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SubjectRe: [PATCH] drm/exynos: fix ref count leak in mic_pre_enable
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Hi,

20. 6. 14. 오후 3:23에 Navid Emamdoost 이(가) 쓴 글:
> in mic_pre_enable, pm_runtime_get_sync is called which
> increments the counter even in case of failure, leading to incorrect
> ref count. In case of failure, decrement the ref count before returning.
>
> Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
> ---
> drivers/gpu/drm/exynos/exynos_drm_mic.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_mic.c b/drivers/gpu/drm/exynos/exynos_drm_mic.c
> index a86abc173605..69ff74c2ceb5 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_mic.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_mic.c
> @@ -270,7 +270,7 @@ static void mic_pre_enable(struct drm_bridge *bridge)
>
> ret = pm_runtime_get_sync(mic->dev);
> if (ret < 0)
> - goto unlock;
> + goto turn_off;

How about just calling pm_runtime_put_noidle()?

if (ret < 0) {
pm_runtime_put_noidle(mic->dev);
goto unlock;
}

Thanks,
Inki Dae

>
> mic_set_path(mic, 1);
>
>

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