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cpufreq: Fix kobject memleak

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Currently the error return path from kobject_init_and_add() is not
followed by a call to kobject_put() - which means we are leaking the
kobject.

Fix it by adding a call to kobject_put() in the error path of
kobject_init_and_add().

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Tobin C. Harding <tobin@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Viresh Kumar 2019-04-30 11:35:52 +05:30 committed by Rafael J. Wysocki
parent 0a0cf5988f
commit 4ebe36c94a
2 changed files with 3 additions and 0 deletions
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1
drivers/cpufreq/cpufreq.c
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@ -1133,6 +1133,7 @@ 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);
kobject_put(&policy->kobj);
goto err_free_real_cpus;
}

2
drivers/cpufreq/cpufreq_governor.c
View File

@ -459,6 +459,8 @@ int cpufreq_dbs_governor_init(struct cpufreq_policy *policy)
/* Failure, so roll back. */
pr_err("initialization failed (dbs_data kobject init error %d)\n", ret);
kobject_put(&dbs_data->attr_set.kobj);
policy->governor_data = NULL;
if (!have_governor_per_policy())