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Subject[PATCH] media: exynos4-is: Fix runtime PM imbalance in isp_video_open
Date
pm_runtime_get_sync() increments the runtime PM usage counter even
when it returns an error code. Thus a pairing decrement is needed on
the error handling path to keep the counter balanced.

Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
---
drivers/media/platform/exynos4-is/fimc-isp-video.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/media/platform/exynos4-is/fimc-isp-video.c b/drivers/media/platform/exynos4-is/fimc-isp-video.c
index 15f443fa7208..612b9872afc8 100644
--- a/drivers/media/platform/exynos4-is/fimc-isp-video.c
+++ b/drivers/media/platform/exynos4-is/fimc-isp-video.c
@@ -293,6 +293,7 @@ static int isp_video_open(struct file *file)
if (!ret)
goto unlock;
rel_fh:
+ pm_runtime_put_noidle(&isp->pdev->dev);
v4l2_fh_release(file);
unlock:
mutex_unlock(&isp->video_lock);
--
2.17.1
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