tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f873db9acd3c92d4741bc3676c9eb511b2f9a6f6 commit: 8e57daf70671e482209b5d231a181f04845cf73e sfc_ef100: RX path for EF100 date: 3 weeks ago config: i386-randconfig-c003-20200821 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; coccinelle warnings: (new ones prefixed by >>) # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 8e57daf70671e482209b5d231a181f04845cf73e vim +/check_fcs +44 drivers/net/ethernet/sfc/ef100_rx.c 20 21 /* Get the value of a field in the RX prefix */ 22 #define PREFIX_OFFSET_W(_f) (ESF_GZ_RX_PREFIX_ ## _f ## _LBN / 32) 23 #define PREFIX_OFFSET_B(_f) (ESF_GZ_RX_PREFIX_ ## _f ## _LBN % 32) 24 #define PREFIX_WIDTH_MASK(_f) ((1UL << ESF_GZ_RX_PREFIX_ ## _f ## _WIDTH) - 1) 25 #define PREFIX_WORD(_p, _f) le32_to_cpu((__force __le32)(_p)[PREFIX_OFFSET_W(_f)]) 26 #define PREFIX_FIELD(_p, _f) ((PREFIX_WORD(_p, _f) >> PREFIX_OFFSET_B(_f)) & \ 27 PREFIX_WIDTH_MASK(_f)) 28 29 #define ESF_GZ_RX_PREFIX_NT_OR_INNER_L3_CLASS_LBN \ 30 (ESF_GZ_RX_PREFIX_CLASS_LBN + ESF_GZ_RX_PREFIX_HCLASS_NT_OR_INNER_L3_CLASS_LBN) 31 #define ESF_GZ_RX_PREFIX_NT_OR_INNER_L3_CLASS_WIDTH \ 32 ESF_GZ_RX_PREFIX_HCLASS_NT_OR_INNER_L3_CLASS_WIDTH 33 34 static bool check_fcs(struct efx_channel *channel, u32 *prefix) 35 { 36 u16 rxclass; 37 u8 l2status; 38 39 rxclass = le16_to_cpu((__force __le16)PREFIX_FIELD(prefix, CLASS)); 40 l2status = PREFIX_FIELD(&rxclass, HCLASS_L2_STATUS); 41 42 if (likely(l2status == ESE_GZ_RH_HCLASS_L2_STATUS_OK)) 43 /* Everything is ok */ 45 46 if (l2status == ESE_GZ_RH_HCLASS_L2_STATUS_FCS_ERR) 47 channel->n_rx_eth_crc_err++; 48 return 1; 49 } 50 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org