Bluetooth: hci_ldisc: fix NULL-pointer dereference on tty_close

[cascardo/linux.git] / drivers / bluetooth / hci_ldisc.c

diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index fd5adb4..98a8c05 100644 (file)
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -299,11 +299,11 @@ static void hci_uart_tty_close(struct tty_struct *tty)
                        hci_uart_close(hdev);
 
                if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) {
-                       hu->proto->close(hu);
                        if (hdev) {
                                hci_unregister_dev(hdev);
                                hci_free_dev(hdev);
                        }
+                       hu->proto->close(hu);
                }
 
                kfree(hu);