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

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: 0ff252c1976d ("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>

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index dacb6f5efd2900425f48509fb36011dca56c947d..3df9e692756a4c29802261d5262023a467fb78ee 100644 (file)
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -912,7 +912,7 @@ 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;
        }