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PM / devfreq: Fix leak in devfreq_dev_release()

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commit 5693d077595de721f9ddbf9d37f40e5409707dfe upstream.

srcu_init_notifier_head() allocates resources that need to be released
with a srcu_cleanup_notifier_head() call.

Reported by kmemleak.

Fixes: 0fe3a66410a3 ("PM / devfreq: Add new DEVFREQ_TRANSITION_NOTIFIER notifier")
Cc: <stable@vger.kernel.org>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Boris Brezillon 2023-08-09 13:31:08 +02:00 committed by Greg Kroah-Hartman
parent c2ad60ed38
commit 29811f4b82
1 changed files with 1 additions and 0 deletions
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drivers/devfreq/devfreq.c
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@ -595,6 +595,7 @@ static void devfreq_dev_release(struct device *dev)
devfreq->profile->exit(devfreq->dev.parent);
mutex_destroy(&devfreq->lock);
srcu_cleanup_notifier_head(&devfreq->transition_notifier_list);
kfree(devfreq);
}