Hi Zhou, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: b68ca03b5eebc04f7f846c56524f7b81f40b7746 commit: 9c1c9598010fbb9daa1e2a67d23830092fb6246a [2956/2956] net/hinic: Update Huawei Intelligent Network Card Driver: hinic config: arm64-randconfig-004-20250930 (https://download.01.org/0day-ci/archive/20250930/202509301446.csg9rg8E-lkp@i...) compiler: aarch64-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250930/202509301446.csg9rg8E-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202509301446.csg9rg8E-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/net/ethernet/huawei/hinic/hinic_dcb.c:32: drivers/net/ethernet/huawei/hinic/hinic_nic_dev.h:210:19: error: field 'hinic_ieee_ets_default' has incomplete type struct ieee_ets hinic_ieee_ets_default; ^~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/huawei/hinic/hinic_nic_dev.h:211:19: error: field 'hinic_ieee_ets' has incomplete type struct ieee_ets hinic_ieee_ets; ^~~~~~~~~~~~~~ drivers/net/ethernet/huawei/hinic/hinic_nic_dev.h:212:19: error: field 'hinic_ieee_pfc' has incomplete type struct ieee_pfc hinic_ieee_pfc; ^~~~~~~~~~~~~~ drivers/net/ethernet/huawei/hinic/hinic_dcb.c:62:6: warning: no previous prototype for 'hinic_dcb_config_init' [-Wmissing-prototypes] void hinic_dcb_config_init(struct hinic_nic_dev *nic_dev, ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/huawei/hinic/hinic_dcb.c:95:6: warning: no previous prototype for 'hinic_init_ieee_settings' [-Wmissing-prototypes] void hinic_init_ieee_settings(struct hinic_nic_dev *nic_dev) ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/string.h:294, from include/linux/uuid.h:11, from include/linux/mod_devicetable.h:14, from include/linux/pci.h:27, from drivers/net/ethernet/huawei/hinic/hinic_dcb.c:18: drivers/net/ethernet/huawei/hinic/hinic_dcb.c: In function 'hinic_init_ieee_settings': drivers/net/ethernet/huawei/hinic/hinic_dcb.c:103:26: error: invalid application of 'sizeof' to incomplete type 'struct ieee_ets' memset(ets, 0x0, sizeof(struct ieee_ets)); ^~~~~~ include/linux/fortify-string.h:514:35: note: in definition of macro '__fortify_memset_chk' size_t __fortify_size = (size_t)(size); \ ^~~~ drivers/net/ethernet/huawei/hinic/hinic_dcb.c:103:2: note: in expansion of macro 'memset' memset(ets, 0x0, sizeof(struct ieee_ets)); ^~~~~~ drivers/net/ethernet/huawei/hinic/hinic_dcb.c:104:47: error: invalid application of 'sizeof' to incomplete type 'struct ieee_ets' memset(&nic_dev->hinic_ieee_ets, 0x0, sizeof(struct ieee_ets)); ^~~~~~ include/linux/fortify-string.h:514:35: note: in definition of macro '__fortify_memset_chk' size_t __fortify_size = (size_t)(size); \ ^~~~ drivers/net/ethernet/huawei/hinic/hinic_dcb.c:104:2: note: in expansion of macro 'memset' memset(&nic_dev->hinic_ieee_ets, 0x0, sizeof(struct ieee_ets)); ^~~~~~

