tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b29482fde649c72441d5478a4ea2c52c56d97a5e commit: e57b7901469fc0b021930b83a8094baaf3d81b09 mt76: add mac80211 driver for MT7915 PCIe-based chipsets config: x86_64-randconfig-m031-20200611 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> Reported-by: Dan Carpenter <dan.carpen...@oracle.com> New smatch warnings: drivers/net/wireless/mediatek/mt76/mt7915/mac.c:1130 mt7915_mac_sta_stats_work() warn: test_bit() takes a bit number # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e57b7901469fc0b021930b83a8094baaf3d81b09 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git remote update linus git checkout e57b7901469fc0b021930b83a8094baaf3d81b09 vim +1130 drivers/net/wireless/mediatek/mt76/mt7915/mac.c e57b7901469fc0 Ryder Lee 2020-04-25 1108 void mt7915_mac_sta_stats_work(struct work_struct *work) e57b7901469fc0 Ryder Lee 2020-04-25 1109 { e57b7901469fc0 Ryder Lee 2020-04-25 1110 struct ieee80211_sta *sta; e57b7901469fc0 Ryder Lee 2020-04-25 1111 struct ieee80211_vif *vif; e57b7901469fc0 Ryder Lee 2020-04-25 1112 struct mt7915_sta_stats *stats; e57b7901469fc0 Ryder Lee 2020-04-25 1113 struct mt7915_sta *msta; e57b7901469fc0 Ryder Lee 2020-04-25 1114 struct mt7915_dev *dev; e57b7901469fc0 Ryder Lee 2020-04-25 1115 e57b7901469fc0 Ryder Lee 2020-04-25 1116 msta = container_of(work, struct mt7915_sta, stats_work); e57b7901469fc0 Ryder Lee 2020-04-25 1117 sta = container_of((void *)msta, struct ieee80211_sta, drv_priv); e57b7901469fc0 Ryder Lee 2020-04-25 1118 vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv); e57b7901469fc0 Ryder Lee 2020-04-25 1119 dev = msta->vif->dev; e57b7901469fc0 Ryder Lee 2020-04-25 1120 stats = &msta->stats; e57b7901469fc0 Ryder Lee 2020-04-25 1121 e57b7901469fc0 Ryder Lee 2020-04-25 1122 /* use MT_TX_FREE_RATE to report Tx rate for further devices */ e57b7901469fc0 Ryder Lee 2020-04-25 1123 if (time_after(jiffies, stats->jiffies + HZ)) { e57b7901469fc0 Ryder Lee 2020-04-25 1124 mt7915_mcu_get_rate_info(dev, RATE_CTRL_RU_INFO, e57b7901469fc0 Ryder Lee 2020-04-25 1125 msta->wcid.idx); e57b7901469fc0 Ryder Lee 2020-04-25 1126 e57b7901469fc0 Ryder Lee 2020-04-25 1127 stats->jiffies = jiffies; e57b7901469fc0 Ryder Lee 2020-04-25 1128 } e57b7901469fc0 Ryder Lee 2020-04-25 1129 e57b7901469fc0 Ryder Lee 2020-04-25 @1130 if (test_and_clear_bit(IEEE80211_RC_SUPP_RATES_CHANGED | e57b7901469fc0 Ryder Lee 2020-04-25 1131 IEEE80211_RC_NSS_CHANGED | e57b7901469fc0 Ryder Lee 2020-04-25 1132 IEEE80211_RC_BW_CHANGED, &stats->changed)) The test_and_clear_bit() takes a bit number like 1. But this is passing "(1 << 1) | ...". It won't work at all. e57b7901469fc0 Ryder Lee 2020-04-25 1133 mt7915_mcu_add_rate_ctrl(dev, vif, sta); e57b7901469fc0 Ryder Lee 2020-04-25 1134 e57b7901469fc0 Ryder Lee 2020-04-25 1135 if (test_and_clear_bit(IEEE80211_RC_SMPS_CHANGED, &stats->changed)) e57b7901469fc0 Ryder Lee 2020-04-25 1136 mt7915_mcu_add_smps(dev, vif, sta); e57b7901469fc0 Ryder Lee 2020-04-25 1137 e57b7901469fc0 Ryder Lee 2020-04-25 1138 spin_lock_bh(&dev->sta_poll_lock); e57b7901469fc0 Ryder Lee 2020-04-25 1139 if (list_empty(&msta->poll_list)) e57b7901469fc0 Ryder Lee 2020-04-25 1140 list_add_tail(&msta->poll_list, &dev->sta_poll_list); e57b7901469fc0 Ryder Lee 2020-04-25 1141 spin_unlock_bh(&dev->sta_poll_lock); e57b7901469fc0 Ryder Lee 2020-04-25 1142 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
