Bluetooth: A2MP: Process A2MP Command Reject

Placeholder for future A2MP Command Reject handler.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

net/bluetooth/a2mp.c

@@ -63,6 +63,22 @@ static void a2mp_send(struct amp_mgr *mgr, u8 code, u8 ident, u16 len,
 	kfree(cmd);
 }
 
+/* Processing A2MP messages */
+static int a2mp_command_rej(struct amp_mgr *mgr, struct sk_buff *skb,
+			    struct a2mp_cmd *hdr)
+{
+	struct a2mp_cmd_rej *rej = (void *) skb->data;
+
+	if (le16_to_cpu(hdr->len) < sizeof(*rej))
+		return -EINVAL;
+
+	BT_DBG("ident %d reason %d", hdr->ident, le16_to_cpu(rej->reason));
+
+	skb_pull(skb, sizeof(*rej));
+
+	return 0;
+}
+
 /* Handle A2MP signalling */
 static int a2mp_chan_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb)
 {
@@ -89,6 +105,9 @@ static int a2mp_chan_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb)
 
 		switch (hdr->code) {
 		case A2MP_COMMAND_REJ:
+			a2mp_command_rej(mgr, skb, hdr);
+			break;
+
 		case A2MP_DISCOVER_REQ:
 		case A2MP_CHANGE_NOTIFY:
 		case A2MP_GETINFO_REQ: