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

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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@xxxxxxxxx>
---
 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;
 
 	mic_set_path(mic, 1);
 
-- 
2.17.1




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