2 files changed, 5 insertions, 2 deletions

diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 720148294e64..3c6cabcb7d84 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -311,8 +311,10 @@ static void hci_uart_tty_close(struct tty_struct *tty)
 
                 if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) {
                         hu->proto->close(hu);
-                        hci_unregister_dev(hdev);
-                        hci_free_dev(hdev);
+                        if (hdev) {
+                                hci_unregister_dev(hdev);
+                                hci_free_dev(hdev);
+                        }
                 }
         }
 }
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index fa642aa652bd..432a9a633e8d 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -311,6 +311,7 @@ static void rfcomm_dlc_clear_state(struct rfcomm_dlc *d)
         d->state      = BT_OPEN;
         d->flags      = 0;
         d->mscex      = 0;
+        d->sec_level  = BT_SECURITY_LOW;
         d->mtu        = RFCOMM_DEFAULT_MTU;
         d->v24_sig    = RFCOMM_V24_RTC | RFCOMM_V24_RTR | RFCOMM_V24_DV;