diff options
| author | Lorenzo Bianconi <[email protected]> | 2020-06-02 22:26:38 +0200 |
|---|---|---|
| committer | Felix Fietkau <[email protected]> | 2020-06-07 16:59:39 +0200 |
| commit | bb57768215fb6b557a1ef95a3d87b011efe2e267 (patch) | |
| tree | f3b9eff8e6507eb99dbf15ac07b8f14e4d7218f5 | |
| parent | 1806c13dc2532090d742ce03847b22367fb20ad6 (diff) | |
mt76: add missing lock configuring coverage class
Coverage class callback can potentially run in parallel with other
routines (e.g. mt7615_set_channel) that configures timing registers.
Run coverage class callback holding mt76 mutex
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7603/main.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/main.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/main.c | 3 |
3 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/main.c b/drivers/net/wireless/mediatek/mt76/mt7603/main.c index 26cb711b465f..83dfa6da4761 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/main.c @@ -642,8 +642,10 @@ mt7603_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) { struct mt7603_dev *dev = hw->priv; + mutex_lock(&dev->mt76.mutex); dev->coverage_class = max_t(s16, coverage_class, 0); mt7603_mac_set_timing(dev); + mutex_unlock(&dev->mt76.mutex); } static void mt7603_tx(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c index c26f99b368d9..52d6544698fe 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c @@ -735,9 +735,12 @@ static void mt7615_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) { struct mt7615_phy *phy = mt7615_hw_phy(hw); + struct mt7615_dev *dev = phy->dev; + mutex_lock(&dev->mt76.mutex); phy->coverage_class = max_t(s16, coverage_class, 0); mt7615_mac_set_timing(phy); + mutex_unlock(&dev->mt76.mutex); } static int diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c index 0575c259f245..05b5650c56c8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c @@ -716,9 +716,12 @@ static void mt7915_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) { struct mt7915_phy *phy = mt7915_hw_phy(hw); + struct mt7915_dev *dev = phy->dev; + mutex_lock(&dev->mt76.mutex); phy->coverage_class = max_t(s16, coverage_class, 0); mt7915_mac_set_timing(phy); + mutex_unlock(&dev->mt76.mutex); } static int |