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Date:   Wed, 12 Aug 2020 13:51:43 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ryder Lee <ryder.lee@...iatek.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Felix Fietkau <nbd@....name>,
        Shayne Chen <shayne.chen@...iatek.com>,
        Chih-Min Chen <chih-min.chen@...iatek.com>
Subject: drivers/net/wireless/mediatek/mt76/mt7915/mac.c:1130
 mt7915_mac_sta_stats_work() warn: test_bit() takes a bit number

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   fb893de323e2d39f7a1f6df425703a2edbdf56ea
commit: e57b7901469fc0b021930b83a8094baaf3d81b09 mt76: add mac80211 driver for MT7915 PCIe-based chipsets
date:   3 months ago
config: parisc-randconfig-m031-20200811 (attached as .config)
compiler: hppa-linux-gcc (GCC) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

smatch warnings:
drivers/net/wireless/mediatek/mt76/mt7915/mac.c:1130 mt7915_mac_sta_stats_work() warn: test_bit() takes a bit number

vim +1130 drivers/net/wireless/mediatek/mt76/mt7915/mac.c

  1107	
  1108	void mt7915_mac_sta_stats_work(struct work_struct *work)
  1109	{
  1110		struct ieee80211_sta *sta;
  1111		struct ieee80211_vif *vif;
  1112		struct mt7915_sta_stats *stats;
  1113		struct mt7915_sta *msta;
  1114		struct mt7915_dev *dev;
  1115	
  1116		msta = container_of(work, struct mt7915_sta, stats_work);
  1117		sta = container_of((void *)msta, struct ieee80211_sta, drv_priv);
  1118		vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
  1119		dev = msta->vif->dev;
  1120		stats = &msta->stats;
  1121	
  1122		/* use MT_TX_FREE_RATE to report Tx rate for further devices */
  1123		if (time_after(jiffies, stats->jiffies + HZ)) {
  1124			mt7915_mcu_get_rate_info(dev, RATE_CTRL_RU_INFO,
  1125						 msta->wcid.idx);
  1126	
  1127			stats->jiffies = jiffies;
  1128		}
  1129	
> 1130		if (test_and_clear_bit(IEEE80211_RC_SUPP_RATES_CHANGED |
  1131				       IEEE80211_RC_NSS_CHANGED |
  1132				       IEEE80211_RC_BW_CHANGED, &stats->changed))
  1133			mt7915_mcu_add_rate_ctrl(dev, vif, sta);
  1134	
  1135		if (test_and_clear_bit(IEEE80211_RC_SMPS_CHANGED, &stats->changed))
  1136			mt7915_mcu_add_smps(dev, vif, sta);
  1137	
  1138		spin_lock_bh(&dev->sta_poll_lock);
  1139		if (list_empty(&msta->poll_list))
  1140			list_add_tail(&msta->poll_list, &dev->sta_poll_list);
  1141		spin_unlock_bh(&dev->sta_poll_lock);
  1142	}
  1143	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (30542 bytes)

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