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sched/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: Tobin C. Harding <tobin@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tobin C. Harding <tobin@kernel.org>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Link: http://lkml.kernel.org/r/20190430001144.24890-1-tobin@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Tobin C. Harding 2019-04-30 10:11:44 +10:00 committed by Ingo Molnar
parent 37624b5854
commit 9a4f26cc98
1 changed files with 1 additions and 0 deletions
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1
kernel/sched/cpufreq_schedutil.c
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@ -771,6 +771,7 @@ static int sugov_init(struct cpufreq_policy *policy)
return 0;
fail:
kobject_put(&tunables->attr_set.kobj);
policy->governor_data = NULL;
sugov_tunables_free(tunables);