media: rkisp1: Disable runtime PM in probe error path

If the v4l2_device_register() call fails, runtime PM is left enabled.
Fix it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Dafna Hirschfeld <dafna@fastmail.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c

@@ -523,7 +523,7 @@ static int rkisp1_probe(struct platform_device *pdev)
 
 	ret = v4l2_device_register(rkisp1->dev, &rkisp1->v4l2_dev);
 	if (ret)
-		return ret;
+		goto err_pm_runtime_disable;
 
 	ret = media_device_register(&rkisp1->media_dev);
 	if (ret) {
@@ -543,6 +543,7 @@ err_unreg_media_dev:
 	media_device_unregister(&rkisp1->media_dev);
 err_unreg_v4l2_dev:
 	v4l2_device_unregister(&rkisp1->v4l2_dev);
+err_pm_runtime_disable:
 	pm_runtime_disable(&pdev->dev);
 	return ret;
 }