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 <l...@intel.com>
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: sparse:
>> incorrect type in argument 2 (different address spaces) @@ expected
>> unsigned char const [usertype] *ies @@ got unsigned char const [noderef]
>> __rcu * @@
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:3002:63: sparse: got
>> unsigned char const [noderef] __rcu *
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.p...@intel.com>
:::::: CC: Luca Coelho <luciano.coe...@intel.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
