1 files changed, 9 insertions, 2 deletions

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 34999fc3216f..cf016584b4ac 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -694,8 +694,13 @@ static ssize_t store(struct kobject *kobj, struct attribute *attr,
         struct freq_attr *fattr = to_attr(attr);
         ssize_t ret = -EINVAL;
 
+        get_online_cpus();
+
+        if (!cpu_online(policy->cpu))
+                goto unlock;
+
         if (!down_read_trylock(&cpufreq_rwsem))
-                goto exit;
+                goto unlock;
 
         if (lock_policy_rwsem_write(policy->cpu) < 0)
                 goto up_read;
@@ -709,7 +714,9 @@ static ssize_t store(struct kobject *kobj, struct attribute *attr,
 
 up_read:
         up_read(&cpufreq_rwsem);
-exit:
+unlock:
+        put_online_cpus();
+
         return ret;
 }