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Date: Wed, 1 Dec 2021 17:29:15 +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, 0day robot <lkp@...el.com>,
Luca Coelho <luciano.coelho@...el.com>
Subject: net/wireless/scan.c:1801:6: error: use of undeclared identifier
'channel'
tree: https://github.com/0day-ci/linux/commits/UPDATE-20211130-192005/Luca-Coelho/cfg80211-mac80211-patches-from-our-internal-tree-2021-11-29/20211129-213704
head: f4120354927ddc6644f1356a4f0744c1cd2010d2
commit: 7c19322131f8862f2827dc281b380e4d675740aa cfg80211: Use the HE operation IE to determine a 6GHz BSS channel
date: 22 hours ago
config: arm-randconfig-c002-20211201 (https://download.01.org/0day-ci/archive/20211201/202112011713.xTG8PaIt-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 25eb7fa01d7ebbe67648ea03841cda55b4239ab2)
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://github.com/0day-ci/linux/commit/7c19322131f8862f2827dc281b380e4d675740aa
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review UPDATE-20211130-192005/Luca-Coelho/cfg80211-mac80211-patches-from-our-internal-tree-2021-11-29/20211129-213704
git checkout 7c19322131f8862f2827dc281b380e4d675740aa
# 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:1801:6: error: use of undeclared identifier 'channel'
if (channel->band == NL80211_BAND_6GHZ) {
^
net/wireless/scan.c:1813:12: error: use of undeclared identifier 'channel'
return channel;
^
>> net/wireless/scan.c:1815:4: error: use of undeclared identifier 'freq'
freq = ieee80211_channel_to_frequency(he_6ghz_oper->primary,
^
net/wireless/scan.c:1822:12: error: use of undeclared identifier 'freq'
abs(freq - channel->center_freq) <= 80 &&
^
net/wireless/scan.c:1822:19: error: use of undeclared identifier 'channel'
abs(freq - channel->center_freq) <= 80 &&
^
net/wireless/scan.c:1822:12: error: use of undeclared identifier 'freq'
abs(freq - channel->center_freq) <= 80 &&
^
net/wireless/scan.c:1822:19: error: use of undeclared identifier 'channel'
abs(freq - channel->center_freq) <= 80 &&
^
net/wireless/scan.c:1821:8: error: use of undeclared identifier 'freq'
if (freq != channel->center_freq &&
^
net/wireless/scan.c:1821:16: error: use of undeclared identifier 'channel'
if (freq != channel->center_freq &&
^
>> net/wireless/scan.c:1823:9: 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 +1801 net/wireless/scan.c
1794
1795 int cfg80211_get_ies_channel_number(const u8 *ie, size_t ielen,
1796 enum nl80211_band band)
1797 {
1798 const u8 *tmp;
1799 int channel_number = -1;
1800
> 1801 if (channel->band == NL80211_BAND_6GHZ) {
1802 const struct element *elem;
1803
1804 elem = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_OPERATION, ie,
1805 ielen);
1806 if (elem && elem->datalen >= ieee80211_he_oper_size(&elem->data[1])) {
1807 struct ieee80211_he_operation *he_oper =
1808 (void *)(&elem->data[1]);
1809 const struct ieee80211_he_6ghz_oper *he_6ghz_oper;
1810
1811 he_6ghz_oper = ieee80211_he_6ghz_oper(he_oper);
1812 if (!he_6ghz_oper)
1813 return channel;
1814
> 1815 freq = ieee80211_channel_to_frequency(he_6ghz_oper->primary,
1816 NL80211_BAND_6GHZ);
1817
1818 /* duplicated beacon indication is relevant for beacons
1819 * only
1820 */
1821 if (freq != channel->center_freq &&
1822 abs(freq - channel->center_freq) <= 80 &&
> 1823 (ftype != CFG80211_BSS_FTYPE_BEACON ||
1824 he_6ghz_oper->control & IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON))
1825 channel_number = he_6ghz_oper->primary;
1826 }
1827 } else if (band == NL80211_BAND_S1GHZ) {
1828 tmp = cfg80211_find_ie(WLAN_EID_S1G_OPERATION, ie, ielen);
1829 if (tmp && tmp[1] >= sizeof(struct ieee80211_s1g_oper_ie)) {
1830 struct ieee80211_s1g_oper_ie *s1gop = (void *)(tmp + 2);
1831
1832 channel_number = s1gop->primary_ch;
1833 }
1834 } else {
1835 tmp = cfg80211_find_ie(WLAN_EID_DS_PARAMS, ie, ielen);
1836 if (tmp && tmp[1] == 1) {
1837 channel_number = tmp[2];
1838 } else {
1839 tmp = cfg80211_find_ie(WLAN_EID_HT_OPERATION, ie, ielen);
1840 if (tmp && tmp[1] >= sizeof(struct ieee80211_ht_operation)) {
1841 struct ieee80211_ht_operation *htop = (void *)(tmp + 2);
1842
1843 channel_number = htop->primary_chan;
1844 }
1845 }
1846 }
1847
1848 return channel_number;
1849 }
1850 EXPORT_SYMBOL(cfg80211_get_ies_channel_number);
1851
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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