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mt76: mt7615: hold mt76 lock queueing wd in mt7615_queue_key_update

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[ Upstream commit cddaaa5637 ]

wq queue is always updated holding mt76 spinlock. Grab mt76 lock in
mt7615_queue_key_update() before putting a new element at the end of the
queue.

Fixes: eb99cc95c3 ("mt76: mt7615: introduce mt7663u support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Lorenzo Bianconi
2020-07-30 11:21:31 +02:00
committed by Greg Kroah-Hartman
parent 9fa6d80060
commit 254f44a6cd
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/mediatek/mt76/mt7615/main.c
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@@ -361,7 +361,10 @@ mt7615_queue_key_update(struct mt7615_dev *dev, enum set_key_cmd cmd,
wd->key.keylen = key->keylen;
wd->key.cmd = cmd;
spin_lock_bh(&dev->mt76.lock);
list_add_tail(&wd->node, &dev->wd_head);
spin_unlock_bh(&dev->mt76.lock);
queue_work(dev->mt76.wq, &dev->wtbl_work);
return 0;