This is a note to let you know that I've just added the patch titled mt76: mt7615: release mutex in mt7615_reset_test_set to the 5.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: mt76-mt7615-release-mutex-in-mt7615_reset_test_set.patch and it can be found in the queue-5.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 11b349ab0c8ada04e35d95695e1678acc2ba9101 Author: Lorenzo Bianconi <lorenzo@xxxxxxxxxx> Date: Sat Aug 8 20:25:41 2020 +0200 mt76: mt7615: release mutex in mt7615_reset_test_set [ Upstream commit 346f810e22428cdf73ee5cf2e0ce1b79d5671de5 ] Reduce scope of mutex_acquire/mutex_release in mt7615_reset_test_set routine in order to fix the following static checker warning: drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c:179 mt7615_reset_test_set() warn: inconsistent returns 'dev->mt76.mutex'. Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Fixes: ea4906c4be49 ("mt76: mt7615: wake device before accessing regmap in debugfs") Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx> Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c index 88931658a9fbb..937cb71bed642 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c @@ -165,15 +165,14 @@ mt7615_reset_test_set(void *data, u64 val) if (!mt7615_wait_for_mcu_init(dev)) return 0; - mt7615_mutex_acquire(dev); - skb = alloc_skb(1, GFP_KERNEL); if (!skb) return -ENOMEM; skb_put(skb, 1); - mt76_tx_queue_skb_raw(dev, 0, skb, 0); + mt7615_mutex_acquire(dev); + mt76_tx_queue_skb_raw(dev, 0, skb, 0); mt7615_mutex_release(dev); return 0;