Bluetooth: hci_bcsp: don't call kfree_skb() under spin_lock_irqsave()

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: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

diff --git a/drivers/bluetooth/hci_bcsp.c b/drivers/bluetooth/hci_bcsp.c
index cf4a560958173af884597768cc72c102b1b23804..8055f63603f45fdd1bd39394fa38e93416923549 100644 (file)
--- a/drivers/bluetooth/hci_bcsp.c
+++ b/drivers/bluetooth/hci_bcsp.c
@@ -378,7 +378,7 @@ static void bcsp_pkt_cull(struct bcsp_struct *bcsp)
                i++;
 
                __skb_unlink(skb, &bcsp->unack);
-               kfree_skb(skb);
+               dev_kfree_skb_irq(skb);
        }
 
        if (skb_queue_empty(&bcsp->unack))