Hi Pradeep, Thank you for the patch! Yet something to improve: [auto build test ERROR on mac80211-next/master] [also build test ERROR on mac80211/master v5.8-rc5 next-20200714] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Pradeep-Kumar-Chitrapu/mac80211-... base: https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git master config: mips-malta_kvm_guest_defconfig (attached as .config) compiler: mipsel-linux-gcc (GCC) 9.3.0 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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): net/mac80211/mesh.c: In function 'mesh_add_he_oper_ie': 614 | ieee80211_ie_build_he_oper(pos, &sdata->vif.bss_conf.chandef); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from net/mac80211/mesh.c:11: net/mac80211/ieee80211_i.h:2187:5: note: declared here 2187 | u8 *ieee80211_ie_build_he_oper(u8 *pos, struct cfg80211_chan_def *chandef, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/ieee80211_ie_build_he_oper +614 net/mac80211/mesh.c 60ad72da55ac74 Sven Eckelmann 2019-07-24 584 60ad72da55ac74 Sven Eckelmann 2019-07-24 585 int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata, 60ad72da55ac74 Sven Eckelmann 2019-07-24 586 struct sk_buff *skb) 60ad72da55ac74 Sven Eckelmann 2019-07-24 587 { 60ad72da55ac74 Sven Eckelmann 2019-07-24 588 const struct ieee80211_sta_he_cap *he_cap; 60ad72da55ac74 Sven Eckelmann 2019-07-24 589 struct ieee80211_supported_band *sband; d1b7524b3ea140 Rajkumar Manoharan 2020-05-28 590 u32 len; 60ad72da55ac74 Sven Eckelmann 2019-07-24 591 u8 *pos; 60ad72da55ac74 Sven Eckelmann 2019-07-24 592 60ad72da55ac74 Sven Eckelmann 2019-07-24 593 sband = ieee80211_get_sband(sdata); 60ad72da55ac74 Sven Eckelmann 2019-07-24 594 if (!sband) 60ad72da55ac74 Sven Eckelmann 2019-07-24 595 return -EINVAL; 60ad72da55ac74 Sven Eckelmann 2019-07-24 596 60ad72da55ac74 Sven Eckelmann 2019-07-24 597 he_cap = ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT); 60ad72da55ac74 Sven Eckelmann 2019-07-24 598 if (!he_cap || 60ad72da55ac74 Sven Eckelmann 2019-07-24 599 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT || 60ad72da55ac74 Sven Eckelmann 2019-07-24 600 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 || 60ad72da55ac74 Sven Eckelmann 2019-07-24 601 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10) 60ad72da55ac74 Sven Eckelmann 2019-07-24 602 return 0; 60ad72da55ac74 Sven Eckelmann 2019-07-24 603 ef32fba11e9097 Pradeep Kumar Chitrapu 2020-07-14 604 sdata->vif.bss_conf.he_support = true; ef32fba11e9097 Pradeep Kumar Chitrapu 2020-07-14 605 d1b7524b3ea140 Rajkumar Manoharan 2020-05-28 606 len = 2 + 1 + sizeof(struct ieee80211_he_operation); d1b7524b3ea140 Rajkumar Manoharan 2020-05-28 607 if (sdata->vif.bss_conf.chandef.chan->band == NL80211_BAND_6GHZ) d1b7524b3ea140 Rajkumar Manoharan 2020-05-28 608 len += sizeof(struct ieee80211_he_6ghz_oper); d1b7524b3ea140 Rajkumar Manoharan 2020-05-28 609 d1b7524b3ea140 Rajkumar Manoharan 2020-05-28 610 if (skb_tailroom(skb) < len) 60ad72da55ac74 Sven Eckelmann 2019-07-24 611 return -ENOMEM; 60ad72da55ac74 Sven Eckelmann 2019-07-24 612 d1b7524b3ea140 Rajkumar Manoharan 2020-05-28 613 pos = skb_put(skb, len); d1b7524b3ea140 Rajkumar Manoharan 2020-05-28 @614 ieee80211_ie_build_he_oper(pos, &sdata->vif.bss_conf.chandef); 60ad72da55ac74 Sven Eckelmann 2019-07-24 615 60ad72da55ac74 Sven Eckelmann 2019-07-24 616 return 0; 60ad72da55ac74 Sven Eckelmann 2019-07-24 617 } 60ad72da55ac74 Sven Eckelmann 2019-07-24 618 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org