Messages in this thread | | | Date | Sat, 16 Oct 2021 05:24:06 +0800 | From | kernel test robot <> | Subject | [nbd168-wireless:mt76 73/113] drivers/net/wireless/mediatek/mt76/mt7921/mac.c:1347:21: warning: variable 'dev' set but not used |
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tree: https://github.com/nbd168/wireless mt76 head: 39e333d657f49619c65b9f5b59aa6405f13abf35 commit: 6fab4ab4b0c10198055f44b4c6ac2c97a6b5d24e [73/113] mt76: mt7921: report tx rate directly from tx status config: x86_64-randconfig-a004-20211015 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 6069a6a5049497a32a50a49661c2f4169078bdba) 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/6fab4ab4b0c10198055f44b4c6ac2c97a6b5d24e git remote add nbd168-wireless https://github.com/nbd168/wireless git fetch --no-tags nbd168-wireless mt76 git checkout 6fab4ab4b0c10198055f44b4c6ac2c97a6b5d24e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/net/wireless/mediatek/mt76/mt7921/mac.c:1347:21: warning: variable 'dev' set but not used [-Wunused-but-set-variable] struct mt7921_dev *dev; ^ 1 warning generated.
vim +/dev +1347 drivers/net/wireless/mediatek/mt76/mt7921/mac.c
a7742ef4cd9166 Lorenzo Bianconi 2021-08-16 1344 163f4d22c118d4 Sean Wang 2021-01-28 1345 void mt7921_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e) 163f4d22c118d4 Sean Wang 2021-01-28 1346 { 163f4d22c118d4 Sean Wang 2021-01-28 @1347 struct mt7921_dev *dev; 163f4d22c118d4 Sean Wang 2021-01-28 1348 163f4d22c118d4 Sean Wang 2021-01-28 1349 if (!e->txwi) { 163f4d22c118d4 Sean Wang 2021-01-28 1350 dev_kfree_skb_any(e->skb); 163f4d22c118d4 Sean Wang 2021-01-28 1351 return; 163f4d22c118d4 Sean Wang 2021-01-28 1352 } 163f4d22c118d4 Sean Wang 2021-01-28 1353 163f4d22c118d4 Sean Wang 2021-01-28 1354 dev = container_of(mdev, struct mt7921_dev, mt76); 163f4d22c118d4 Sean Wang 2021-01-28 1355 163f4d22c118d4 Sean Wang 2021-01-28 1356 /* error path */ 163f4d22c118d4 Sean Wang 2021-01-28 1357 if (e->skb == DMA_DUMMY_DATA) { 163f4d22c118d4 Sean Wang 2021-01-28 1358 struct mt76_txwi_cache *t; 163f4d22c118d4 Sean Wang 2021-01-28 1359 struct mt7921_txp_common *txp; 163f4d22c118d4 Sean Wang 2021-01-28 1360 u16 token; 163f4d22c118d4 Sean Wang 2021-01-28 1361 163f4d22c118d4 Sean Wang 2021-01-28 1362 txp = mt7921_txwi_to_txp(mdev, e->txwi); 163f4d22c118d4 Sean Wang 2021-01-28 1363 token = le16_to_cpu(txp->hw.msdu_id[0]) & ~MT_MSDU_ID_VALID; d089692bc7938a Lorenzo Bianconi 2021-04-20 1364 t = mt76_token_put(mdev, token); 163f4d22c118d4 Sean Wang 2021-01-28 1365 e->skb = t ? t->skb : NULL; 163f4d22c118d4 Sean Wang 2021-01-28 1366 } 163f4d22c118d4 Sean Wang 2021-01-28 1367 6fab4ab4b0c101 Lorenzo Bianconi 2021-09-04 1368 if (e->skb) 6fab4ab4b0c101 Lorenzo Bianconi 2021-09-04 1369 mt76_tx_complete_skb(mdev, e->wcid, e->skb); 163f4d22c118d4 Sean Wang 2021-01-28 1370 } 163f4d22c118d4 Sean Wang 2021-01-28 1371
:::::: The code at line 1347 was first introduced by commit :::::: 163f4d22c118d4eb9e275bf9ee1577c0d14b3208 mt76: mt7921: add MAC support
:::::: TO: Sean Wang <sean.wang@mediatek.com> :::::: CC: Felix Fietkau <nbd@nbd.name>
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