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authorViresh Kumar <viresh.kumar@linaro.org>2012-10-25 01:39:48 +0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2012-11-15 03:33:07 +0400
commit0676f7f2e7d2adec11f40320ca43a8897b8ef906 (patch)
treeac9237b4557865cf921e84d94f7c063161d103b0 /drivers
parent8636fd280e970696be62c8495a5aacb5f3b6237d (diff)
downloadlinux-0676f7f2e7d2adec11f40320ca43a8897b8ef906.tar.xz
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/cpufreq/cpufreq.c6
1 files 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;