From b99707d7ee887f9df8b3f7cf75e1e9dbf3206df3 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Thu, 3 Oct 2013 02:54:11 -0700 Subject: [PATCH] Bluetooth: Drop packets on ATT fixed channel on BR/EDR The ATT fixed channel is only valid when using LE connections. On BR/EDR it is required to go through L2CAP connection oriented channel for ATT. Drop ATT packets when they are received on a BR/EDR connection. Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- net/bluetooth/l2cap_core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 102a510a153a..583517e1dd43 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -6431,8 +6431,12 @@ drop: static void l2cap_att_channel(struct l2cap_conn *conn, struct sk_buff *skb) { + struct hci_conn *hcon = conn->hcon; struct l2cap_chan *chan; + if (hcon->type != LE_LINK) + goto drop; + chan = l2cap_global_chan_by_scid(BT_CONNECTED, L2CAP_CID_ATT, conn->src, conn->dst); if (!chan) -- 2.20.1