tree: https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue.git dev-queue head: 48d91eba0c7d674de08e9c66fcd67a2b742f8b7a commit: 0d18a45d3255af770e8bf428d3b5c0fa7071f192 [8/111] i40e: VLAN field for flow director config: parisc-randconfig-r033-20201209 (attached as .config) compiler: hppa-linux-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 # https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue.git/comm... git remote add tnguy-next-queue https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue.git git fetch --no-tags tnguy-next-queue dev-queue git checkout 0d18a45d3255af770e8bf428d3b5c0fa7071f192 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc 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 >>): drivers/net/ethernet/intel/i40e/i40e_txrx.c: In function 'i40e_add_del_fdir_ip': 547 | int ret; | ^~~ vim +/ret +547 drivers/net/ethernet/intel/i40e/i40e_txrx.c f223c8752a0b756 Jacob Keller 2017-02-06 524 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 525 #define I40E_IP_DUMMY_PACKET_LEN 34 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 526 #define I40E_IP6_DUMMY_PACKET_LEN 54 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 527 /** 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 528 * i40e_add_del_fdir_ip - Add/Remove IPv4 Flow Director filters for 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 529 * a specific flow spec 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 530 * @vsi: pointer to the targeted VSI 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 531 * @fd_data: the flow director data required for the FDir descriptor 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 532 * @add: true adds a filter, false removes it 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 533 * @ipv4: true is v4, false is v6 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 534 * 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 535 * Returns 0 if the filters were successfully added or removed 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 536 **/ 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 537 static int i40e_add_del_fdir_ip(struct i40e_vsi *vsi, 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 538 struct i40e_fdir_filter *fd_data, 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 539 bool add, 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 540 bool ipv4) 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 541 { 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 542 struct i40e_pf *pf = vsi->back; 0d18a45d3255af7 Przemyslaw Patynowski 2020-10-21 543 int payload_offset; 49d7d9333163756 Anjali Singhai Jain 2014-06-04 544 u8 *raw_packet; 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 545 int iter_start; 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 546 int iter_end; 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 @547 int ret; 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 548 int i; 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 549 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 550 if (ipv4) { 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 551 iter_start = I40E_FILTER_PCTYPE_NONF_IPV4_OTHER; 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 552 iter_end = I40E_FILTER_PCTYPE_FRAG_IPV4; 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 553 } else { 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 554 iter_start = I40E_FILTER_PCTYPE_NONF_IPV6_OTHER; 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 555 iter_end = I40E_FILTER_PCTYPE_FRAG_IPV6; 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 556 } 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 557 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 558 for (i = iter_start; i <= iter_end; i++) { 49d7d9333163756 Anjali Singhai Jain 2014-06-04 559 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, GFP_KERNEL); 49d7d9333163756 Anjali Singhai Jain 2014-06-04 560 if (!raw_packet) 49d7d9333163756 Anjali Singhai Jain 2014-06-04 561 return -ENOMEM; 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 562 0d18a45d3255af7 Przemyslaw Patynowski 2020-10-21 563 /* IPv6 no header option differs from IPv4 */ 0d18a45d3255af7 Przemyslaw Patynowski 2020-10-21 564 (void)i40e_create_dummy_packet 0d18a45d3255af7 Przemyslaw Patynowski 2020-10-21 565 (raw_packet, ipv4, (ipv4) ? IPPROTO_IP : IPPROTO_NONE, 0d18a45d3255af7 Przemyslaw Patynowski 2020-10-21 566 fd_data); 0e588de17f086c3 Jacob Keller 2017-02-06 567 0d18a45d3255af7 Przemyslaw Patynowski 2020-10-21 568 payload_offset = (ipv4) ? I40E_IP_DUMMY_PACKET_LEN : 7d00e937cd081ff Przemyslaw Patynowski 2020-10-21 569 I40E_IP6_DUMMY_PACKET_LEN; 0d18a45d3255af7 Przemyslaw Patynowski 2020-10-21 570 ret = i40e_prepare_fdir_filter(pf, fd_data, add, raw_packet, 0d18a45d3255af7 Przemyslaw Patynowski 2020-10-21 571 payload_offset, i); 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 572 } 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 573 0d18a45d3255af7 Przemyslaw Patynowski 2020-10-21 574 i40e_change_filter_num(ipv4, add, &pf->fd_ip4_filter_cnt, 0d18a45d3255af7 Przemyslaw Patynowski 2020-10-21 575 &pf->fd_ip6_filter_cnt); 097dbf52505962d Jacob Keller 2017-02-06 576 e5187ee3ee9a95b Jacob Keller 2017-02-06 577 return 0; 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 578 } 17a73f6b14010d4 Joseph Gasparakis 2014-02-12 579 :::::: The code at line 547 was first introduced by commit :::::: 17a73f6b14010d4516a05f52e3c87431e86edebb i40e: Flow Director sideband accounting :::::: TO: Joseph Gasparakis <joseph.gasparakis(a)intel.com&gt; :::::: CC: Jeff Kirsher <jeffrey.t.kirsher(a)intel.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org