Hi Youling, kernel test robot noticed the following build warnings: [auto build test WARNING on kdave/for-next] [also build test WARNING on linus/master next-20240723] [cannot apply to jaegeuk-f2fs/dev-test jaegeuk-f2fs/dev soc/for-next v6.10] [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/Youling-Tang/module-Add-module_subinit-_noexit-and-module_subeixt-helper-macros/20240723-164434 base: https://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-next patch link: https://lore.kernel.org/r/20240723083239.41533-5-youling.tang%40linux.dev patch subject: [PATCH 4/4] f2fs: Use module_{subinit, subeixt} helper macros config: i386-buildonly-randconfig-004-20240724 (https://download.01.org/0day-ci/archive/20240724/202407240204.KcPiCniO-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240724/202407240204.KcPiCniO-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/202407240204.KcPiCniO-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from fs/f2fs/node.c:16: >> fs/f2fs/f2fs.h:4131:57: warning: non-void function does not return a value [-Wreturn-type] 4131 | static inline int __init f2fs_create_root_stats(void) { } | ^ 1 warning generated. -- In file included from fs/f2fs/data.c:25: >> fs/f2fs/f2fs.h:4131:57: warning: non-void function does not return a value [-Wreturn-type] 4131 | static inline int __init f2fs_create_root_stats(void) { } | ^ fs/f2fs/data.c:2373:10: warning: variable 'index' set but not used [-Wunused-but-set-variable] 2373 | pgoff_t index; | ^ 2 warnings generated. vim +4131 fs/f2fs/f2fs.h 4128 4129 static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; } 4130 static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { } > 4131 static inline int __init f2fs_create_root_stats(void) { } 4132 static inline void f2fs_destroy_root_stats(void) { } 4133 static inline void f2fs_update_sit_info(struct f2fs_sb_info *sbi) {} 4134 #endif 4135 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
