cpufreq: return early from __cpufreq_driver_getavg()
There is no need to do cpufreq_get_cpu() and cpufreq_put_cpu() for drivers that
don't support getavg() routine.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 85df538..f552d5f 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1511,12 +1511,14 @@
{
int ret = 0;
+ if (!(cpu_online(cpu) && cpufreq_driver->getavg))
+ return 0;
+
policy = cpufreq_cpu_get(policy->cpu);
if (!policy)
return -EINVAL;
- if (cpu_online(cpu) && cpufreq_driver->getavg)
- ret = cpufreq_driver->getavg(policy, cpu);
+ ret = cpufreq_driver->getavg(policy, cpu);
cpufreq_cpu_put(policy);
return ret;