Hi Petr, kernel test robot noticed the following build warnings: [auto build test WARNING on shuah-kselftest/next] [also build test WARNING on shuah-kselftest/fixes linus/master v6.6 next-20231110] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Petr-Mladek/livepatch-Add-callbacks-for-introducing-and-removing-states/20231111-014906 base: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next patch link: https://lore.kernel.org/r/20231110170428.6664-2-pmladek%40suse.com patch subject: [POC 1/7] livepatch: Add callbacks for introducing and removing states config: x86_64-randconfig-006-20231111 (https://download.01.org/0day-ci/archive/20231111/202311110829.UKC9GiUG-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/20231111/202311110829.UKC9GiUG-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/202311110829.UKC9GiUG-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> kernel/livepatch/state.c:121:6: warning: no previous prototype for 'is_state_in_other_patches' [-Wmissing-prototypes] 121 | bool is_state_in_other_patches(struct klp_patch *patch, struct klp_state *state) | ^~~~~~~~~~~~~~~~~~~~~~~~~ vim +/is_state_in_other_patches +121 kernel/livepatch/state.c 120 > 121 bool is_state_in_other_patches(struct klp_patch *patch, struct klp_state *state) 122 { 123 struct klp_patch *old_patch; 124 struct klp_state *old_state; 125 126 klp_for_each_patch(old_patch) { 127 if (old_patch == patch) 128 continue; 129 130 klp_for_each_state(old_patch, old_state) { 131 if (old_state->id == state->id) 132 return true; 133 } 134 } 135 136 return false; 137 } 138 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
