Hi Johannes, kernel test robot noticed the following build warnings: [auto build test WARNING on wireless-next/main] [also build test WARNING on wireless/main linus/master v6.6-rc1 next-20230914] [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/Johannes-Berg/rfkill-sync-before-userspace-visibility-changes/20230914-221103 base: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main patch link: https://lore.kernel.org/r/20230914153604.9d1ce0f43ac8.If977317d8f6a0f557090defcd6aef67628f62ff7%40changeid patch subject: [PATCH v2] rfkill: sync before userspace visibility/changes config: i386-buildonly-randconfig-003-20230915 (https://download.01.org/0day-ci/archive/20230915/202309150223.e6DfafFk-lkp@xxxxxxxxx/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230915/202309150223.e6DfafFk-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/202309150223.e6DfafFk-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): net/rfkill/core.c: In function 'soft_show': net/rfkill/core.c:735:2: error: implicit declaration of function 'rfkill_sync'; did you mean 'rfkill_event'? [-Werror=implicit-function-declaration] 735 | rfkill_sync(rfkill); | ^~~~~~~~~~~ | rfkill_event net/rfkill/core.c: At top level: >> net/rfkill/core.c:1044:13: warning: conflicting types for 'rfkill_sync' 1044 | static void rfkill_sync(struct rfkill *rfkill) | ^~~~~~~~~~~ net/rfkill/core.c:1044:13: error: static declaration of 'rfkill_sync' follows non-static declaration net/rfkill/core.c:735:2: note: previous implicit declaration of 'rfkill_sync' was here 735 | rfkill_sync(rfkill); | ^~~~~~~~~~~ cc1: some warnings being treated as errors vim +/rfkill_sync +1044 net/rfkill/core.c 1043 > 1044 static void rfkill_sync(struct rfkill *rfkill) 1045 { 1046 lockdep_assert_held(&rfkill_global_mutex); 1047 1048 if (!rfkill->need_sync) 1049 return; 1050 1051 rfkill_set_block(rfkill, rfkill_global_states[rfkill->type].cur); 1052 rfkill->need_sync = false; 1053 } 1054 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
