Bluetooth: Reset the security level after an authentication failure

When authentication fails for a connection the assumed security level
should be set back to BT_SECURITY_LOW so that subsequent connect
attempts over the same link don't falsely assume that security is
adequate enough.

Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 6c57fc71c7e2d0df7c75daf1054901cf7ed8eee6..786b5de0bac42819ae3e207c942840a69f2c13da 100644 (file)
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1049,6 +1049,8 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s
        if (conn) {
                if (!ev->status)
                        conn->link_mode |= HCI_LM_AUTH;
+               else
+                       conn->sec_level = BT_SECURITY_LOW;
 
                clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);