[kbuild-all] [jpirko-mlxsw:jiri_devel_xmrouter 36/41] drivers/net/ethernet/mellanox/mlxsw/spectrum_router_xm.c:312:1: warning: no previous prototype for 'mlxsw_sp_router_xm_cache_flush_node_destroy'

tree: https://github.com/jpirko/linux_mlxsw jiri_devel_xmrouter head: a95f3d521b1e9bbc77c40307be176fd19ea723dd commit: a515b03fc6ba3290c56f4582bf433a03def0f798 [36/41] mlxsw: spectrum_router_xm: Introduce basic XM cache flushing config: arc-allyesconfig (attached as .config) compiler: arceb-elf-gcc (GCC) 9.3.0 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 git checkout a515b03fc6ba3290c56f4582bf433a03def0f798 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 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 >>): 312 | mlxsw_sp_router_xm_cache_flush_node_destroy(struct mlxsw_sp *mlxsw_sp, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # https://github.com/jpirko/linux_mlxsw/commit/a515b03fc6ba3290c56f4582bf43... git remote add jpirko-mlxsw https://github.com/jpirko/linux_mlxsw git fetch --no-tags jpirko-mlxsw jiri_devel_xmrouter git checkout a515b03fc6ba3290c56f4582bf433a03def0f798 vim +/mlxsw_sp_router_xm_cache_flush_node_destroy +312 drivers/net/ethernet/mellanox/mlxsw/spectrum_router_xm.c 310 311 void 313 struct mlxsw_sp_router_xm_flush_node *flush_node) 314 { 315 struct mlxsw_sp_router_xm *router_xm = mlxsw_sp->router->xm; 316 317 router_xm->flush_count--; 318 rhashtable_remove_fast(&router_xm->flush_ht, &flush_node->ht_node, 319 mlxsw_sp_router_xm_flush_ht_params); 320 kfree(flush_node); 321 } 322 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org