[PATCH] media: platform: s3c-camif: Fix runtime PM imbalance in s3c_camif_open

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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.

Also, call pm_runtime_put() and v4l2_fh_release() when sensor_set_power()
returns an error code.

Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx>
---
 drivers/media/platform/s3c-camif/camif-capture.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/media/platform/s3c-camif/camif-capture.c b/drivers/media/platform/s3c-camif/camif-capture.c
index 9ca49af29542..d42d9cfaf674 100644
--- a/drivers/media/platform/s3c-camif/camif-capture.c
+++ b/drivers/media/platform/s3c-camif/camif-capture.c
@@ -552,11 +552,9 @@ static int s3c_camif_open(struct file *file)
 		goto err_pm;
 
 	ret = sensor_set_power(camif, 1);
-	if (!ret)
-		goto unlock;
 
-	pm_runtime_put(camif->dev);
 err_pm:
+	pm_runtime_put(camif->dev);
 	v4l2_fh_release(file);
 unlock:
 	mutex_unlock(&camif->lock);
-- 
2.17.1




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