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mt76: stop rx aggregation on station removal

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Fixes use-after-free issues on forced station removal during hardware restart
on MT76x02

Fixes: aee5b8cf24 ("mt76: implement A-MPDU rx reordering in the driver code")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2019-08-12 15:48:53 +02:00
commit 58bab0d42f
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/mediatek/mt76/mac80211.c
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@ -708,6 +708,9 @@ void __mt76_sta_remove(struct mt76_dev *dev, struct ieee80211_vif *vif,
rcu_assign_pointer(dev->wcid[idx], NULL);
synchronize_rcu();
for (i = 0; i < ARRAY_SIZE(wcid->aggr); i++)
mt76_rx_aggr_stop(dev, wcid, i);
if (dev->drv->sta_remove)
dev->drv->sta_remove(dev, vif, sta);