tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik.git ux500-href-charging-v5.16-rc1-prim head: 86b93a3192d2eb04134708293a8274948d210db4 commit: 86b93a3192d2eb04134708293a8274948d210db4 [35/35] samsung hack config: ia64-buildonly-randconfig-r002-20211214 (https://download.01.org/0day-ci/archive/20211214/202112141408.YsblgOpj-lk...) compiler: ia64-linux-gcc (GCC) 11.2.0 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/linusw/linux-nomadik.git/... git remote add linusw-nomadik https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik.git git fetch --no-tags linusw-nomadik ux500-href-charging-v5.16-rc1-prim git checkout 86b93a3192d2eb04134708293a8274948d210db4 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/power/supply/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): 55 | int samsung_sdi_battery_get_info(struct power_supply_battery_info **info, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/power/supply/samsung-sdi-battery.c: In function 'samsung_sdi_battery_get_info': drivers/power/supply/samsung-sdi-battery.c:71:1: error: control reaches end of non-void function [-Werror=return-type] 71 | } | ^ cc1: some warnings being treated as errors vim +/samsung_sdi_battery_get_info +55 drivers/power/supply/samsung-sdi-battery.c 54 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org