tree: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git mld head: d7de9813d17ee0522e30489f3228f2e3a456ff0a commit: d7de9813d17ee0522e30489f3228f2e3a456ff0a [23/23] mac80211: reorg some iface data structs for MLD config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20220517/202205170246.inGN6Zt9-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 11.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git/commit/?id=d7de9813d17ee0522e30489f3228f2e3a456ff0a git remote add wireless-next https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git git fetch --no-tags wireless-next mld git checkout d7de9813d17ee0522e30489f3228f2e3a456ff0a # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=alpha SHELL=/bin/bash net/mac80211/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): net/mac80211/tx.c: In function 'ieee80211_pspoll_get': >> net/mac80211/tx.c:5367:38: warning: variable 'ifmgd' set but not used [-Wunused-but-set-variable] 5367 | struct ieee80211_if_managed *ifmgd; | ^~~~~ net/mac80211/tx.c: In function 'ieee80211_nullfunc_get': net/mac80211/tx.c:5406:38: warning: variable 'ifmgd' set but not used [-Wunused-but-set-variable] 5406 | struct ieee80211_if_managed *ifmgd; | ^~~~~ vim +/ifmgd +5367 net/mac80211/tx.c 632189a0180fda Aloka Dixit 2020-09-11 5362 7044cc565b45a8 Kalle Valo 2010-01-05 5363 struct sk_buff *ieee80211_pspoll_get(struct ieee80211_hw *hw, 7044cc565b45a8 Kalle Valo 2010-01-05 5364 struct ieee80211_vif *vif) 7044cc565b45a8 Kalle Valo 2010-01-05 5365 { 7044cc565b45a8 Kalle Valo 2010-01-05 5366 struct ieee80211_sub_if_data *sdata; 7044cc565b45a8 Kalle Valo 2010-01-05 @5367 struct ieee80211_if_managed *ifmgd; 7044cc565b45a8 Kalle Valo 2010-01-05 5368 struct ieee80211_pspoll *pspoll; 7044cc565b45a8 Kalle Valo 2010-01-05 5369 struct ieee80211_local *local; 7044cc565b45a8 Kalle Valo 2010-01-05 5370 struct sk_buff *skb; 7044cc565b45a8 Kalle Valo 2010-01-05 5371 7044cc565b45a8 Kalle Valo 2010-01-05 5372 if (WARN_ON(vif->type != NL80211_IFTYPE_STATION)) 7044cc565b45a8 Kalle Valo 2010-01-05 5373 return NULL; 7044cc565b45a8 Kalle Valo 2010-01-05 5374 7044cc565b45a8 Kalle Valo 2010-01-05 5375 sdata = vif_to_sdata(vif); 7044cc565b45a8 Kalle Valo 2010-01-05 5376 ifmgd = &sdata->u.mgd; 7044cc565b45a8 Kalle Valo 2010-01-05 5377 local = sdata->local; 7044cc565b45a8 Kalle Valo 2010-01-05 5378 7044cc565b45a8 Kalle Valo 2010-01-05 5379 skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*pspoll)); d15b84590a1d2e Joe Perches 2011-08-29 5380 if (!skb) 7044cc565b45a8 Kalle Valo 2010-01-05 5381 return NULL; d15b84590a1d2e Joe Perches 2011-08-29 5382 7044cc565b45a8 Kalle Valo 2010-01-05 5383 skb_reserve(skb, local->hw.extra_tx_headroom); 7044cc565b45a8 Kalle Valo 2010-01-05 5384 b080db585384b9 Johannes Berg 2017-06-16 5385 pspoll = skb_put_zero(skb, sizeof(*pspoll)); 7044cc565b45a8 Kalle Valo 2010-01-05 5386 pspoll->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL | 7044cc565b45a8 Kalle Valo 2010-01-05 5387 IEEE80211_STYPE_PSPOLL); cb8723de122ee2 Johannes Berg 2022-05-10 5388 pspoll->aid = cpu_to_le16(sdata->vif.cfg.aid); 7044cc565b45a8 Kalle Valo 2010-01-05 5389 7044cc565b45a8 Kalle Valo 2010-01-05 5390 /* aid in PS-Poll has its two MSBs each set to 1 */ 7044cc565b45a8 Kalle Valo 2010-01-05 5391 pspoll->aid |= cpu_to_le16(1 << 15 | 1 << 14); 7044cc565b45a8 Kalle Valo 2010-01-05 5392 d7de9813d17ee0 Johannes Berg 2022-05-16 5393 memcpy(pspoll->bssid, sdata->deflink.u.mgd.bssid, ETH_ALEN); 7044cc565b45a8 Kalle Valo 2010-01-05 5394 memcpy(pspoll->ta, vif->addr, ETH_ALEN); 7044cc565b45a8 Kalle Valo 2010-01-05 5395 7044cc565b45a8 Kalle Valo 2010-01-05 5396 return skb; 7044cc565b45a8 Kalle Valo 2010-01-05 5397 } 7044cc565b45a8 Kalle Valo 2010-01-05 5398 EXPORT_SYMBOL(ieee80211_pspoll_get); 7044cc565b45a8 Kalle Valo 2010-01-05 5399 :::::: The code at line 5367 was first introduced by commit :::::: 7044cc565b45a898c140fb185174a66f2d68a163 mac80211: add functions to create PS Poll and Nullfunc templates :::::: TO: Kalle Valo <kalle.valo@xxxxxxxxx> :::::: CC: John W. Linville <linville@xxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://01.org/lkp
