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authorViresh Kumar2015-02-19 17:02:05 +0530
committerRafael J. Wysocki2015-05-07 23:29:57 +0200
commit1b947c904c4831d787c1f17a6a6cd40c7144ba85 (patch)
tree35b6136bf6557945b3568440be37ddf70256bcaa /drivers
parent23faf0b7430f1f19cf033f4ee1588ab86a026b60 (diff)
cpufreq: Throw warning when we try to get policy for an invalid CPU
Simply returning here with an error is not enough. It shouldn't be allowed at all to try calling cpufreq_cpu_get() for an invalid CPU. Add a WARN here to make it clear that it wouldn't be acceptable at all. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Saravana Kannan <skannan@codeaurora.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/cpufreq/cpufreq.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index ee3d920ae207..48ca0764eb52 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -229,7 +229,7 @@ struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu)
struct cpufreq_policy *policy = NULL;
unsigned long flags;
- if (cpu >= nr_cpu_ids)
+ if (WARN_ON(cpu >= nr_cpu_ids))
return NULL;
if (!down_read_trylock(&cpufreq_rwsem))