Hi Lachlan, kernel test robot noticed the following build warnings: https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Lachlan-Hodges/wifi-mac80211-increase-scan_ies_len-for-S1G/20250822-142135 base: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main patch link: https://lore.kernel.org/r/20250822062020.904196-1-lachlan.hodges%40morsemicro.com patch subject: [PATCH wireless] wifi: mac80211: increase scan_ies_len for S1G config: x86_64-randconfig-161-20250825 (https://download.01.org/0day-ci/archive/20250825/202508251233.r1IFboEm-lkp@xxxxxxxxx/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> | Closes: https://lore.kernel.org/r/202508251233.r1IFboEm-lkp@xxxxxxxxx/ New smatch warnings: net/mac80211/main.c:1277 ieee80211_register_hw() error: uninitialized symbol 'supp_s1g'. vim +/supp_s1g +1277 net/mac80211/main.c de95a54b1aebe5 net/mac80211/main.c Johannes Berg 2009-04-01 1262 69e0d04e2b0b3a net/mac80211/main.c Johannes Berg 2022-09-30 1263 /* 69e0d04e2b0b3a net/mac80211/main.c Johannes Berg 2022-09-30 1264 * Due to the way the aggregation code handles this and it 69e0d04e2b0b3a net/mac80211/main.c Johannes Berg 2022-09-30 1265 * being an HT capability, we can't really support delayed 69e0d04e2b0b3a net/mac80211/main.c Johannes Berg 2022-09-30 1266 * BA in MLO (yet). 69e0d04e2b0b3a net/mac80211/main.c Johannes Berg 2022-09-30 1267 */ 69e0d04e2b0b3a net/mac80211/main.c Johannes Berg 2022-09-30 1268 if (WARN_ON(sband->ht_cap.ht_supported && 69e0d04e2b0b3a net/mac80211/main.c Johannes Berg 2022-09-30 1269 (sband->ht_cap.cap & IEEE80211_HT_CAP_DELAY_BA) && 69e0d04e2b0b3a net/mac80211/main.c Johannes Berg 2022-09-30 1270 hw->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO)) 69e0d04e2b0b3a net/mac80211/main.c Johannes Berg 2022-09-30 1271 return -EINVAL; 69e0d04e2b0b3a net/mac80211/main.c Johannes Berg 2022-09-30 1272 de95a54b1aebe5 net/mac80211/main.c Johannes Berg 2009-04-01 1273 if (max_bitrates < sband->n_bitrates) de95a54b1aebe5 net/mac80211/main.c Johannes Berg 2009-04-01 1274 max_bitrates = sband->n_bitrates; 5ef2d41afb7fce net/mac80211/main.c Johannes Berg 2009-03-31 1275 supp_ht = supp_ht || sband->ht_cap.ht_supported; ba0afa2f22e1e3 net/mac80211/main.c Mahesh Palivela 2012-07-02 1276 supp_vht = supp_vht || sband->vht_cap.vht_supported; 0eafa59746812a net/mac80211/main.c Lachlan Hodges 2025-08-22 @1277 supp_s1g = supp_s1g || sband->s1g_cap.s1g; ^^^^^^^^ Initialize supp_s1g to 0 at the start of the function. 04ecd2578e712c net/mac80211/main.c Johannes Berg 2012-09-11 1278 e8c1841278a783 net/mac80211/main.c Johannes Berg 2023-08-28 1279 for_each_sband_iftype_data(sband, i, iftd) { f04d2c247e0407 net/mac80211/main.c Johannes Berg 2024-01-11 1280 u8 he_40_mhz_cap; -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki