbb557db4e3aaad0ed736ea6f47d268ae..d6622689d0007ec50bbc3ba54f21860cec3dc791 100644 (file)
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1109,6 +1109,20 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif,
                goto err_set_policy_cpu;
        }
 
+       /* related cpus should atleast have policy->cpus */
+       cpumask_or(policy->related_cpus, policy->related_cpus, policy->cpus);
+
+       /*
+        * affected cpus must always be the one, which are online. We aren't
+        * managing offline cpus here.
+        */
+       cpumask_and(policy->cpus, policy->cpus, cpu_online_mask);
+
+       if (!frozen) {
+               policy->user_policy.min = policy->min;
+               policy->user_policy.max = policy->max;
+       }
+
        write_lock_irqsave(&cpufreq_driver_lock, flags);
        for_each_cpu(j, policy->cpus)
                per_cpu(cpufreq_cpu_data, j) = policy;
@@ -1162,20 +1176,6 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif,
                }
        }
 
-       /* related cpus should atleast have policy->cpus */
-       cpumask_or(policy->related_cpus, policy->related_cpus, policy->cpus);
-
-       /*
-        * affected cpus must always be the one, which are online. We aren't
-        * managing offline cpus here.
-        */
-       cpumask_and(policy->cpus, policy->cpus, cpu_online_mask);
-
-       if (!frozen) {
-               policy->user_policy.min = policy->min;
-               policy->user_policy.max = policy->max;
-       }
-
        blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
                                     CPUFREQ_START, policy);