diff options
Diffstat (limited to 'drivers/bluetooth/hci_ldisc.c')
| -rw-r--r-- | drivers/bluetooth/hci_ldisc.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index 0f4203b499af..6055b9c0ac0f 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -307,7 +307,9 @@ static void hci_uart_tty_close(struct tty_struct *tty) if (hu) { struct hci_dev *hdev = hu->hdev; - hci_uart_close(hdev); + + if (hdev) + hci_uart_close(hdev); if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) { hu->proto->close(hu); @@ -473,12 +475,18 @@ static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file * file, tty->low_latency = 1; } else return -EBUSY; + break; case HCIUARTGETPROTO: if (test_bit(HCI_UART_PROTO_SET, &hu->flags)) return hu->proto->id; return -EUNATCH; + case HCIUARTGETDEVICE: + if (test_bit(HCI_UART_PROTO_SET, &hu->flags)) + return hu->hdev->id; + return -EUNATCH; + default: err = n_tty_ioctl(tty, file, cmd, arg); break; |