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include/linux/fortify-string.h:515:58: warning: left-hand operand of comma expression has no effect [-Wunused-value] fortify_memset_chk(__fortify_size, p_size, p_size_field), \ ^ include/linux/fortify-string.h:524:25: note: in expansion of macro '__fortify_memset_chk' #define memset(p, c, s) __fortify_memset_chk(p, c, s, \ ^~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/huawei/hinic/hinic_dcb.c:104:2: note: in expansion of macro 'memset' memset(&nic_dev->hinic_ieee_ets, 0x0, sizeof(struct ieee_ets)); ^~~~~~ drivers/net/ethernet/huawei/hinic/hinic_dcb.c:105:5: error: dereferencing pointer to incomplete type 'struct ieee_ets' ets->ets_cap = dcb_cfg->pg_tcs; ^~ In file included from include/linux/string.h:294, from include/linux/uuid.h:11, from include/linux/mod_devicetable.h:14, from include/linux/pci.h:27, from drivers/net/ethernet/huawei/hinic/hinic_dcb.c:18: drivers/net/ethernet/huawei/hinic/hinic_dcb.c:115:47: error: invalid application of 'sizeof' to incomplete type 'struct ieee_ets' memcpy(&nic_dev->hinic_ieee_ets, ets, sizeof(struct ieee_ets)); ^~~~~~ include/linux/fortify-string.h:636:41: note: in definition of macro '__fortify_memcpy_chk' const size_t __fortify_size = (size_t)(size); \ ^~~~ drivers/net/ethernet/huawei/hinic/hinic_dcb.c:115:2: note: in expansion of macro 'memcpy' memcpy(&nic_dev->hinic_ieee_ets, ets, sizeof(struct ieee_ets)); ^~~~~~ drivers/net/ethernet/huawei/hinic/hinic_dcb.c:117:26: error: invalid application of 'sizeof' to incomplete type 'struct ieee_pfc' memset(pfc, 0x0, sizeof(struct ieee_pfc)); ^~~~~~ include/linux/fortify-string.h:514:35: note: in definition of macro '__fortify_memset_chk' size_t __fortify_size = (size_t)(size); \ ^~~~ drivers/net/ethernet/huawei/hinic/hinic_dcb.c:117:2: note: in expansion of macro 'memset' memset(pfc, 0x0, sizeof(struct ieee_pfc)); ^~~~~~ drivers/net/ethernet/huawei/hinic/hinic_dcb.c:118:5: error: dereferencing pointer to incomplete type 'struct ieee_pfc' pfc->pfc_cap = dcb_cfg->pfc_tcs; ^~ drivers/net/ethernet/huawei/hinic/hinic_dcb.c: In function 'hinic_dcb_init': drivers/net/ethernet/huawei/hinic/hinic_dcb.c:244:22: error: 'DCB_CAP_DCBX_HOST' undeclared (first use in this function); did you mean 'HT_CAPTYPE_HOST'? nic_dev->dcbx_cap = DCB_CAP_DCBX_HOST | DCB_CAP_DCBX_VER_CEE; ^~~~~~~~~~~~~~~~~ HT_CAPTYPE_HOST drivers/net/ethernet/huawei/hinic/hinic_dcb.c:244:22: note: each undeclared identifier is reported only once for each function it appears in drivers/net/ethernet/huawei/hinic/hinic_dcb.c:244:42: error: 'DCB_CAP_DCBX_VER_CEE' undeclared (first use in this function); did you mean 'DCB_CFG_CHG_UP_COS'? nic_dev->dcbx_cap = DCB_CAP_DCBX_HOST | DCB_CAP_DCBX_VER_CEE; ^~~~~~~~~~~~~~~~~~~~ DCB_CFG_CHG_UP_COS drivers/net/ethernet/huawei/hinic/hinic_dcb.c: At top level: drivers/net/ethernet/huawei/hinic/hinic_dcb.c:258:6: warning: no previous prototype for 'hinic_set_prio_tc_map' [-Wmissing-prototypes] void hinic_set_prio_tc_map(struct hinic_nic_dev *nic_dev) ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/huawei/hinic/hinic_dcb.c: In function 'hinic_dcbnl_set_state': drivers/net/ethernet/huawei/hinic/hinic_dcb.c:380:28: error: 'DCB_CAP_DCBX_VER_CEE' undeclared (first use in this function); did you mean 'DCB_CFG_CHG_UP_COS'? if (!