[PATCH V6 4/5] regulator: bq257xx: Add bq257xx boost regulator driver

[Dan Carpenter]

Hi Chris,

kernel test robot noticed the following build warnings:

https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Chris-Morgan/dt-bindings-mfd-ti-bq25703a-Add-TI-BQ25703A-Charger/20250813-054704
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git for-next
patch link:    https://lore.kernel.org/r/20250812214300.123129-5-macroalpha82%40gmail.com
patch subject: [PATCH V6 4/5] regulator: bq257xx: Add bq257xx boost regulator driver
config: m68k-randconfig-r073-20250814 (https://download.01.org/0day-ci/archive/20250814/202508141051.hwl2Erq6-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 15.1.0

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 at intel.com>
| Reported-by: Dan Carpenter <dan.carpenter at linaro.org>
| Closes: https://lore.kernel.org/r/202508141051.hwl2Erq6-lkp@intel.com/

smatch warnings:
drivers/regulator/bq257xx-regulator.c:161 bq257xx_regulator_probe() error: uninitialized symbol 'init_data'.

vim +/init_data +161 drivers/regulator/bq257xx-regulator.c

d6db7dce7cd965 Chris Morgan 2025-08-12  138  static int bq257xx_regulator_probe(struct platform_device *pdev)
d6db7dce7cd965 Chris Morgan 2025-08-12  139  {
d6db7dce7cd965 Chris Morgan 2025-08-12  140  	struct device *dev = &pdev->dev;
d6db7dce7cd965 Chris Morgan 2025-08-12  141  	struct bq257xx_device *bq = dev_get_drvdata(pdev->dev.parent);
d6db7dce7cd965 Chris Morgan 2025-08-12  142  	struct bq257xx_reg_data *pdata;
d6db7dce7cd965 Chris Morgan 2025-08-12  143  	struct device_node *np = dev->of_node;
d6db7dce7cd965 Chris Morgan 2025-08-12  144  	struct regulator_init_data *init_data;
d6db7dce7cd965 Chris Morgan 2025-08-12  145  	struct regulator_config cfg = {};
d6db7dce7cd965 Chris Morgan 2025-08-12  146  
d6db7dce7cd965 Chris Morgan 2025-08-12  147  	pdev->dev.of_node = pdev->dev.parent->of_node;
d6db7dce7cd965 Chris Morgan 2025-08-12  148  	pdev->dev.of_node_reused = true;
d6db7dce7cd965 Chris Morgan 2025-08-12  149  
d6db7dce7cd965 Chris Morgan 2025-08-12  150  	pdata = devm_kzalloc(&pdev->dev, sizeof(struct bq257xx_reg_data), GFP_KERNEL);
d6db7dce7cd965 Chris Morgan 2025-08-12  151  	if (!pdata)
d6db7dce7cd965 Chris Morgan 2025-08-12  152  		return -ENOMEM;
d6db7dce7cd965 Chris Morgan 2025-08-12  153  
d6db7dce7cd965 Chris Morgan 2025-08-12  154  	pdata->bq = bq;
d6db7dce7cd965 Chris Morgan 2025-08-12  155  	pdata->desc = bq25703_vbus_desc;
d6db7dce7cd965 Chris Morgan 2025-08-12  156  
d6db7dce7cd965 Chris Morgan 2025-08-12  157  	platform_set_drvdata(pdev, pdata);
d6db7dce7cd965 Chris Morgan 2025-08-12  158  	bq257xx_reg_dt_parse_gpio(pdev);
d6db7dce7cd965 Chris Morgan 2025-08-12  159  
d6db7dce7cd965 Chris Morgan 2025-08-12  160  	cfg.dev = &pdev->dev;
d6db7dce7cd965 Chris Morgan 2025-08-12 @161  	cfg.init_data = init_data;
                                                                ^^^^^^^^^
Uninitialized.

d6db7dce7cd965 Chris Morgan 2025-08-12  162  	cfg.driver_data = pdata;
d6db7dce7cd965 Chris Morgan 2025-08-12  163  	cfg.of_node = np;
d6db7dce7cd965 Chris Morgan 2025-08-12  164  	cfg.regmap = dev_get_regmap(pdev->dev.parent, NULL);
d6db7dce7cd965 Chris Morgan 2025-08-12  165  	if (!cfg.regmap)
d6db7dce7cd965 Chris Morgan 2025-08-12  166  		return -ENODEV;
d6db7dce7cd965 Chris Morgan 2025-08-12  167  
d6db7dce7cd965 Chris Morgan 2025-08-12  168  	pdata->bq257xx_reg = devm_regulator_register(dev, &pdata->desc, &cfg);
d6db7dce7cd965 Chris Morgan 2025-08-12  169  	if (IS_ERR(pdata->bq257xx_reg)) {
d6db7dce7cd965 Chris Morgan 2025-08-12  170  		return dev_err_probe(&pdev->dev, PTR_ERR(pdata->bq257xx_reg),
d6db7dce7cd965 Chris Morgan 2025-08-12  171  				     "error registering bq257xx regulator");
d6db7dce7cd965 Chris Morgan 2025-08-12  172  	}
d6db7dce7cd965 Chris Morgan 2025-08-12  173  
d6db7dce7cd965 Chris Morgan 2025-08-12  174  	return 0;
d6db7dce7cd965 Chris Morgan 2025-08-12  175  }

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