[nbd168-wireless:mtk-flow-offload 9/9] drivers/net/wireless/mediatek/mt76/mt7915/mac.c:1414:28: warning: variable 'phy' set but not used

From: kernel test robot
Date: Sat Feb 12 2022 - 00:32:59 EST


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-lkp@xxxxxxxxx/config)
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/1ba2137278dd5c4747b6e43be7aae4e94fb9c76e
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@xxxxxxxxx>

All warnings (new ones prefixed by >>):

drivers/net/wireless/mediatek/mt76/mt7915/mac.c: In function 'mt7915_txwi_free':
>> drivers/net/wireless/mediatek/mt76/mt7915/mac.c:1414:28: warning: variable 'phy' set but not used [-Wunused-but-set-variable]
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;
> 1414 struct mt7915_phy *phy;
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@xxxxxxxxxxxx