Hi Cryolitia, kernel test robot noticed the following build warnings: [auto build test WARNING on ffd294d346d185b70e28b1a28abe367bbfe53c04] url: https://github.com/intel-lab-lkp/linux/commits/Cryolitia-PukNgae-via-B4-Relay/hwmon-add-GPD-devices-sensor-driver/20250211-150418 base: ffd294d346d185b70e28b1a28abe367bbfe53c04 patch link: https://lore.kernel.org/r/20250211-gpd_fan-v5-1-608f4255f0e1%40gmail.com patch subject: [PATCH v5 1/2] hwmon: add GPD devices sensor driver config: i386-randconfig-002-20250214 (https://download.01.org/0day-ci/archive/20250214/202502140302.IkW9UALU-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250214/202502140302.IkW9UALU-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/202502140302.IkW9UALU-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/hwmon/gpd-fan.c:361:3: warning: label followed by a declaration is a C23 extension [-Wc23-extensions] 361 | const struct gpd_board_drvdata *drvdata = gpd_driver_priv.drvdata; | ^ drivers/hwmon/gpd-fan.c:452:4: warning: label followed by a declaration is a C23 extension [-Wc23-extensions] 452 | int ret = gpd_read_pwm(); | ^ drivers/hwmon/gpd-fan.c:478:4: warning: label followed by a declaration is a C23 extension [-Wc23-extensions] 478 | u8 var = clamp_val(val, 0, 255); | ^ 3 warnings generated. vim +361 drivers/hwmon/gpd-fan.c 352 353 static int gpd_win_mini_set_pwm_enable(enum FAN_PWM_ENABLE pwm_enable) 354 { 355 switch (pwm_enable) { 356 case DISABLE: 357 return gpd_generic_write_pwm(255); 358 case MANUAL: 359 return gpd_generic_write_pwm(gpd_driver_priv.pwm_value); 360 case AUTOMATIC: > 361 const struct gpd_board_drvdata *drvdata = gpd_driver_priv.drvdata; 362 363 return gpd_ecram_write(drvdata, drvdata->pwm_write, 0); 364 } 365 return 0; 366 } 367 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
