[ Upstream commit 9a4f26cc98d81b67ecc23b890c28e2df324e29f3 ]

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: Tobin C. Harding <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Rafael J. Wysocki <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Tobin C. Harding <[email protected]>
Cc: Vincent Guittot <[email protected]>
Cc: Viresh Kumar <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 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 a38a23f0b3f41..e917521a3ef9b 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1065,6 +1065,7 @@ 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 38d1a8216084c..32c9524a6ec54 100644
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -449,6 +449,8 @@ 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())
-- 
2.20.1



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