Hi Mario, kernel test robot noticed the following build warnings: [auto build test WARNING on 2ba9f676d0a2e408aef14d679984c26373bf37b7] url: https://github.com/intel-lab-lkp/linux/commits/Mario-Limonciello/ACPI-platform-profile-Add-a-name-member-to-handlers/20241130-221102 base: 2ba9f676d0a2e408aef14d679984c26373bf37b7 patch link: https://lore.kernel.org/r/20241130140454.455-3-mario.limonciello%40amd.com patch subject: [PATCH v8 02/22] platform/x86/dell: dell-pc: Create platform device config: i386-buildonly-randconfig-003-20241130 (https://download.01.org/0day-ci/archive/20241201/202412010129.zSeGQmOm-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241201/202412010129.zSeGQmOm-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202412010129.zSeGQmOm-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/platform/x86/dell/dell-pc.c: In function 'thermal_init': >> drivers/platform/x86/dell/dell-pc.c:252:32: warning: passing argument 1 of 'ERR_PTR' makes integer from pointer without a cast [-Wint-conversion] 252 | return ERR_PTR(platform_device); | ^~~~~~~~~~~~~~~ | | | struct platform_device * In file included from include/linux/kernfs.h:9, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/dmi.h:6, from drivers/platform/x86/dell/dell-pc.c:15: include/linux/err.h:39:48: note: expected 'long int' but argument is of type 'struct platform_device *' 39 | static inline void * __must_check ERR_PTR(long error) | ~~~~~^~~~~ >> drivers/platform/x86/dell/dell-pc.c:252:24: warning: returning 'void *' from a function with return type 'int' makes integer from pointer without a cast [-Wint-conversion] 252 | return ERR_PTR(platform_device); | ^~~~~~~~~~~~~~~~~~~~~~~~ vim +/ERR_PTR +252 drivers/platform/x86/dell/dell-pc.c 233 234 static int thermal_init(void) 235 { 236 int ret; 237 int supported_modes; 238 239 /* If thermal commands are not supported, exit without error */ 240 if (!dell_smbios_class_is_supported(CLASS_INFO)) 241 return 0; 242 243 /* If thermal modes are not supported, exit without error */ 244 ret = thermal_get_supported_modes(&supported_modes); 245 if (ret < 0) 246 return ret; 247 if (!supported_modes) 248 return 0; 249 250 platform_device = platform_device_register_simple("dell-pc", PLATFORM_DEVID_NONE, NULL, 0); 251 if (IS_ERR(platform_device)) > 252 return ERR_PTR(platform_device); 253 254 thermal_handler = devm_kzalloc(&platform_device->dev, sizeof(*thermal_handler), GFP_KERNEL); 255 if (!thermal_handler) { 256 ret = -ENOMEM; 257 goto cleanup_platform_device; 258 } 259 thermal_handler->name = "dell-pc"; 260 thermal_handler->profile_get = thermal_platform_profile_get; 261 thermal_handler->profile_set = thermal_platform_profile_set; 262 263 if (supported_modes & DELL_QUIET) 264 set_bit(PLATFORM_PROFILE_QUIET, thermal_handler->choices); 265 if (supported_modes & DELL_COOL_BOTTOM) 266 set_bit(PLATFORM_PROFILE_COOL, thermal_handler->choices); 267 if (supported_modes & DELL_BALANCED) 268 set_bit(PLATFORM_PROFILE_BALANCED, thermal_handler->choices); 269 if (supported_modes & DELL_PERFORMANCE) 270 set_bit(PLATFORM_PROFILE_PERFORMANCE, thermal_handler->choices); 271 272 /* Clean up if failed */ 273 ret = platform_profile_register(thermal_handler); 274 if (ret) 275 goto cleanup_thermal_handler; 276 277 return 0; 278 279 cleanup_thermal_handler: 280 thermal_handler = NULL; 281 282 cleanup_platform_device: 283 platform_device_unregister(platform_device); 284 285 return ret; 286 } 287 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki