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Bluetooth: hci_bcsp: don't call kfree_skb() under spin_lock_irqsave()

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[ Upstream commit 7b503e339c ]

It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yang Yingliang 2022-12-07 10:18:33 +08:00 committed by Greg Kroah-Hartman
parent 866b209629
commit c1f213a8cc
1 changed files with 1 additions and 1 deletions
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2
drivers/bluetooth/hci_bcsp.c
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@ -378,7 +378,7 @@ static void bcsp_pkt_cull(struct bcsp_struct *bcsp)
i++;
__skb_unlink(skb, &bcsp->unack);
kfree_skb(skb);
dev_kfree_skb_irq(skb);
}
if (skb_queue_empty(&bcsp->unack))