diff options
| -rw-r--r-- | net/bluetooth/amp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/bluetooth/amp.c b/net/bluetooth/amp.c index 5dab2d1c7c82..b6e1c3ac74f1 100644 --- a/net/bluetooth/amp.c +++ b/net/bluetooth/amp.c @@ -184,6 +184,10 @@ int phylink_gen_key(struct hci_conn *conn, u8 *data, u8 *len, u8 *type) *len = HCI_AMP_LINK_KEY_SIZE; key = hci_find_link_key(hdev, &conn->dst); + if (!key) { + BT_DBG("No Link key for conn %p dst %pMR", conn, &conn->dst); + return -EACCES; + } /* BR/EDR Link Key concatenated together with itself */ memcpy(&keybuf[0], key->val, HCI_LINK_KEY_SIZE); |