tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 9004fd387338b1104499b2c52ef5729a32c408f0 commit: 8c1b0feea4fecc11f2dd2fa37481fc63562a2cb6 [2899/2970] Merge branch 'hwmon-next' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git config: hexagon-randconfig-r023-20210917 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c8b3d7d6d6de37af68b2f379d0e37304f78e115f) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=8c1b0feea4fecc11f2dd2fa37481fc63562a2cb6 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 8c1b0feea4fecc11f2dd2fa37481fc63562a2cb6 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/hwmon/max6620.c:236:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] default: ^ drivers/hwmon/max6620.c:236:2: note: insert 'break;' to avoid fall-through default: ^ break; 1 warning generated. vim +236 drivers/hwmon/max6620.c a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 218 a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 219 static umode_t a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 220 max6620_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 221 int channel) a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 222 { a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 223 switch (type) { a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 224 case hwmon_fan: a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 225 switch (attr) { a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 226 case hwmon_fan_alarm: a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 227 case hwmon_fan_input: a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 228 return 0444; a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 229 case hwmon_fan_div: a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 230 case hwmon_fan_target: a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 231 return 0644; a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 232 default: a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 233 break; a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 234 } a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 235 a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 @236 default: a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 237 break; a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 238 } a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 239 a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 240 return 0; a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 241 } a2ff27ef3c770c2 Arun Saravanan Balachandran 2021-09-13 242 :::::: The code at line 236 was first introduced by commit :::::: a2ff27ef3c770c2d86ca8e5160b9aff08323be1a hwmon: Add Maxim MAX6620 hardware monitoring driver :::::: TO: Arun Saravanan Balachandran <Arun_Saravanan_Balac@xxxxxxxx> :::::: CC: Guenter Roeck <linux@xxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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