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Date: Sat, 27 Nov 2021 09:24:47 +0800
From: kernel test robot <lkp@...el.com>
To: Ayala Beker <ayala.beker@...el.com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org,
Luca Coelho <luciano.coelho@...el.com>
Subject: [iwlwifi-next:mac80211-next 4/5] net/wireless/scan.c:1803:6: error:
use of undeclared identifier 'channel'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next.git mac80211-next
head: 690c735dc56561a2cf331dcded3eecdbad1edd7f
commit: 8efcf18569753acc522e58966fedd773ad358ee3 [4/5] cfg80211: Use the HE operation IE to determine a 6GHz BSS channel
config: arm-randconfig-r011-20211126 (https://download.01.org/0day-ci/archive/20211127/202111270902.oVy0Aumb-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5162b558d8c0b542e752b037e72a69d5fd51eb1e)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next.git/commit/?id=8efcf18569753acc522e58966fedd773ad358ee3
git remote add iwlwifi-next https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next.git
git fetch --no-tags iwlwifi-next mac80211-next
git checkout 8efcf18569753acc522e58966fedd773ad358ee3
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash net/wireless/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
>> net/wireless/scan.c:1803:6: error: use of undeclared identifier 'channel'
if (channel->band == NL80211_BAND_6GHZ) {
^
net/wireless/scan.c:1815:12: error: use of undeclared identifier 'channel'
return channel;
^
>> net/wireless/scan.c:1817:4: error: use of undeclared identifier 'freq'
freq = ieee80211_channel_to_frequency(he_6ghz_oper->primary,
^
net/wireless/scan.c:1824:12: error: use of undeclared identifier 'freq'
abs(freq - channel->center_freq) <= 80 &&
^
net/wireless/scan.c:1824:19: error: use of undeclared identifier 'channel'
abs(freq - channel->center_freq) <= 80 &&
^
net/wireless/scan.c:1824:12: error: use of undeclared identifier 'freq'
abs(freq - channel->center_freq) <= 80 &&
^
net/wireless/scan.c:1824:19: error: use of undeclared identifier 'channel'
abs(freq - channel->center_freq) <= 80 &&
^
net/wireless/scan.c:1823:8: error: use of undeclared identifier 'freq'
if (freq != channel->center_freq &&
^
net/wireless/scan.c:1823:16: error: use of undeclared identifier 'channel'
if (freq != channel->center_freq &&
^
>> net/wireless/scan.c:1825:9: error: use of undeclared identifier 'ftype'; did you mean '_ctype'?
(ftype != CFG80211_BSS_FTYPE_BEACON ||
^~~~~
_ctype
include/linux/ctype.h:21:28: note: '_ctype' declared here
extern const unsigned char _ctype[];
^
10 errors generated.
vim +/channel +1803 net/wireless/scan.c
1796
1797 int cfg80211_get_ies_channel_number(const u8 *ie, size_t ielen,
1798 enum nl80211_band band)
1799 {
1800 const u8 *tmp;
1801 int channel_number = -1;
1802
> 1803 if (channel->band == NL80211_BAND_6GHZ) {
1804 const struct element *elem;
1805
1806 elem = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_OPERATION, ie,
1807 ielen);
1808 if (elem && elem->datalen >= ieee80211_he_oper_size(&elem->data[1])) {
1809 struct ieee80211_he_operation *he_oper =
1810 (void *)(&elem->data[1]);
1811 const struct ieee80211_he_6ghz_oper *he_6ghz_oper;
1812
1813 he_6ghz_oper = ieee80211_he_6ghz_oper(he_oper);
1814 if (!he_6ghz_oper)
1815 return channel;
1816
> 1817 freq = ieee80211_channel_to_frequency(he_6ghz_oper->primary,
1818 NL80211_BAND_6GHZ);
1819
1820 /* duplicated beacon indication is relevant for beacons
1821 * only
1822 */
1823 if (freq != channel->center_freq &&
1824 abs(freq - channel->center_freq) <= 80 &&
> 1825 (ftype != CFG80211_BSS_FTYPE_BEACON ||
1826 he_6ghz_oper->control & IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON))
1827 channel_number = he_6ghz_oper->primary;
1828 }
1829 } else if (band == NL80211_BAND_S1GHZ) {
1830 tmp = cfg80211_find_ie(WLAN_EID_S1G_OPERATION, ie, ielen);
1831 if (tmp && tmp[1] >= sizeof(struct ieee80211_s1g_oper_ie)) {
1832 struct ieee80211_s1g_oper_ie *s1gop = (void *)(tmp + 2);
1833
1834 channel_number = s1gop->primary_ch;
1835 }
1836 } else {
1837 tmp = cfg80211_find_ie(WLAN_EID_DS_PARAMS, ie, ielen);
1838 if (tmp && tmp[1] == 1) {
1839 channel_number = tmp[2];
1840 } else {
1841 tmp = cfg80211_find_ie(WLAN_EID_HT_OPERATION, ie, ielen);
1842 if (tmp && tmp[1] >= sizeof(struct ieee80211_ht_operation)) {
1843 struct ieee80211_ht_operation *htop = (void *)(tmp + 2);
1844
1845 channel_number = htop->primary_chan;
1846 }
1847 }
1848 }
1849
1850 return channel_number;
1851 }
1852 EXPORT_SYMBOL(cfg80211_get_ies_channel_number);
1853
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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