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mt76: mt7915: run mt7915_configure_filter holding mt76 mutex

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In order to avoid races, run mt7915_configure_filter routine holding
mt76 mutex

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2020-12-31 18:40:08 +01:00
committed by Felix Fietkau
parent 37865118ae
commit 742c36b2e5
1 changed files with 4 additions and 1 deletions
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mt7915/main.c
+4 -1
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@@ -429,7 +429,6 @@ static void mt7915_configure_filter(struct ieee80211_hw *hw,
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_phy *phy = mt7915_hw_phy(hw);
bool band = phy != &dev->phy;
u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
MT_WF_RFCR1_DROP_BF_POLL |
MT_WF_RFCR1_DROP_BA |
@@ -443,6 +442,8 @@ static void mt7915_configure_filter(struct ieee80211_hw *hw,
phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \
} while (0)
mutex_lock(&dev->mt76.mutex);
phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
MT_WF_RFCR_DROP_OTHER_BEACON |
MT_WF_RFCR_DROP_FRAME_REPORT |
@@ -473,6 +474,8 @@ static void mt7915_configure_filter(struct ieee80211_hw *hw,
mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
else
mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
mutex_unlock(&dev->mt76.mutex);
}
static void mt7915_bss_info_changed(struct ieee80211_hw *hw,