From 6c2ea7a8f5fea67fa20e5825401b8fce5a78dbf6 Mon Sep 17 00:00:00 2001 From: "Gustavo F. Padovan" Date: Tue, 8 Jun 2010 20:08:49 -0300 Subject: [PATCH] Bluetooth: Refuse ConfigRsp with different mode If our mode is Basic Mode we have to refuse any ConfigRsp that proposes a different mode. Signed-off-by: Gustavo F. Padovan Signed-off-by: Marcel Holtmann --- net/bluetooth/l2cap.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index ca9bab22577..c5904082392 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -2747,7 +2747,6 @@ static int l2cap_parse_conf_rsp(struct sock *sk, void *rsp, int len, void *data, rfc.mode != pi->mode) return -ECONNREFUSED; - pi->mode = rfc.mode; pi->fcs = 0; l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, @@ -2756,6 +2755,11 @@ static int l2cap_parse_conf_rsp(struct sock *sk, void *rsp, int len, void *data, } } + if (pi->mode == L2CAP_MODE_BASIC && pi->mode != rfc.mode) + return -ECONNREFUSED; + + pi->mode = rfc.mode; + if (*result == L2CAP_CONF_SUCCESS) { switch (rfc.mode) { case L2CAP_MODE_ERTM: -- 2.41.0