diff mbox series

[v2,2/6] Bluetooth: hci_ll: don't call kfree_skb() under spin_lock_irqsave()

Message ID 20221207021835.3012559-3-yangyingliang@huawei.com
State Accepted
Commit 8f458f783dfbb19c1f1cb58ed06eeb701f52091b
Headers show
Series Bluetooth: don't call kfree_skb() under spin_lock_irqsave() | expand

Commit Message

Yang Yingliang Dec. 7, 2022, 2:18 a.m. UTC 
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: 166d2f6a4332 ("[Bluetooth] Add UART driver for Texas Instruments' BRF63xx chips")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 drivers/bluetooth/hci_ll.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c
index 4eb420a9ed04..5abc01a2acf7 100644
--- a/drivers/bluetooth/hci_ll.c
+++ b/drivers/bluetooth/hci_ll.c
@@ -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;
 	}