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

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[ Upstream commit 8f458f783dfbb19c1f1cb58ed06eeb701f52091b ]

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: 166d2f6a43 ("[Bluetooth] Add UART driver for Texas Instruments' BRF63xx chips")
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 10:18:31 +08:00
committed by Greg Kroah-Hartman
parent 0169acb41b
commit 5991402fe0
1 changed files with 1 additions and 1 deletions
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2
drivers/bluetooth/hci_ll.c
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@@ -345,7 +345,7 @@ static int ll_enqueue(struct hci_uart *hu, struct sk_buff *skb)
default:
BT_ERR("illegal hcill state: %ld (losing packet)",
ll->hcill_state);
kfree_skb(skb);
dev_kfree_skb_irq(skb);
break;
}