[PATCH] media: vsp1: Fix runtime PM imbalance in vsp1_probe

[Dinghao Liu]

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....@zju.edu.cn>
---
 drivers/media/platform/vsp1/vsp1_drv.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/vsp1/vsp1_drv.c 
b/drivers/media/platform/vsp1/vsp1_drv.c
index c650e45bb0ad..017a54f2fdd8 100644
--- a/drivers/media/platform/vsp1/vsp1_drv.c
+++ b/drivers/media/platform/vsp1/vsp1_drv.c
@@ -846,8 +846,10 @@ static int vsp1_probe(struct platform_device *pdev)
        pm_runtime_enable(&pdev->dev);
 
        ret = pm_runtime_get_sync(&pdev->dev);
-       if (ret < 0)
+       if (ret < 0) {
+               pm_runtime_put_sync(&pdev->dev);
                goto done;
+       }
 
        vsp1->version = vsp1_read(vsp1, VI6_IP_VERSION);
        pm_runtime_put_sync(&pdev->dev);
-- 
2.17.1