Hi Vladimir, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on net-next/master] [also build test ERROR on linus/master v5.7-rc6 next-20200521] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Vladimir-Oltean/RX-filtering-for... base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git de1b99ef2aa1e982c86b15853e013c6e3dbc1e7a config: arc-defconfig (attached as .config) compiler: arc-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 # 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: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): net/ethernet/eth.c: In function 'ether_setup': 375 | vlan_dev_ivdf_set(dev, false); | ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/vlan_dev_ivdf_set +375 net/ethernet/eth.c 354 355 /** 356 * ether_setup - setup Ethernet network device 357 * @dev: network device 358 * 359 * Fill in the fields of the device structure with Ethernet-generic values. 360 */ 361 void ether_setup(struct net_device *dev) 362 { 363 dev->header_ops = &eth_header_ops; 364 dev->type = ARPHRD_ETHER; 365 dev->hard_header_len = ETH_HLEN; 366 dev->min_header_len = ETH_HLEN; 367 dev->mtu = ETH_DATA_LEN; 368 dev->min_mtu = ETH_MIN_MTU; 369 dev->max_mtu = ETH_DATA_LEN; 370 dev->addr_len = ETH_ALEN; 371 dev->tx_queue_len = DEFAULT_TX_QUEUE_LEN; 372 dev->flags = IFF_BROADCAST|IFF_MULTICAST; 373 dev->priv_flags |= IFF_TX_SKB_SHARING; 374 376 eth_broadcast_addr(dev->broadcast); 377 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org