Hi Emmanuel, Thank you for the patch! Yet something to improve: [auto build test ERROR on mac80211-next/master] [also build test ERROR on mac80211/master v5.13-rc6 next-20210616] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Emmanuel-Grumbach/cfg80211-expos... base: https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git master config: ia64-randconfig-r015-20210615 (attached as .config) compiler: ia64-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://github.com/0day-ci/linux/commit/8b25a459eed15aebc25c2ce0a5bf20fea... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Emmanuel-Grumbach/cfg80211-expose-the-rfkill-device-to-the-low-level-driver/20210616-211511 git checkout 8b25a459eed15aebc25c2ce0a5bf20fea8eab638 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 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 >>): In file included from drivers/net/wireless/intel/ipw2x00/libipw.h:30, from drivers/net/wireless/intel/ipw2x00/ipw2100.h:35, from drivers/net/wireless/intel/ipw2x00/ipw2100.c:154: include/net/cfg80211.h: In function 'wiphy_rfkill_stop_polling': 6669 | rfkill_pause_polling(wiphy->rfkill); | ^~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/intel/ipw2x00/ipw2100.c: In function 'isr_indicate_associated': drivers/net/wireless/intel/ipw2x00/ipw2100.c:1992:8: warning: variable 'txratename' set but not used [-Wunused-but-set-variable] 1992 | char *txratename; | ^~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from drivers/net/wireless/intel/ipw2x00/libipw.h:30, from drivers/net/wireless/intel/ipw2x00/ipw2200.h:42, from drivers/net/wireless/intel/ipw2x00/ipw2200.c:22: include/net/cfg80211.h: In function 'wiphy_rfkill_stop_polling': 6669 | rfkill_pause_polling(wiphy->rfkill); | ^~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/intel/ipw2x00/ipw2200.c: In function 'ipw_fw_dma_dump_command_block': drivers/net/wireless/intel/ipw2x00/ipw2200.c:2822:6: warning: variable 'register_value' set but not used [-Wunused-but-set-variable] 2822 | u32 register_value = 0; | ^~~~~~~~~~~~~~ drivers/net/wireless/intel/ipw2x00/ipw2200.c: In function 'ipw_is_qos_active': drivers/net/wireless/intel/ipw2x00/ipw2200.c:7154:14: warning: variable 'supported' set but not used [-Wunused-but-set-variable] 7154 | int active, supported; | ^~~~~~~~~ cc1: some warnings being treated as errors -- In file included from drivers/net/wireless/intel/ipw2x00/libipw.h:30, from drivers/net/wireless/intel/ipw2x00/libipw_module.c:39: include/net/cfg80211.h: In function 'wiphy_rfkill_stop_polling': 6669 | rfkill_pause_polling(wiphy->rfkill); | ^~~~~~~~~~~~~~~~~~~~ At top level: drivers/net/wireless/intel/ipw2x00/libipw_module.c:243:30: warning: 'debug_level_proc_ops' defined but not used [-Wunused-const-variable=] 243 | static const struct proc_ops debug_level_proc_ops = { | ^~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from drivers/net/wireless/intel/ipw2x00/libipw.h:30, from drivers/net/wireless/intel/ipw2x00/libipw_tx.c:30: include/net/cfg80211.h: In function 'wiphy_rfkill_stop_polling': 6669 | rfkill_pause_polling(wiphy->rfkill); | ^~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from net/wireless/core.c:26: include/net/cfg80211.h: In function 'wiphy_rfkill_stop_polling': 6669 | rfkill_pause_polling(wiphy->rfkill); | ^~~~~~~~~~~~~~~~~~~~ In file included from net/wireless/core.h:14, from net/wireless/nl80211.h:9, from net/wireless/core.c:27: include/linux/rfkill.h: At top level: 110 | void rfkill_pause_polling(struct rfkill *rfkill); | ^~~~~~~~~~~~~~~~~~~~ In file included from net/wireless/core.c:26: include/net/cfg80211.h:6669:2: note: previous implicit declaration of 'rfkill_pause_polling' was here 6669 | rfkill_pause_polling(wiphy->rfkill); | ^~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from net/wireless/trace.h:12, from net/wireless/trace.c:5: include/net/cfg80211.h: In function 'wiphy_rfkill_stop_polling': 6669 | rfkill_pause_polling(wiphy->rfkill); | ^~~~~~~~~~~~~~~~~~~~ In file included from net/wireless/core.h:14, from net/wireless/trace.h:13, from net/wireless/trace.c:5: include/linux/rfkill.h: At top level: 110 | void rfkill_pause_polling(struct rfkill *rfkill); | ^~~~~~~~~~~~~~~~~~~~ In file included from net/wireless/trace.h:12, from net/wireless/trace.c:5: include/net/cfg80211.h:6669:2: note: previous implicit declaration of 'rfkill_pause_polling' was here 6669 | rfkill_pause_polling(wiphy->rfkill); | ^~~~~~~~~~~~~~~~~~~~ In file included from net/wireless/trace.h:3574, from net/wireless/trace.c:5: include/trace/define_trace.h:95:42: fatal error: ./trace.h: No such file or directory 95 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) | ^ cc1: some warnings being treated as errors compilation terminated. vim +/rfkill_pause_polling +6669 include/net/cfg80211.h 6662 6663 /** 6664 * wiphy_rfkill_stop_polling - stop polling rfkill 6665 * @wiphy: the wiphy 6666 */ 6667 static inline void wiphy_rfkill_stop_polling(struct wiphy *wiphy) 6668 { 6670 } 6671 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org