On 01/03/2014 07:26 AM, Dmitry Torokhov wrote
Unlocking in different branches is not the best practice IMO, I'd
recommend doing:

        mutex_lock(&cpufreq_governor_lock);

        if (!policy->governor_enabled)
                goto out_unlock;

        ...

out_unlock:
        mutex_unlock(&cpufreq_governor_lock);

Thanks!

OK. I have pushed PATCH v3. Please review again.

Besides, I use checkpatch.pl to check this patch, and find there is warning. 
PATCH v3 also move cpufreq_governor_lock declaration to cpufreq.h.

WARNING: externs should be avoided in .c files
#106: FILE: drivers/cpufreq/cpufreq_governor.c:25:
+extern struct mutex cpufreq_governor_lock;

Thanks!

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