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And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Nehuen-Lian-Bova/HID-wacom-replace-sprintf-calls-with-safer-alternatives/20261101-024830 base: https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-next patch link: https://lore.kernel.org/r/20261101054830.291749-1-nehuenlian.kernel%40gmail.com patch subject: [PATCH v2] HID: wacom: replace sprintf calls with safer alternatives config: i386-randconfig-1000-20261103 (https://download.01.org/0day-ci/archive/20261103/202611031735.MAqF2fN1-lkp@intel.com/config) compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261103/202611031735.MAqF2fN1-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202611031735.MAqF2fN1-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/hid/wacom_sys.c:1842:30: error: incompatible pointer to integer conversion passing 'char[18]' to parameter of type '__size_t' (aka 'unsigned int') [-Wint-conversion] 1842 | snprintf(battery->bat_name, "wacom_battery_%ld", n); | ^~~~~~~~~~~~~~~~~~~ include/linux/sprintf.h:13:47: note: passing argument to parameter 'size' here 13 | __printf(3, 4) int snprintf(char *buf, size_t size, const char *fmt, ...); | ^ >> drivers/hid/wacom_sys.c:1842:51: error: incompatible integer to pointer conversion passing 'unsigned long' to parameter of type 'const char *' [-Wint-conversion] 1842 | snprintf(battery->bat_name, "wacom_battery_%ld", n); | ^ include/linux/sprintf.h:13:65: note: passing argument to parameter 'fmt' here 13 | __printf(3, 4) int snprintf(char *buf, size_t size, const char *fmt, ...); | ^ 2 errors generated. vim +1842 drivers/hid/wacom_sys.c 1820 1821 static int __wacom_initialize_battery(struct wacom *wacom, 1822 struct wacom_battery *battery) 1823 { 1824 static atomic_t battery_no = ATOMIC_INIT(0); 1825 struct device *dev = &wacom->hdev->dev; 1826 struct power_supply_config psy_cfg = { .drv_data = battery, }; 1827 struct power_supply *ps_bat; 1828 struct power_supply_desc *bat_desc = &battery->bat_desc; 1829 unsigned long n; 1830 int error; 1831 1832 if (!devres_open_group(dev, bat_desc, GFP_KERNEL)) 1833 return -ENOMEM; 1834 1835 battery->wacom = wacom; 1836 1837 n = atomic_inc_return(&battery_no) - 1; 1838 1839 bat_desc->properties = wacom_battery_props; 1840 bat_desc->num_properties = ARRAY_SIZE(wacom_battery_props); 1841 bat_desc->get_property = wacom_battery_get_property; > 1842 snprintf(battery->bat_name, "wacom_battery_%ld", n); 1843 bat_desc->name = battery->bat_name; 1844 bat_desc->type = POWER_SUPPLY_TYPE_BATTERY; 1845 bat_desc->use_for_apm = 0; 1846 1847 ps_bat = devm_power_supply_register(dev, bat_desc, &psy_cfg); 1848 if (IS_ERR(ps_bat)) { 1849 error = PTR_ERR(ps_bat); 1850 goto err; 1851 } 1852 1853 power_supply_powers(ps_bat, &wacom->hdev->dev); 1854 1855 battery->battery = ps_bat; 1856 1857 devres_close_group(dev, bat_desc); 1858 return 0; 1859 1860 err: 1861 devres_release_group(dev, bat_desc); 1862 return error; 1863 } 1864 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki