cpufreq: stats: Remove redundant cpufreq_cpu_get() call

__cpufreq_stats_create_table always gets pass the valid and real policy
struct. So, there's no need to call cpufreq_cpu_get() to get the policy
again.

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Saravana Kannan <skannan@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index 5793e1447fb177f476f5f38ee117857444ba98c0..e4bd27f1a9d8cfc01de1d9416fdda8be0e10493f 100644 (file)
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -185,7 +185,6 @@ static int __cpufreq_stats_create_table(struct cpufreq_policy *policy,
 {
        unsigned int i, j, count = 0, ret = 0;
        struct cpufreq_stats *stat;
-       struct cpufreq_policy *current_policy;
        unsigned int alloc_size;
        unsigned int cpu = policy->cpu;
        if (per_cpu(cpufreq_stats_table, cpu))
@@ -194,13 +193,7 @@ static int __cpufreq_stats_create_table(struct cpufreq_policy *policy,
        if ((stat) == NULL)
                return -ENOMEM;
 
-       current_policy = cpufreq_cpu_get(cpu);
-       if (current_policy == NULL) {
-               ret = -EINVAL;
-               goto error_get_fail;
-       }
-
-       ret = sysfs_create_group(&current_policy->kobj, &stats_attr_group);
+       ret = sysfs_create_group(&policy->kobj, &stats_attr_group);
        if (ret)
                goto error_out;
 
@@ -243,11 +236,8 @@ static int __cpufreq_stats_create_table(struct cpufreq_policy *policy,
        stat->last_time = get_jiffies_64();
        stat->last_index = freq_table_get_index(stat, policy->cur);
        spin_unlock(&cpufreq_stats_lock);
-       cpufreq_cpu_put(current_policy);
        return 0;
 error_out:
-       cpufreq_cpu_put(current_policy);
-error_get_fail:
        kfree(stat);
        per_cpu(cpufreq_stats_table, cpu) = NULL;
        return ret;