Hi Xiaoliang, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on net-next/master] url: https://github.com/0day-ci/linux/commits/Xiaoliang-Yang/net-qos-introduce... base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git a17aafa3a416971bb5a17464f1c949e3de6d1b18 config: openrisc-allyesconfig (attached as .config) compiler: or1k-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://github.com/0day-ci/linux/commit/a48cfe88fdec052ac0b48bdae1847a200... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Xiaoliang-Yang/net-qos-introduce-a-frer-action-to-implement-802-1CB/20210928-193646 git checkout a48cfe88fdec052ac0b48bdae1847a2007928db8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=openrisc 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 >>): 654 | .init = tcf_frer_init, | ^~~~~~~~~~~~~ net/sched/act_frer.c:654:33: note: (near initialization for 'act_frer_ops.init') cc1: all warnings being treated as errors vim +654 net/sched/act_frer.c 648 649 static struct tc_action_ops act_frer_ops = { 650 .kind = "frer", 651 .id = TCA_ID_FRER, 652 .owner = THIS_MODULE, 653 .act = tcf_frer_act, 655 .cleanup = tcf_frer_cleanup, 656 .dump = tcf_frer_dump, 657 .walk = tcf_frer_walker, 658 .stats_update = tcf_frer_stats_update, 659 .get_fill_size = tcf_frer_get_fill_size, 660 .lookup = tcf_frer_search, 661 .size = sizeof(struct tcf_frer), 662 }; 663 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org