Bluetooth: Ignore A2MP data on non-BR/EDR links

The A2MP CID is only valid for BR/EDR transports. We should ignore A2MP
data on non-BR/EDR links and refuse to create an amp_mgr object.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index fe32a334a52d..efcd108822c4 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -836,6 +836,9 @@ struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn,
 {
         struct amp_mgr *mgr;
 
+        if (conn->hcon->type != ACL_LINK)
+                return NULL;
+
         mgr = amp_mgr_create(conn, false);
         if (!mgr) {
                 BT_ERR("Could not create AMP manager");