From: Yang Yingliang <yangyingliang@xxxxxxxxxx> [ Upstream commit b15a6bd3c80c77faec8317319b97f976b1a08332 ] 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: 803b58367ffb ("Bluetooth: btusb: Implement driver internal packet reassembly") Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/bluetooth/btusb.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index f05018988a17..6beafd62d722 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -802,13 +802,13 @@ static inline void btusb_free_frags(struct btusb_data *data) spin_lock_irqsave(&data->rxlock, flags); - kfree_skb(data->evt_skb); + dev_kfree_skb_irq(data->evt_skb); data->evt_skb = NULL; - kfree_skb(data->acl_skb); + dev_kfree_skb_irq(data->acl_skb); data->acl_skb = NULL; - kfree_skb(data->sco_skb); + dev_kfree_skb_irq(data->sco_skb); data->sco_skb = NULL; spin_unlock_irqrestore(&data->rxlock, flags); -- 2.35.1