[kbuild-all] drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c:3002:63: sparse: sparse: incorrect type in argument 2 (different address spaces)

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1df0d8960499e58963fd6c8ac75e544f2b417b29 commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 3 weeks ago config: i386-randconfig-s002-20200712 (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-37-gc9676a3b-dirty git checkout 670d0a4b10704667765f7d18f7592993d02783aa # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/net/wireless/intel/iwlwifi/mvm/..//fw/file.h:330:19: sparse: sparse: mixed bitwiseness drivers/net/wireless/intel/iwlwifi/mvm/..//fw/file.h:484:19: sparse: sparse: mixed bitwiseness drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c:3002:63: sparse: expected unsigned char const [usertype] *ies drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c:3003:38: sparse: sparse: dereference of noderef expression drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c:3003:38: sparse: sparse: dereference of noderef expression vim +3002 drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c 4f58121dc40a1d Ilan Peer 2019-05-19 2994 4f58121dc40a1d Ilan Peer 2019-05-19 2995 static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy, 4f58121dc40a1d Ilan Peer 2019-05-19 2996 struct cfg80211_bss *bss, 4f58121dc40a1d Ilan Peer 2019-05-19 2997 void *_data) 4f58121dc40a1d Ilan Peer 2019-05-19 2998 { 4f58121dc40a1d Ilan Peer 2019-05-19 2999 struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data; 4f58121dc40a1d Ilan Peer 2019-05-19 3000 const struct element *elem; 4f58121dc40a1d Ilan Peer 2019-05-19 3001 4f58121dc40a1d Ilan Peer 2019-05-19 @3002 elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, bss->ies->data, 4f58121dc40a1d Ilan Peer 2019-05-19 3003 bss->ies->len); 4f58121dc40a1d Ilan Peer 2019-05-19 3004 4f58121dc40a1d Ilan Peer 2019-05-19 3005 if (!elem || elem->datalen < 10 || 4f58121dc40a1d Ilan Peer 2019-05-19 3006 !(elem->data[10] & 4f58121dc40a1d Ilan Peer 2019-05-19 3007 WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) { 4f58121dc40a1d Ilan Peer 2019-05-19 3008 data->tolerated = false; 4f58121dc40a1d Ilan Peer 2019-05-19 3009 } 4f58121dc40a1d Ilan Peer 2019-05-19 3010 } 4f58121dc40a1d Ilan Peer 2019-05-19 3011 :::::: The code at line 3002 was first introduced by commit :::::: 4f58121dc40a1d5dd2f630a5ec4dac5afa1ce3f4 iwlwifi: mvm: Block 26-tone RU OFDMA transmissions :::::: TO: Ilan Peer <ilan.peer(a)intel.com&gt; :::::: CC: Luca Coelho <luciano.coelho(a)intel.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org