Hi Issam, kernel test robot noticed the following build warnings: [auto build test WARNING on dfc14664794a4706e0c2186a0c082386e6b14c4d] url: https://github.com/intel-lab-lkp/linux/commits/Issam-Hamdi/wifi-mac80211-fix-mbss-changed-flags-corruption-on-32-bit-systems/20241121-150801 base: dfc14664794a4706e0c2186a0c082386e6b14c4d patch link: https://lore.kernel.org/r/20241118125640.1110502-1-ih%40simonwunderlich.de patch subject: [PATCH v2] wifi: mac80211: fix mbss changed flags corruption on 32 bit systems config: arm64-randconfig-004-20241122 (https://download.01.org/0day-ci/archive/20241122/202411220516.wuQOEE8t-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241122/202411220516.wuQOEE8t-lkp@xxxxxxxxx/reproduce) 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> | Closes: https://lore.kernel.org/oe-kbuild-all/202411220516.wuQOEE8t-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): net/mac80211/mesh.c: In function 'ieee80211_mbss_info_change_notify': >> net/mac80211/mesh.c:1163:13: warning: the address of 'bits' will always evaluate as 'true' [-Waddress] 1163 | if (!bits) | ^ vim +1163 net/mac80211/mesh.c 2b5e19677592c1 Thomas Pedersen 2013-02-14 1155 2b5e19677592c1 Thomas Pedersen 2013-02-14 1156 void ieee80211_mbss_info_change_notify(struct ieee80211_sub_if_data *sdata, 15ddba5f43114c Anjaneyulu 2023-06-04 1157 u64 changed) 2b5e19677592c1 Thomas Pedersen 2013-02-14 1158 { f81a9dedaff434 Thomas Pedersen 2013-06-13 1159 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; f0e1110ae72964 Issam Hamdi 2024-11-18 1160 unsigned long bits[] = { BITMAP_FROM_U64(changed) }; f81a9dedaff434 Thomas Pedersen 2013-06-13 1161 u32 bit; f81a9dedaff434 Thomas Pedersen 2013-06-13 1162 f81a9dedaff434 Thomas Pedersen 2013-06-13 @1163 if (!bits) 2b5e19677592c1 Thomas Pedersen 2013-02-14 1164 return; f81a9dedaff434 Thomas Pedersen 2013-06-13 1165 f81a9dedaff434 Thomas Pedersen 2013-06-13 1166 /* if we race with running work, worst case this work becomes a noop */ f0e1110ae72964 Issam Hamdi 2024-11-18 1167 for_each_set_bit(bit, bits, sizeof(changed) * BITS_PER_BYTE) 6e48ebffc2db54 Felix Fietkau 2023-09-13 1168 set_bit(bit, ifmsh->mbss_changed); f81a9dedaff434 Thomas Pedersen 2013-06-13 1169 set_bit(MESH_WORK_MBSS_CHANGED, &ifmsh->wrkq_flags); 16114496d684a3 Johannes Berg 2023-06-06 1170 wiphy_work_queue(sdata->local->hw.wiphy, &sdata->work); 2b5e19677592c1 Thomas Pedersen 2013-02-14 1171 } 2b5e19677592c1 Thomas Pedersen 2013-02-14 1172 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki