media: rcar-csi2: Disable runtime_pm in probe error

Disable pm_runtime in the probe() function error path.

Fixes: 769afd21 ("media: rcar-csi2: add Renesas R-Car MIPI CSI-2 receiver driver")
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Tested-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20240617161135.130719-3-jacopo.mondi@ideasonboard.comSigned-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

drivers/media/platform/renesas/rcar-csi2.c

@@ -1914,12 +1914,14 @@ static int rcsi2_probe(struct platform_device *pdev)
 
 	ret = v4l2_async_register_subdev(&priv->subdev);
 	if (ret < 0)
-		goto error_async;
+		goto error_pm_runtime;
 
 	dev_info(priv->dev, "%d lanes found\n", priv->lanes);
 
 	return 0;
 
+error_pm_runtime:
+	pm_runtime_disable(&pdev->dev);
 error_async:
 	v4l2_async_nf_unregister(&priv->notifier);
 	v4l2_async_nf_cleanup(&priv->notifier);