Hi Alexander, kernel test robot noticed the following build warnings: [auto build test WARNING on wireless-next/main] [also build test WARNING on wireless/main ath/ath-next linus/master v6.14-rc3 next-20250217] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Alexander-Wetzel/wifi-mac80211-move-rate-control-setup/20250217-162046 base: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main patch link: https://lore.kernel.org/r/20250217081721.45110-6-Alexander%40wetzel-home.de patch subject: [PATCH v2 05/10] wifi: mac80211: Stop using legacy TX path config: x86_64-buildonly-randconfig-003-20250218 (https://download.01.org/0day-ci/archive/20250218/202502180650.CWCCOFGJ-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250218/202502180650.CWCCOFGJ-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/202502180650.CWCCOFGJ-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from net/mac80211/tx.c:15: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:8: In file included from include/linux/cacheflush.h:5: In file included from arch/x86/include/asm/cacheflush.h:5: In file included from include/linux/mm.h:2224: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 525 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> net/mac80211/tx.c:4607:29: warning: variable 'hdr' is uninitialized when used here [-Wuninitialized] 4607 | sta = sta_info_get(sdata, hdr->addr1); | ^~~ net/mac80211/tx.c:4579:27: note: initialize the variable 'hdr' to silence this warning 4579 | struct ieee80211_hdr *hdr; | ^ | = NULL 4 warnings generated. vim +/hdr +4607 net/mac80211/tx.c e2ebc74d7e3d716 Johannes Berg 2007-07-27 4572 e8f495b5a04f5a6 Alexander Wetzel 2025-02-17 4573 static void ieee80211_tx_pending_skb(struct ieee80211_local *local, cd8ffc800ce18e5 Johannes Berg 2009-03-23 4574 struct sk_buff *skb) cd8ffc800ce18e5 Johannes Berg 2009-03-23 4575 { cd8ffc800ce18e5 Johannes Berg 2009-03-23 4576 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); cd8ffc800ce18e5 Johannes Berg 2009-03-23 4577 struct ieee80211_sub_if_data *sdata; cd8ffc800ce18e5 Johannes Berg 2009-03-23 4578 struct sta_info *sta; cd8ffc800ce18e5 Johannes Berg 2009-03-23 4579 struct ieee80211_hdr *hdr; 55de908ab292c03 Johannes Berg 2012-07-26 4580 struct ieee80211_chanctx_conf *chanctx_conf; cd8ffc800ce18e5 Johannes Berg 2009-03-23 4581 5061b0c2b9066de Johannes Berg 2009-07-14 4582 sdata = vif_to_sdata(info->control.vif); cd8ffc800ce18e5 Johannes Berg 2009-03-23 4583 cc20ff2c6b5d3e2 Felix Fietkau 2020-09-08 4584 if (info->control.flags & IEEE80211_TX_INTCFL_NEED_TXPROCESSING) { eef25a6679adb3c Johannes Berg 2022-06-01 4585 /* update band only for non-MLD */ f1871abd27641c0 Ilan Peer 2023-06-08 4586 if (!ieee80211_vif_is_mld(&sdata->vif)) { eef25a6679adb3c Johannes Berg 2022-06-01 4587 chanctx_conf = eef25a6679adb3c Johannes Berg 2022-06-01 4588 rcu_dereference(sdata->vif.bss_conf.chanctx_conf); 55de908ab292c03 Johannes Berg 2012-07-26 4589 if (unlikely(!chanctx_conf)) { 55de908ab292c03 Johannes Berg 2012-07-26 4590 dev_kfree_skb(skb); e8f495b5a04f5a6 Alexander Wetzel 2025-02-17 4591 return; 55de908ab292c03 Johannes Berg 2012-07-26 4592 } 73c4e195e6396ee Johannes Berg 2014-11-09 4593 info->band = chanctx_conf->def.chan->band; eef25a6679adb3c Johannes Berg 2022-06-01 4594 } e8f495b5a04f5a6 Alexander Wetzel 2025-02-17 4595 ieee80211_tx(sdata, NULL, skb); cc20ff2c6b5d3e2 Felix Fietkau 2020-09-08 4596 } else if (info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) { 50ff477a8639fa1 John Crispin 2019-11-25 4597 if (ieee80211_lookup_ra_sta(sdata, skb, &sta)) { 50ff477a8639fa1 John Crispin 2019-11-25 4598 dev_kfree_skb(skb); e8f495b5a04f5a6 Alexander Wetzel 2025-02-17 4599 return; 50ff477a8639fa1 John Crispin 2019-11-25 4600 } 50ff477a8639fa1 John Crispin 2019-11-25 4601 50ff477a8639fa1 John Crispin 2019-11-25 4602 if (IS_ERR(sta) || (sta && !sta->uploaded)) 50ff477a8639fa1 John Crispin 2019-11-25 4603 sta = NULL; 50ff477a8639fa1 John Crispin 2019-11-25 4604 e8f495b5a04f5a6 Alexander Wetzel 2025-02-17 4605 ieee80211_queue_skb(local, sdata, sta, skb); cd8ffc800ce18e5 Johannes Berg 2009-03-23 4606 } else { abe60632f311d51 Johannes Berg 2009-11-25 @4607 sta = sta_info_get(sdata, hdr->addr1); e8f495b5a04f5a6 Alexander Wetzel 2025-02-17 4608 ieee80211_tx(sdata, sta, skb); cd8ffc800ce18e5 Johannes Berg 2009-03-23 4609 } cd8ffc800ce18e5 Johannes Berg 2009-03-23 4610 } cd8ffc800ce18e5 Johannes Berg 2009-03-23 4611 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki