tree: https://github.com/l1k/linux nft_egress_v6 head: c2164307e53a826a4e1a3152e58128561f8ccabd commit: 700c29bd551c81c325ee11dbc9cf359714add76d [3/6] netfilter: Introduce egress hook config: hexagon-buildonly-randconfig-r004-20211012 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c3dcf39554dbea780d6cb7e12239451ba47a2668) 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://github.com/l1k/linux/commit/700c29bd551c81c325ee11dbc9cf359714add76d git remote add l1k https://github.com/l1k/linux git fetch --no-tags l1k nft_egress_v6 git checkout 700c29bd551c81c325ee11dbc9cf359714add76d # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): net/netfilter/core.c:344:20: error: unused function 'nf_ingress_hook' [-Werror,-Wunused-function] static inline bool nf_ingress_hook(const struct nf_hook_ops *reg, int pf) ^ static inline bool nf_egress_hook(const struct nf_hook_ops *reg, int pf) ^ 2 errors generated. vim +/nf_egress_hook +353 net/netfilter/core.c 352 354 { 355 return pf == NFPROTO_NETDEV && reg->hooknum == NF_NETDEV_EGRESS; 356 } 357 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org