tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: e31185ce00a96232308300008db193416ceb9769 commit: 0f4459080884b688c4ec9c2b121f22c641401bc1 [8181/9122] fortify: Split reporting and avoid passing string pointer config: arm-defconfig (https://download.01.org/0day-ci/archive/20240222/202402222314.J6A7eb4B-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240222/202402222314.J6A7eb4B-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/202402222314.J6A7eb4B-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> arch/arm/boot/compressed/misc.c:157:6: warning: no previous prototype for function '__fortify_panic' [-Wmissing-prototypes] void __fortify_panic(const u8 reason) ^ arch/arm/boot/compressed/misc.c:157:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __fortify_panic(const u8 reason) ^ static 1 warning generated. vim +/__fortify_panic +157 arch/arm/boot/compressed/misc.c 156 > 157 void __fortify_panic(const u8 reason) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki