[kbuild-all] Re: [mcgrof-next:20211123-sysctl-cleanups 41/41] kernel/kprobes.c:52:1: error: function declaration isn't a prototype

tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20211123-sysctl-cleanups head: c18add41d859b4feec081eab6cfd624a5642973d commit: c18add41d859b4feec081eab6cfd624a5642973d [41/41] kprobe: move sysctl_kprobes_optimization to kprobes.c config: sparc-randconfig-r002-20211123 (https://download.01.org/0day-ci/archive/20211124/202111241540.e3ukBGer-lk...) compiler: sparc64-linux-gcc (GCC) 11.2.0 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/mcgrof/linux-next.git/com... git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git git fetch --no-tags mcgrof-next 20211123-sysctl-cleanups git checkout c18add41d859b4feec081eab6cfd624a5642973d # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=sparc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): In file included from include/linux/key.h:17, from include/linux/cred.h:13, from include/linux/sched/signal.h:10, from include/linux/rcuwait.h:6, from include/linux/percpu-rwsem.h:7, from include/linux/fs.h:33, from include/linux/huge_mm.h:8, from include/linux/mm.h:717, from include/linux/kallsyms.h:13, from include/linux/ftrace.h:12, from include/linux/kprobes.h:28, from kernel/kprobes.c:23: include/linux/sysctl.h: In function 'register_sysctl_mount_point': include/linux/sysctl.h:270:1: error: expected ';' before '}' token 270 | } | ^ kernel/kprobes.c: At top level: kernel/kprobes.c:52:1: error: return type defaults to 'int' [-Werror=return-type] 52 | kprobe_sysctls_init() do { } while (0)