--- hci_ldisc.c	2007-09-11 02:54:02.000000000 +0930
+++ hci_ldisc.c.new	2007-12-21 06:03:11.000000000 +1030
@@ -203,16 +203,17 @@
 static int hci_uart_close(struct hci_dev *hdev)
 {
 	BT_DBG("hdev %p", hdev);
 
 	if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
 		return 0;
 
 	hci_uart_flush(hdev);
+	hdev->flush = NULL;
 	return 0;
 }
 
 /* Send frames from HCI layer */
 static int hci_uart_send_frame(struct sk_buff *skb)
 {
 	struct hci_dev* hdev = (struct hci_dev *) skb->dev;
 	struct tty_struct *tty;