[Bluetooth] Ignore L2CAP config requests on disconnect
Any L2CAP connection in disconnecting state shall not response
to any further config requests from the remote side. So in case
such a request is received, ignore it.
Signed-off-by: Ville Tervo <ville.tervo@nokia.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index c09d4a2..bbf78e6 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -1533,6 +1533,9 @@
if (!(sk = l2cap_get_chan_by_scid(&conn->chan_list, dcid)))
return -ENOENT;
+ if (sk->sk_state == BT_DISCONN)
+ goto unlock;
+
l2cap_parse_conf_req(sk, req->data, cmd->len - sizeof(*req));
if (flags & 0x0001) {