From: Yang Yingliang yangyingliang@huawei.com
[ 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@huawei.com Signed-off-by: Luiz Augusto von Dentz luiz.von.dentz@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 7188f0fb2e05..b6eb48e44e6b 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -501,13 +501,13 @@ 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);