media: rcar-vin: Fix error paths for rvin_mc_init()

The error paths of rvin_mc_init() do not clean up properly, fix this.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/rcar-vin/rcar-core.c

@@ -946,17 +946,23 @@ static int rvin_mc_init(struct rvin_dev *vin)
 	if (ret)
 		return ret;
 
+	ret = rvin_create_controls(vin, NULL);
+	if (ret < 0)
+		return ret;
+
 	ret = rvin_group_get(vin);
 	if (ret)
-		return ret;
+		goto err_controls;
 
 	ret = rvin_mc_parse_of_graph(vin);
 	if (ret)
-		rvin_group_put(vin);
+		goto err_group;
 
-	ret = rvin_create_controls(vin, NULL);
-	if (ret < 0)
-		return ret;
+	return 0;
+err_group:
+	rvin_group_put(vin);
+err_controls:
+	rvin_free_controls(vin);
 
 	return ret;
 }