diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2020-06-02 22:26:38 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2020-07-21 19:01:14 +0200 |
| commit | 2cb002e3c29434b0159a3a4d343d460264dae2ac (patch) | |
| tree | cd65b5ed1aa6aa9e585411b9ebcbdf6324fd05ff /drivers/net/wireless/mediatek/mt76/mt7915/main.c | |
| parent | 71d4364abdc50cb1f0ff5af0f932b110278f620c (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 <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/main.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/main.c | 3 |
1 files changed, 3 insertions, 0 deletions
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 |