[CPUFREQ] Fix missing cpufreq_cpu_put() call in ->store
refactor to use gotos instead of explicit exit paths
Signed-off-by: Dave Jones <davej@redhat.com>
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 6602e1d..5a639b1 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -696,13 +696,13 @@
{
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);
@@ -710,8 +710,9 @@
ret = -EIO;
unlock_policy_rwsem_write(policy->cpu);
-
+fail:
cpufreq_cpu_put(policy);
+no_policy:
return ret;
}