[gdamjan:v6.19/thinkpad-x9-14 6/6] drivers/media/i2c/imx471.c:1053:1: warning: unused label 'error_power_off'

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/gdamjan/linux v6.19/thinkpad-x9-14
head:   f7bddb11dc3d768f1af5f0a4eb2c6984689ab88b
commit: f7bddb11dc3d768f1af5f0a4eb2c6984689ab88b [6/6] Add IMX471 power management for correct behaviors
config: sparc64-allmodconfig (https://download.01.org/0day-ci/archive/20260125/202601250952.D6Ov8DPD-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260125/202601250952.D6Ov8DPD-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601250952.D6Ov8DPD-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/media/i2c/imx471.c:1053:1: warning: unused label 'error_power_off' [-Wunused-label]
    1053 | error_power_off:
         | ^~~~~~~~~~~~~~~~
   1 warning generated.


vim +/error_power_off +1053 drivers/media/i2c/imx471.c

   961	
   962	static int imx471_probe(struct i2c_client *client)
   963	{
   964		struct imx471 *imx471;
   965		bool full_power;
   966		int ret;
   967	
   968	
   969		/* Check HW config */
   970		ret = imx471_check_hwcfg(&client->dev);
   971		if (ret) {
   972			dev_err(&client->dev, "failed to check hwcfg: %d", ret);
   973			return ret;
   974		}
   975	
   976		imx471 = devm_kzalloc(&client->dev, sizeof(*imx471), GFP_KERNEL);
   977		if (!imx471)
   978			return -ENOMEM;
   979	
   980		mutex_init(&imx471->mutex);
   981	
   982		/* Initialize subdev */
   983		v4l2_i2c_subdev_init(&imx471->sd, client, &imx471_subdev_ops);
   984	
   985		ret = imx471_get_pm_resources(&client->dev);
   986		if (ret)
   987			return ret;
   988	
   989		full_power = acpi_dev_state_d0(&client->dev);
   990		if (full_power) {
   991			ret = imx471_power_on(&client->dev);
   992			if (ret) {
   993				dev_err(&client->dev, "failed to power on\n");
   994				return ret;
   995			}
   996	
   997			/* Check module identity */
   998			ret = imx471_identify_module(imx471);
   999			if (ret) {
  1000				dev_err(&client->dev, "failed to find sensor: %d", ret);
  1001				goto error_probe;
  1002			}
  1003		}
  1004	
  1005		/* Set default mode to max resolution */
  1006		imx471->cur_mode = &supported_modes[0];
  1007	
  1008		ret = imx471_init_controls(imx471);
  1009		if (ret) {
  1010			dev_err(&client->dev, "failed to init controls: %d", ret);
  1011			goto error_probe;
  1012		}
  1013	
  1014		/* Initialize subdev */
  1015		imx471->sd.internal_ops = &imx471_internal_ops;
  1016		imx471->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
  1017			V4L2_SUBDEV_FL_HAS_EVENTS;
  1018		imx471->sd.entity.ops = &imx471_subdev_entity_ops;
  1019		imx471->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
  1020	
  1021		/* Initialize source pad */
  1022		imx471->pad.flags = MEDIA_PAD_FL_SOURCE;
  1023		ret = media_entity_pads_init(&imx471->sd.entity, 1, &imx471->pad);
  1024		if (ret) {
  1025			dev_err(&client->dev, "failed to init entity pads: %d", ret);
  1026			goto error_handler_free;
  1027		}
  1028	
  1029		/* Set the device's state to active if it's in D0 state. */
  1030		if (full_power)
  1031			pm_runtime_set_active(&client->dev);
  1032		pm_runtime_enable(&client->dev);
  1033		pm_runtime_idle(&client->dev);
  1034	
  1035		ret = v4l2_async_register_subdev_sensor(&imx471->sd);
  1036		if (ret < 0)
  1037			goto error_media_entity_pm;
  1038	
  1039		dev_info(&client->dev, "imx471 probe successfully\n");
  1040		return 0;
  1041	
  1042	error_media_entity_pm:
  1043		pm_runtime_disable(&client->dev);
  1044		pm_runtime_set_suspended(&client->dev);
  1045		media_entity_cleanup(&imx471->sd.entity);
  1046	
  1047	error_handler_free:
  1048		v4l2_ctrl_handler_free(imx471->sd.ctrl_handler);
  1049	
  1050	error_probe:
  1051		mutex_destroy(&imx471->mutex);
  1052	
> 1053	error_power_off:
  1054		imx471_power_off(&client->dev);
  1055	
  1056		return ret;
  1057	}
  1058	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki