Hi ChiaEn, https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/ChiaEn-Wu/iio-adc-mt6370-Fix-ibus-and-ibat-scaling-value-of-some-specific-vendor-ID-chips/20230324-221545 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg patch link: https://lore.kernel.org/r/1679667167-16261-1-git-send-email-chiaen_wu%40richtek.com patch subject: [PATCH] iio: adc: mt6370: Fix ibus and ibat scaling value of some specific vendor ID chips config: m68k-randconfig-m041-20230329 (https://download.01.org/0day-ci/archive/20230330/202303302231.gNdPKrtD-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 12.1.0 If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Reported-by: Dan Carpenter <error27@xxxxxxxxx> | Link: https://lore.kernel.org/r/202303302231.gNdPKrtD-lkp@xxxxxxxxx/ smatch warnings: drivers/iio/adc/mt6370-adc.c:306 mt6370_adc_probe() error: uninitialized symbol 'priv'. vim +/priv +306 drivers/iio/adc/mt6370-adc.c c1404d1b659fe3d ChiaEn Wu 2022-10-11 294 static int mt6370_adc_probe(struct platform_device *pdev) c1404d1b659fe3d ChiaEn Wu 2022-10-11 295 { c1404d1b659fe3d ChiaEn Wu 2022-10-11 296 struct device *dev = &pdev->dev; c1404d1b659fe3d ChiaEn Wu 2022-10-11 297 struct mt6370_adc_data *priv; c1404d1b659fe3d ChiaEn Wu 2022-10-11 298 struct iio_dev *indio_dev; c1404d1b659fe3d ChiaEn Wu 2022-10-11 299 struct regmap *regmap; c1404d1b659fe3d ChiaEn Wu 2022-10-11 300 int ret; c1404d1b659fe3d ChiaEn Wu 2022-10-11 301 c1404d1b659fe3d ChiaEn Wu 2022-10-11 302 regmap = dev_get_regmap(pdev->dev.parent, NULL); c1404d1b659fe3d ChiaEn Wu 2022-10-11 303 if (!regmap) c1404d1b659fe3d ChiaEn Wu 2022-10-11 304 return dev_err_probe(dev, -ENODEV, "Failed to get regmap\n"); c1404d1b659fe3d ChiaEn Wu 2022-10-11 305 9822359d5de2dba ChiaEn Wu 2023-03-24 @306 ret = mt6370_get_vendor_info(priv); "priv" is uninitialized. 9822359d5de2dba ChiaEn Wu 2023-03-24 307 if (ret) 9822359d5de2dba ChiaEn Wu 2023-03-24 308 return dev_err_probe(dev, ret, "Failed to get vid\n"); 9822359d5de2dba ChiaEn Wu 2023-03-24 309 c1404d1b659fe3d ChiaEn Wu 2022-10-11 310 indio_dev = devm_iio_device_alloc(dev, sizeof(*priv)); c1404d1b659fe3d ChiaEn Wu 2022-10-11 311 if (!indio_dev) c1404d1b659fe3d ChiaEn Wu 2022-10-11 312 return -ENOMEM; c1404d1b659fe3d ChiaEn Wu 2022-10-11 313 c1404d1b659fe3d ChiaEn Wu 2022-10-11 314 priv = iio_priv(indio_dev); ^^^^^^^^^^^^^^^^^^^^^^^^^^ c1404d1b659fe3d ChiaEn Wu 2022-10-11 315 priv->dev = dev; c1404d1b659fe3d ChiaEn Wu 2022-10-11 316 priv->regmap = regmap; c1404d1b659fe3d ChiaEn Wu 2022-10-11 317 mutex_init(&priv->adc_lock); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests