| Message ID | 20230823034638.1281539-1-ruanjinjie@huawei.com |
|---|---|
| State | New |
| Headers | show |
| Series | [-next] Bluetooth: btusb: Do not call kfree_skb() under spin_lock_irqsave() | expand |
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 1bb3b09013b0..52309ece6145 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2162,7 +2162,7 @@ static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts) * alternate setting. */ spin_lock_irqsave(&data->rxlock, flags); - kfree_skb(data->sco_skb); + dev_kfree_skb_irq(data->sco_skb); data->sco_skb = NULL; spin_unlock_irqrestore(&data->rxlock, flags);
It is not allowed to call kfree_skb() from hardware interrupt context or with hardware interrupts being disabled. So replace kfree_skb() with dev_kfree_skb_irq() under spin_lock_irqsave(). Compile tested only. Fixes: baac6276c0a9 ("Bluetooth: btusb: handle mSBC audio over USB Endpoints") Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> --- drivers/bluetooth/btusb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)