[CPUFREQ] Fix missing cpufreq_cpu_put() call in ->store

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

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 89a29cd9378379a00f80e6899eadbac949f03fde..5a639b173d54eab4c29d83596751be05f8f9c58c 100644 (file)
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -671,13 +671,13 @@ static ssize_t show(struct kobject * kobj, struct attribute * attr ,char * buf)
 {
        struct cpufreq_policy * policy = to_policy(kobj);
        struct freq_attr * fattr = to_attr(attr);
-       ssize_t ret;
+       ssize_t ret = -EINVAL;
        policy = cpufreq_cpu_get(policy->cpu);
        if (!policy)
-               return -EINVAL;
+               goto no_policy;
 
        if (lock_policy_rwsem_read(policy->cpu) < 0)
-               return -EINVAL;
+               goto fail;
 
        if (fattr->show)
                ret = fattr->show(policy, buf);
@@ -685,8 +685,9 @@ static ssize_t show(struct kobject * kobj, struct attribute * attr ,char * buf)
                ret = -EIO;
 
        unlock_policy_rwsem_read(policy->cpu);
-
+fail:
        cpufreq_cpu_put(policy);
+no_policy:
        return ret;
 }
 
@@ -695,13 +696,13 @@ static ssize_t store(struct kobject * kobj, struct attribute * attr,
 {
        struct cpufreq_policy * policy = to_policy(kobj);
        struct freq_attr * fattr = to_attr(attr);
-       ssize_t ret;
+       ssize_t ret = -EINVAL;
        policy = cpufreq_cpu_get(policy->cpu);
        if (!policy)
-               return -EINVAL;
+               goto no_policy;
 
        if (lock_policy_rwsem_write(policy->cpu) < 0)
-               return -EINVAL;
+               goto fail;
 
        if (fattr->store)
                ret = fattr->store(policy, buf, count);
@@ -709,8 +710,9 @@ static ssize_t store(struct kobject * kobj, struct attribute * attr,
                ret = -EIO;
 
        unlock_policy_rwsem_write(policy->cpu);
-
+fail:
        cpufreq_cpu_put(policy);
+no_policy:
        return ret;
 }