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authorViresh Kumar <viresh.kumar@linaro.org>2019-04-30 11:35:52 +0530
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-04-30 10:54:23 +0200
commit4ebe36c94aed95de71a8ce6a6762226d31c938ee (patch)
treeaeeab4c5f504e0ad0df8f2d79c526f3b01eeb611 /drivers/cpufreq
parent0a0cf5988f52247259d05d6661820f6fef08a6da (diff)
downloadlinux-4ebe36c94aed95de71a8ce6a6762226d31c938ee.tar.bz2
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 <viresh.kumar@linaro.org> Reviewed-by: Tobin C. Harding <tobin@kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r--drivers/cpufreq/cpufreq.c1
-rw-r--r--drivers/cpufreq/cpufreq_governor.c2
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 92604afdeec4..7ea217c88c2e 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 ffa9adeaba31..9d1d9bf02710 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())