From: Lorenzo Bianconi <lorenzo@kernel.org>
To: nbd@nbd.name
Cc: lorenzo.bianconi@redhat.com, sean.wang@mediatek.com,
linux-wireless@vger.kernel.org
Subject: [PATCH] mt76: mt7615: hold mt76 lock queueing wd in mt7615_queue_key_update
Date: Thu, 30 Jul 2020 11:21:31 +0200 [thread overview]
Message-ID: <a4ba01f0fc5c4bdd532d819ac0483496d3f01f6a.1596100771.git.lorenzo@kernel.org> (raw)
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: eb99cc95c3b65 ("mt76: mt7615: introduce mt7663u support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/wireless/mediatek/mt76/mt7615/main.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
index 2d0b1f49fdbc..bafe2bdeb5eb 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -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;
--
2.26.2
reply other threads:[~2020-07-30 9:22 UTC|newest]
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