tree: https://github.com/nbd168/wireless mtk-flow-offload head: 1ba2137278dd5c4747b6e43be7aae4e94fb9c76e commit: 1ba2137278dd5c4747b6e43be7aae4e94fb9c76e [9/9] mt76: mt7915: add Wireless Ethernet Dispatch support config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220212/202202121320.bRZMLlj6-lk...) compiler: arceb-elf-gcc (GCC) 11.2.0 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://github.com/nbd168/wireless/commit/1ba2137278dd5c4747b6e43be7aae4e... git remote add nbd168-wireless https://github.com/nbd168/wireless git fetch --no-tags nbd168-wireless mtk-flow-offload git checkout 1ba2137278dd5c4747b6e43be7aae4e94fb9c76e # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash drivers/net/wireless/mediatek/mt76/mt7915/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/net/wireless/mediatek/mt76/mt7915/mac.c: In function 'mt7915_txwi_free': 1414 | struct mt7915_phy *phy; | ^~~ vim +/phy +1414 drivers/net/wireless/mediatek/mt76/mt7915/mac.c 1407 1408 static void 1409 mt7915_txwi_free(struct mt7915_dev *dev, struct mt76_txwi_cache *t, 1410 struct ieee80211_sta *sta, struct list_head *free_list) 1411 { 1412 struct mt76_dev *mdev = &dev->mt76; 1413 struct mt7915_sta *msta; 1415 struct mt76_wcid *wcid; 1416 __le32 *txwi; 1417 u16 wcid_idx; 1418 1419 mt7915_txp_skb_unmap(mdev, t); 1420 if (!t->skb) 1421 goto out; 1422 1423 txwi = (__le32 *)mt76_get_txwi_ptr(mdev, t); 1424 if (sta) { 1425 wcid = (struct mt76_wcid *)sta->drv_priv; 1426 wcid_idx = wcid->idx; 1427 } else { 1428 wcid_idx = FIELD_GET(MT_TXD1_WLAN_IDX, le32_to_cpu(txwi[1])); 1429 wcid = rcu_dereference(dev->mt76.wcid[wcid_idx]); 1430 1431 if (wcid && wcid->sta) { 1432 msta = container_of(wcid, struct mt7915_sta, wcid); 1433 sta = container_of((void *)msta, struct ieee80211_sta, 1434 drv_priv); 1435 phy = msta->vif->phy; 1436 spin_lock_bh(&dev->sta_poll_lock); 1437 if (list_empty(&msta->poll_list)) 1438 list_add_tail(&msta->poll_list, &dev->sta_poll_list); 1439 spin_unlock_bh(&dev->sta_poll_lock); 1440 } 1441 } 1442 1443 if (sta && likely(t->skb->protocol != cpu_to_be16(ETH_P_PAE))) 1444 mt7915_tx_check_aggr(sta, txwi); 1445 1446 __mt76_tx_complete_skb(mdev, wcid_idx, t->skb, free_list); 1447 1448 out: 1449 t->skb = NULL; 1450 mt76_put_txwi(mdev, t); 1451 } 1452 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org