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cpufreq: Explain the kobject_put() in cpufreq_policy_alloc()

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It may not be particularly clear why the kobject_put() after
failing kobject_init_and_add() in cpufreq_policy_alloc() is not
redundant, so add a comment to explain that.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Rafael J. Wysocki 2019-05-10 12:35:53 +02:00
parent df24014abe
commit 2acb9bdae9
1 changed files with 5 additions and 0 deletions
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5
drivers/cpufreq/cpufreq.c
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@ -1134,6 +1134,11 @@ static struct cpufreq_policy *cpufreq_policy_alloc(unsigned int cpu)
cpufreq_global_kobject, "policy%u", cpu);
if (ret) {
pr_err("%s: failed to init policy->kobj: %d\n", __func__, ret);
/*
* The entire policy object will be freed below, but the extra
* memory allocated for the kobject name needs to be freed by
* releasing the kobject.
*/
kobject_put(&policy->kobj);
goto err_free_real_cpus;
}