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

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[ Upstream commit df4cfc9120 ]

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: 0ff252c197 ("Bluetooth: hciuart: Add support QCA chipset for UART")
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 10:18:30 +08:00 • committed by Greg Kroah-Hartman
commit 0169acb41b
1 changed files with 1 additions and 1 deletions
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2
drivers/bluetooth/hci_qca.c
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@ -905,7 +905,7 @@ static int qca_enqueue(struct hci_uart *hu, struct sk_buff *skb)
default:
BT_ERR("Illegal tx state: %d (losing packet)",
qca->tx_ibs_state);
kfree_skb(skb);
dev_kfree_skb_irq(skb);
break;
}