[kbuild-all] [ebiederm-user-namespace:signal-for-v5.17 10/12] kernel/kthread.c:299: warning: expecting prototype for kthread_complete_and exit(). Prototype was for kthread_complete_and_exit() instead

tree: https://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace.git signal-for-v5.17 head: 6b1248798eb6f6d5285db214299996ecc5dc1e6b commit: cead18552660702a4a46f58e65188fe5f36e9dfe [10/12] exit: Rename complete_and_exit to kthread_complete_and_exit config: i386-randconfig-a001-20211213 (https://download.01.org/0day-ci/archive/20211214/202112141422.Cykr6YUS-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project b6a2ddb6c8ac29412b1361810972e15221fa021c) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace.g... git remote add ebiederm-user-namespace https://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace.git git fetch --no-tags ebiederm-user-namespace signal-for-v5.17 git checkout cead18552660702a4a46f58e65188fe5f36e9dfe # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): vim +299 kernel/kthread.c 285 286 /** 287 * kthread_complete_and exit - Exit the current kthread. 288 * @comp: Completion to complete 289 * @code: The integer value to return to kthread_stop(). 290 * 291 * If present complete @comp and the reuturn code to kthread_stop(). 292 * 293 * A kernel thread whose module may be removed after the completion of 294 * @comp can use this function exit safely. 295 * 296 * Does not return. 297 */ 298 void __noreturn kthread_complete_and_exit(struct completion *comp, long code) 300 if (comp) 301 complete(comp); 302 303 kthread_exit(code); 304 } 305 EXPORT_SYMBOL(kthread_complete_and_exit); 306 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org