Hi Ricardo, Thank you for the patch! Yet something to improve: [auto build test ERROR on staging/staging-testing] url: https://github.com/0day-ci/linux/commits/Ricardo-Ferreira/Staging-rtl8712... base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git af7b4801030c07637840191c69eb666917e4135d config: arm-randconfig-r025-20200614 (attached as .config) compiler: arm-linux-gnueabi-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=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>, old ones prefixed by <<): In file included from drivers/staging/rtl8712/rtl871x_cmd.h:22, from drivers/staging/rtl8712/drv_types.h:47, from drivers/staging/rtl8712/hal_init.c:26: drivers/staging/rtl8712/ieee80211.h:566:1: warning: alignment 1 of 'struct ieee80211_authentication' is less than 2 [-Wpacked-not-aligned] 566 | } __packed; | ^ drivers/staging/rtl8712/ieee80211.h:574:1: warning: alignment 1 of 'struct ieee80211_probe_response' is less than 2 [-Wpacked-not-aligned] 574 | } __packed; | ^ drivers/staging/rtl8712/ieee80211.h:578:1: warning: alignment 1 of 'struct ieee80211_probe_request' is less than 2 [-Wpacked-not-aligned] 578 | } __packed; | ^ drivers/staging/rtl8712/ieee80211.h:585:1: warning: alignment 1 of 'struct ieee80211_assoc_request_frame' is less than 2 [-Wpacked-not-aligned] 585 | } __packed; | ^ drivers/staging/rtl8712/ieee80211.h:592:1: warning: alignment 1 of 'struct ieee80211_assoc_response_frame' is less than 2 [-Wpacked-not-aligned] 592 | } __packed; | ^ In file included from drivers/staging/rtl8712/osdep_service.h:31, from drivers/staging/rtl8712/hal_init.c:25: drivers/staging/rtl8712/hal_init.c: In function 'chk_fwhdr': 24 | #define FIELD_OFFSET(s, field) ((addr_t)&(((s) *)(0))->(field)) | ^ 136 | fwhdrsz = FIELD_OFFSET(struct fw_hdr, fwpriv) + pfwhdr->fw_priv_sz; | ^~~~~~~~~~~~ drivers/staging/rtl8712/hal_init.c: In function 'rtl8712_dl_fw': 24 | #define FIELD_OFFSET(s, field) ((addr_t)&(((s) *)(0))->(field)) | ^ drivers/staging/rtl8712/hal_init.c:176:26: note: in expansion of macro 'FIELD_OFFSET' 176 | ptr = (u8 *)mappedfw + FIELD_OFFSET(struct fw_hdr, fwpriv) + | ^~~~~~~~~~~~ -- In file included from drivers/staging/rtl8712/rtl871x_cmd.h:22, from drivers/staging/rtl8712/drv_types.h:47, from drivers/staging/rtl8712/rtl871x_ioctl_linux.c:21: drivers/staging/rtl8712/ieee80211.h:566:1: warning: alignment 1 of 'struct ieee80211_authentication' is less than 2 [-Wpacked-not-aligned] 566 | } __packed; | ^ drivers/staging/rtl8712/ieee80211.h:574:1: warning: alignment 1 of 'struct ieee80211_probe_response' is less than 2 [-Wpacked-not-aligned] 574 | } __packed; | ^ drivers/staging/rtl8712/ieee80211.h:578:1: warning: alignment 1 of 'struct ieee80211_probe_request' is less than 2 [-Wpacked-not-aligned] 578 | } __packed; | ^ drivers/staging/rtl8712/ieee80211.h:585:1: warning: alignment 1 of 'struct ieee80211_assoc_request_frame' is less than 2 [-Wpacked-not-aligned] 585 | } __packed; | ^ drivers/staging/rtl8712/ieee80211.h:592:1: warning: alignment 1 of 'struct ieee80211_assoc_response_frame' is less than 2 [-Wpacked-not-aligned] 592 | } __packed; | ^ In file included from drivers/staging/rtl8712/osdep_service.h:31, from drivers/staging/rtl8712/rtl871x_ioctl_linux.c:20: drivers/staging/rtl8712/rtl871x_ioctl_linux.c: In function 'wpa_set_encryption': 24 | #define FIELD_OFFSET(s, field) ((addr_t)&(((s) *)(0))->(field)) | ^ 413 | FIELD_OFFSET(struct NDIS_802_11_WEP, KeyMaterial); | ^~~~~~~~~~~~ drivers/staging/rtl8712/rtl871x_ioctl_linux.c: In function 'r8711_wx_set_enc': 24 | #define FIELD_OFFSET(s, field) ((addr_t)&(((s) *)(0))->(field)) | ^ drivers/staging/rtl8712/rtl871x_ioctl_linux.c:1561:9: note: in expansion of macro 'FIELD_OFFSET' 1561 | FIELD_OFFSET(struct NDIS_802_11_WEP, KeyMaterial); | ^~~~~~~~~~~~ In file included from drivers/staging/rtl8712/rtl871x_ioctl_linux.c:28: At top level: drivers/staging/rtl8712/rtl871x_mp_ioctl.h:256:34: warning: 'oid_rtl_seg_81_85' defined but not used [-Wunused-const-variable=] 256 | static const struct oid_obj_priv oid_rtl_seg_81_85[] = { | ^~~~~~~~~~~~~~~~~ drivers/staging/rtl8712/rtl871x_mp_ioctl.h:249:34: warning: 'oid_rtl_seg_81_80_80' defined but not used [-Wunused-const-variable=] 249 | static const struct oid_obj_priv oid_rtl_seg_81_80_80[] = { | ^~~~~~~~~~~~~~~~~~~~ drivers/staging/rtl8712/rtl871x_mp_ioctl.h:240:34: warning: 'oid_rtl_seg_81_80_40' defined but not used [-Wunused-const-variable=] 240 | static const struct oid_obj_priv oid_rtl_seg_81_80_40[] = { | ^~~~~~~~~~~~~~~~~~~~ drivers/staging/rtl8712/rtl871x_mp_ioctl.h:205:34: warning: 'oid_rtl_seg_81_80_20' defined but not used [-Wunused-const-variable=] 205 | static const struct oid_obj_priv oid_rtl_seg_81_80_20[] = { | ^~~~~~~~~~~~~~~~~~~~ drivers/staging/rtl8712/rtl871x_mp_ioctl.h:138:34: warning: 'oid_rtl_seg_81_80_00' defined but not used [-Wunused-const-variable=] 138 | static const struct oid_obj_priv oid_rtl_seg_81_80_00[] = { | ^~~~~~~~~~~~~~~~~~~~ vim +24 drivers/staging/rtl8712/basic_types.h 21 22 #define SIZE_T __kernel_size_t 23 #define sint signed int 25 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org