Hi Dmitry, kernel test robot noticed the following build errors: [auto build test ERROR on usb/usb-testing] [also build test ERROR on usb/usb-next usb/usb-linus linus/master v6.7-rc5 next-20231213] [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/Dmitry-Antipov/usb-gadget-f_fs-fix-fortify-warning/20231212-193946 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing patch link: https://lore.kernel.org/r/20231212112923.61799-1-dmantipov%40yandex.ru patch subject: [PATCH] usb: gadget: f_fs: fix fortify warning config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20231214/202312140411.KJ3yiKt5-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231214/202312140411.KJ3yiKt5-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/202312140411.KJ3yiKt5-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from <built-in>:1: >> ./usr/include/linux/usb/functionfs.h:76:2: error: type name requires a specifier or qualifier struct_group(IDs, ^ >> ./usr/include/linux/usb/functionfs.h:77:3: error: unexpected type name '__u8': expected identifier __u8 CompatibleID[8]; ^ >> ./usr/include/linux/usb/functionfs.h:77:8: error: expected ')' __u8 CompatibleID[8]; ^ ./usr/include/linux/usb/functionfs.h:76:14: note: to match this '(' struct_group(IDs, ^ >> ./usr/include/linux/usb/functionfs.h:76:15: error: a parameter list without types is only allowed in a function definition struct_group(IDs, ^ ./usr/include/linux/usb/functionfs.h:79:2: error: type name requires a specifier or qualifier ); ^ >> ./usr/include/linux/usb/functionfs.h:79:2: error: expected member name or ';' after declaration specifiers >> ./usr/include/linux/usb/functionfs.h:78:27: error: expected ';' at end of declaration list __u8 SubCompatibleID[8]; ^ ; 7 errors generated. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki