net/wireless/scan.c:1801:13: error: 'channel' undeclared

From: kernel test robot
Date: Thu Dec 02 2021 - 14:46:47 EST

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tree: https://github.com/0day-ci/linux/commits/UPDATE-20211202-212646/Luca-Coelho/cfg80211-mac80211-patches-from-our-internal-tree-2021-11-29/20211129-213704
head: 461abce0c1b19527fb902433bfdca9524f3f4af7
commit: 080325ec300ebf29168a08ed5924c5730c0bb980 cfg80211: Use the HE operation IE to determine a 6GHz BSS channel
date: 6 hours ago
config: m68k-randconfig-r035-20211202 (https://download.01.org/0day-ci/archive/20211203/202112030331.PvPiXKbK-lkp@xxxxxxxxx/config)
compiler: m68k-linux-gcc (GCC) 11.2.0
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/080325ec300ebf29168a08ed5924c5730c0bb980
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review UPDATE-20211202-212646/Luca-Coelho/cfg80211-mac80211-patches-from-our-internal-tree-2021-11-29/20211129-213704
git checkout 080325ec300ebf29168a08ed5924c5730c0bb980
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash net/wireless/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

net/wireless/scan.c: In function 'cfg80211_get_ies_channel_number':
>> net/wireless/scan.c:1801:13: error: 'channel' undeclared (first use in this function)
1801 | if (channel->band == NL80211_BAND_6GHZ) {
| ^~~~~~~
net/wireless/scan.c:1801:13: note: each undeclared identifier is reported only once for each function it appears in
>> net/wireless/scan.c:1815:25: error: 'freq' undeclared (first use in this function); did you mean 'ifreq'?
1815 | freq = ieee80211_channel_to_frequency(he_6ghz_oper->primary,
| ^~~~
| ifreq
In file included from include/linux/kernel.h:16,
from net/wireless/scan.c:10:
>> include/linux/math.h:136:17: error: first argument to '__builtin_choose_expr' not a constant
136 | __builtin_choose_expr( \
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/math.h:144:61: note: in definition of macro '__abs_choose_expr'
144 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
| ^~~~~
include/linux/math.h:132:17: note: in expansion of macro '__abs_choose_expr'
132 | __abs_choose_expr(x, long, \
| ^~~~~~~~~~~~~~~~~
include/linux/math.h:133:17: note: in expansion of macro '__abs_choose_expr'
133 | __abs_choose_expr(x, int, \
| ^~~~~~~~~~~~~~~~~
include/linux/math.h:134:17: note: in expansion of macro '__abs_choose_expr'
134 | __abs_choose_expr(x, short, \
| ^~~~~~~~~~~~~~~~~
include/linux/math.h:135:17: note: in expansion of macro '__abs_choose_expr'
135 | __abs_choose_expr(x, char, \
| ^~~~~~~~~~~~~~~~~
net/wireless/scan.c:1822:29: note: in expansion of macro 'abs'
1822 | abs(freq - channel->center_freq) <= 80 &&
| ^~~
include/linux/math.h:141:43: error: first argument to '__builtin_choose_expr' not a constant
141 | #define __abs_choose_expr(x, type, other) __builtin_choose_expr( \
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/math.h:144:61: note: in definition of macro '__abs_choose_expr'
144 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
| ^~~~~
include/linux/math.h:132:17: note: in expansion of macro '__abs_choose_expr'
132 | __abs_choose_expr(x, long, \
| ^~~~~~~~~~~~~~~~~
include/linux/math.h:133:17: note: in expansion of macro '__abs_choose_expr'
133 | __abs_choose_expr(x, int, \
| ^~~~~~~~~~~~~~~~~
include/linux/math.h:134:17: note: in expansion of macro '__abs_choose_expr'
134 | __abs_choose_expr(x, short, \
| ^~~~~~~~~~~~~~~~~
include/linux/math.h:135:17: note: in expansion of macro '__abs_choose_expr'
135 | __abs_choose_expr(x, char, \
| ^~~~~~~~~~~~~~~~~
net/wireless/scan.c:1822:29: note: in expansion of macro 'abs'
1822 | abs(freq - channel->center_freq) <= 80 &&
| ^~~
include/linux/math.h:141:43: error: first argument to '__builtin_choose_expr' not a constant
141 | #define __abs_choose_expr(x, type, other) __builtin_choose_expr( \
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/math.h:144:61: note: in definition of macro '__abs_choose_expr'
144 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
| ^~~~~
include/linux/math.h:132:17: note: in expansion of macro '__abs_choose_expr'
132 | __abs_choose_expr(x, long, \
| ^~~~~~~~~~~~~~~~~
include/linux/math.h:133:17: note: in expansion of macro '__abs_choose_expr'
133 | __abs_choose_expr(x, int, \
| ^~~~~~~~~~~~~~~~~
include/linux/math.h:134:17: note: in expansion of macro '__abs_choose_expr'
134 | __abs_choose_expr(x, short, \
| ^~~~~~~~~~~~~~~~~
net/wireless/scan.c:1822:29: note: in expansion of macro 'abs'
1822 | abs(freq - channel->center_freq) <= 80 &&
| ^~~
include/linux/math.h:141:43: error: first argument to '__builtin_choose_expr' not a constant
141 | #define __abs_choose_expr(x, type, other) __builtin_choose_expr( \
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/math.h:144:61: note: in definition of macro '__abs_choose_expr'
144 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
| ^~~~~
include/linux/math.h:132:17: note: in expansion of macro '__abs_choose_expr'
132 | __abs_choose_expr(x, long, \
| ^~~~~~~~~~~~~~~~~
include/linux/math.h:133:17: note: in expansion of macro '__abs_choose_expr'
133 | __abs_choose_expr(x, int, \
| ^~~~~~~~~~~~~~~~~
net/wireless/scan.c:1822:29: note: in expansion of macro 'abs'
1822 | abs(freq - channel->center_freq) <= 80 &&
| ^~~
include/linux/math.h:141:43: error: first argument to '__builtin_choose_expr' not a constant
141 | #define __abs_choose_expr(x, type, other) __builtin_choose_expr( \
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/math.h:144:61: note: in definition of macro '__abs_choose_expr'
144 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
| ^~~~~
include/linux/math.h:132:17: note: in expansion of macro '__abs_choose_expr'
132 | __abs_choose_expr(x, long, \
| ^~~~~~~~~~~~~~~~~
net/wireless/scan.c:1822:29: note: in expansion of macro 'abs'
1822 | abs(freq - channel->center_freq) <= 80 &&
| ^~~
include/linux/math.h:141:43: error: first argument to '__builtin_choose_expr' not a constant
141 | #define __abs_choose_expr(x, type, other) __builtin_choose_expr( \
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/math.h:131:17: note: in expansion of macro '__abs_choose_expr'
131 | #define abs(x) __abs_choose_expr(x, long long, \
| ^~~~~~~~~~~~~~~~~
net/wireless/scan.c:1822:29: note: in expansion of macro 'abs'
1822 | abs(freq - channel->center_freq) <= 80 &&
| ^~~
>> net/wireless/scan.c:1823:30: error: 'ftype' undeclared (first use in this function); did you mean '_ctype'?
1823 | (ftype != CFG80211_BSS_FTYPE_BEACON ||
| ^~~~~
| _ctype

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@xxxxxxxxxxxx

Next message: Alan Stern: "Re: [PATCH 1/4] Docs: usb: update usb_bulk_msg receiving example"
Previous message: Guenter Roeck: "Re: [PATCH v2 2/5] MIPS: ralink: implement 'pcibios_root_bridge_prepare()'"
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