From 1d13a254e14565e6a2d91f7552203406a30d1ee2 Mon Sep 17 00:00:00 2001
From: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Date: Mon, 15 Oct 2012 11:58:41 +0300
Subject: [PATCH] Bluetooth: AMP: Drop packets when no l2cap conn exist

High Speed hci_conn should always have l2cap_conn associated with it.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
---
 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 8faa3121bb44..99176730bf2c 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -5571,6 +5571,10 @@ int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)
 	struct l2cap_hdr *hdr;
 	int len;
 
+	/* For AMP controller do not create l2cap conn */
+	if (!conn && hcon->hdev->dev_type != HCI_BREDR)
+		goto drop;
+
 	if (!conn)
 		conn = l2cap_conn_add(hcon, 0);