media: dw9807-vcm: Fix probe error handling

v4l2_async_unregister_subdev() may not be called without
v4l2_async_register_subdev() being called first. Fix this.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/i2c/dw9807-vcm.c

@@ -218,7 +218,8 @@ static int dw9807_probe(struct i2c_client *client)
 	return 0;
 
 err_cleanup:
-	dw9807_subdev_cleanup(dw9807_dev);
+	v4l2_ctrl_handler_free(&dw9807_dev->ctrls_vcm);
+	media_entity_cleanup(&dw9807_dev->sd.entity);
 
 	return rval;
 }