From ae4fd2d37433ba58e17adbf1694b7b66eeaec76c Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Thu, 3 Oct 2013 00:03:39 -0700 Subject: [PATCH] Bluetooth: L2CAP connectionless channels are only valid for BR/EDR When receiving connectionless packets on a LE connection, just drop the packet. There is no concept of connectionless channels for LE. 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 65c53719b76c..102a510a153a 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -6403,8 +6403,12 @@ done: static void l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm, struct sk_buff *skb) { + struct hci_conn *hcon = conn->hcon; struct l2cap_chan *chan; + if (hcon->type != ACL_LINK) + goto drop; + chan = l2cap_global_chan_by_psm(0, psm, conn->src, conn->dst); if (!chan) goto drop; -- 2.39.5