From 4ebe36c94aed95de71a8ce6a6762226d31c938ee Mon Sep 17 00:00:00 2001 From: Viresh Kumar Date: Tue, 30 Apr 2019 11:35:52 +0530 Subject: [PATCH] cpufreq: Fix kobject memleak 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 Reviewed-by: Tobin C. Harding Signed-off-by: Rafael J. Wysocki --- drivers/cpufreq/cpufreq.c | 1 + drivers/cpufreq/cpufreq_governor.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 92604af..7ea217c 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -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; } diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index ffa9ade..9d1d9bf 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -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()) -- 2.7.4