From: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Date: Mon, 15 Oct 2012 08:58:41 +0000 (+0300)
Subject: Bluetooth: AMP: Drop packets when no l2cap conn exist
X-Git-Tag: next-20121016~45^2~2
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1d13a254e14565e6a2d91f7552203406a30d1ee2;p=karo-tx-linux.git

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>
---

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);