media: atomisp: ov2722: Call atomisp_gmin_remove_subdev() on probe failure

Call atomisp_gmin_remove_subdev() on probe failure to properly free
the GPIOs and other resources acquired by the gmin_camera_platform_data()
call earlier.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/staging/media/atomisp/i2c/atomisp-ov2722.c

@@ -994,6 +994,7 @@ static int ov2722_probe(struct i2c_client *client)
 	v4l2_ctrl_handler_free(&dev->ctrl_handler);
 
 out_free:
+	atomisp_gmin_remove_subdev(&dev->sd);
 	v4l2_device_unregister_subdev(&dev->sd);
 	kfree(dev);
 	return ret;