This is needed primarily to avoid races in dealing with rx aggregation
related data structures
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt7603/main.c | 2 ++
drivers/net/wireless/mediatek/mt76/mt7615/main.c | 2 ++
drivers/net/wireless/mediatek/mt76/mt76x02_util.c | 2 ++
3 files changed, 6 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/main.c b/drivers/net/wireless/mediatek/mt76/mt7603/main.c
index 180eb6bb781a..c4dac556fb2e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/main.c
@@ -569,6 +569,7 @@ mt7603_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
mtxq = (struct mt76_txq *)txq->drv_priv;
+ mutex_lock(&dev->mt76.mutex);
switch (action) {
case IEEE80211_AMPDU_RX_START:
mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
@@ -598,6 +599,7 @@ mt7603_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;
}
+ mutex_unlock(&dev->mt76.mutex);
return 0;
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
index 942076b6d1ad..d9f4d425424c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -483,6 +483,7 @@ mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
mtxq = (struct mt76_txq *)txq->drv_priv;
+ mutex_lock(&dev->mt76.mutex);
switch (action) {
case IEEE80211_AMPDU_RX_START:
mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
@@ -513,6 +514,7 @@ mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;
}
+ mutex_unlock(&dev->mt76.mutex);
return 0;
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
index f5695ebdb225..bb7edf288597 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
@@ -372,6 +372,7 @@ int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
mtxq = (struct mt76_txq *)txq->drv_priv;
+ mutex_lock(&dev->mt76.mutex);
switch (action) {
case IEEE80211_AMPDU_RX_START:
mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid,
@@ -401,6 +402,7 @@ int mt76x02_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;
}
+ mutex_unlock(&dev->mt76.mutex);
return 0;
}
--
2.17.0