(nic_dev->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) ^~~~~~~~~~~~~~~~~~~~ DCB_CFG_CHG_UP_COS drivers/net/ethernet/huawei/hinic/hinic_dcb.c: In function 'hinic_dcbnl_set_pg_tc_cfg_tx': drivers/net/ethernet/huawei/hinic/hinic_dcb.c:475:14: error: 'DCB_ATTR_VALUE_UNDEFINED' undeclared (first use in this function); did you mean 'NL_ATTR_TYPE_NESTED'? if (prio != DCB_ATTR_VALUE_UNDEFINED) ^~~~~~~~~~~~~~~~~~~~~~~~ NL_ATTR_TYPE_NESTED drivers/net/ethernet/huawei/hinic/hinic_dcb.c: In function 'hinic_dcbnl_set_pg_tc_cfg_rx': drivers/net/ethernet/huawei/hinic/hinic_dcb.c:507:14: error: 'DCB_ATTR_VALUE_UNDEFINED' undeclared (first use in this function); did you mean 'NL_ATTR_TYPE_NESTED'? if (prio != DCB_ATTR_VALUE_UNDEFINED) ^~~~~~~~~~~~~~~~~~~~~~~~ NL_ATTR_TYPE_NESTED drivers/net/ethernet/huawei/hinic/hinic_dcb.c: In function 'hinic_dcbnl_getcap': drivers/net/ethernet/huawei/hinic/hinic_dcb.c:689:7: error: 'DCB_CAP_ATTR_PG' undeclared (first use in this function); did you mean 'DEVICE_ATTR_RO'? case DCB_CAP_ATTR_PG: ^~~~~~~~~~~~~~~ DEVICE_ATTR_RO drivers/net/ethernet/huawei/hinic/hinic_dcb.c:692:7: error: 'DCB_CAP_ATTR_PFC' undeclared (first use in this function); did you mean 'DCB_CFG_CHG_PFC'? case DCB_CAP_ATTR_PFC: ^~~~~~~~~~~~~~~~ DCB_CFG_CHG_PFC drivers/net/ethernet/huawei/hinic/hinic_dcb.c:695:7: error: 'DCB_CAP_ATTR_UP2TC' undeclared (first use in this function); did you mean 'DCB_CFG_CHG_PFC'? case DCB_CAP_ATTR_UP2TC: ^~~~~~~~~~~~~~~~~~ DCB_CFG_CHG_PFC drivers/net/ethernet/huawei/hinic/hinic_dcb.c:698:7: error: 'DCB_CAP_ATTR_PG_TCS' undeclared (first use in this function); did you mean 'DCB_CFG_CHG_PG_TX'? case DCB_CAP_ATTR_PG_TCS: ^~~~~~~~~~~~~~~~~~~ DCB_CFG_CHG_PG_TX drivers/net/ethernet/huawei/hinic/hinic_dcb.c:701:7: error: 'DCB_CAP_ATTR_PFC_TCS' undeclared (first use in this function); did you mean 'DCB_CFG_CHG_PG_TX'? case DCB_CAP_ATTR_PFC_TCS: ^~~~~~~~~~~~~~~~~~~~ DCB_CFG_CHG_PG_TX drivers/net/ethernet/huawei/hinic/hinic_dcb.c:704:7: error: 'DCB_CAP_ATTR_GSP' undeclared (first use in this function); did you mean 'PCI_CAP_ID_AGP'? case DCB_CAP_ATTR_GSP: ^~~~~~~~~~~~~~~~ PCI_CAP_ID_AGP drivers/net/ethernet/huawei/hinic/hinic_dcb.c:707:7: error: 'DCB_CAP_ATTR_BCN' undeclared (first use in this function); did you mean 'DEVICE_ATTR_RO'? case DCB_CAP_ATTR_BCN: ^~~~~~~~~~~~~~~~ DEVICE_ATTR_RO drivers/net/ethernet/huawei/hinic/hinic_dcb.c:710:7: error: 'DCB_CAP_ATTR_DCBX' undeclared (first use in this function); did you mean 'PCI_CAP_ID_DBG'? case DCB_CAP_ATTR_DCBX: ^~~~~~~~~~~~~~~~~ PCI_CAP_ID_DBG drivers/net/ethernet/huawei/hinic/hinic_dcb.c: In function '__set_hw_ets':

vim +515 include/linux/fortify-string.h 28e77cc1c06866 Kees Cook 2021-06-16 512 28e77cc1c06866 Kees Cook 2021-06-16 513 #define __fortify_memset_chk(p, c, size, p_size, p_size_field) ({ \ 28e77cc1c06866 Kees Cook 2021-06-16 514 size_t __fortify_size = (size_t)(size); \ 28e77cc1c06866 Kees Cook 2021-06-16 @515 fortify_memset_chk(__fortify_size, p_size, p_size_field), \ 28e77cc1c06866 Kees Cook 2021-06-16 516 __underlying_memset(p, c, __fortify_size); \ 28e77cc1c06866 Kees Cook 2021-06-16 517 }) 28e77cc1c06866 Kees Cook 2021-06-16 518 :::::: The code at line 515 was first introduced by commit :::::: 28e77cc1c0686621a4d416f599cee5ab369daa0a fortify: Detect struct member overflows in memset() at compile-time :::::: TO: Kees Cook <keescook@chromium.org> :::::: CC: Kees Cook <keescook@chromium.org> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki