[kbuild-all] [intel-lts:5.10/KMB-yocto 4349/8457] drivers/tcc/tcc_buffer.c:722:6: warning: no previous prototype for 'clear_mem'

tree: https://github.com/intel/linux-intel-lts.git 5.10/KMB-yocto head: e00ba07ec4720ed356ee8a0ae9a1f53f754b7577 commit: e458e74d504878da6b3818ba611ba3d27647a67c [4349/8457] tcc: update RTCT table parser to support two versions config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20211211/202112110748.jnBxQmWU-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/intel/linux-intel-lts/commit/e458e74d504878da6b3818ba6... git remote add intel-lts https://github.com/intel/linux-intel-lts.git git fetch --no-tags intel-lts 5.10/KMB-yocto git checkout e458e74d504878da6b3818ba611ba3d27647a67c # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/misc/ drivers/tcc/ 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 >>): 722 | void clear_mem(void *info) | ^~~~~~~~~ vim +/clear_mem +722 drivers/tcc/tcc_buffer.c 721 723 { 724 struct mem_s *mem = (struct mem_s *) info; 725 726 memset(mem->vaddr, 0, mem->size); 727 } 728 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org