From 5066841bd66cb713d8d786606b0a5ec879f00f34 Mon Sep 17 00:00:00 2001 From: Viresh Kumar Date: Wed, 24 Oct 2012 23:39:48 +0200 Subject: [PATCH] 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 Signed-off-by: Rafael J. Wysocki --- drivers/cpufreq/cpufreq.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 85df5387bc61..f552d5fe0f8f 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1511,12 +1511,14 @@ int __cpufreq_driver_getavg(struct cpufreq_policy *policy, unsigned int cpu) { 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; -- 2.39.5