Bluetooth: Disconnect the channel if we don't want the proposed mode

If the device is a STATE 2 then it should disconnect the channel if the
remote device propose a mode different from its mandatory mode.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index e78a7504d09c..03e9125dd74f 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -2617,8 +2617,9 @@ static int l2cap_parse_conf_req(struct sock *sk, void *data)
                         break;
                 }
 
-                if (!l2cap_mode_supported(pi->mode, pi->conn->feat_mask))
+                if (pi->mode != rfc.mode)
                         return -ECONNREFUSED;
+
                 break;
         default:
                 pi->mode = l2cap_select_mode(rfc.mode, pi->conn->feat_mask);