From: Yang Yingliang yangyingliang@huawei.com
[ Upstream commit 39c1eb6fcbae8ce9bb71b2ac5cb609355a2b181b ]
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: 9238f36a5a50 ("Bluetooth: Add request cmd_complete and cmd_status functions") 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 --- net/bluetooth/hci_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index f8aab38ab595..2af1477a05ca 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -4910,7 +4910,7 @@ void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status, *req_complete_skb = bt_cb(skb)->hci.req_complete_skb; else *req_complete = bt_cb(skb)->hci.req_complete; - kfree_skb(skb); + dev_kfree_skb_irq(skb); } spin_unlock_irqrestore(&hdev->cmd_q.lock, flags); }