From: Yang Yingliang yangyingliang@huawei.com
[ Upstream commit df4cfc91208e0a98f078223793f5871b1a82cc54 ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/bluetooth/hci_qca.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index f96e58de049b..f8b6823db04a 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -810,7 +810,7 @@ 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; }