P2P: Process Invitation Request from previously unknown peer

Since this message now includes P2P Device Info attribute, it is
reasonable to learn the peer data and process the message instead of
rejecting the message.

src/p2p/p2p_invitation.c

@@ -122,12 +122,27 @@ void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
 		return;
 
 	dev = p2p_get_device(p2p, sa);
-	if (dev == NULL) {
+	if (dev == NULL || (dev->flags & P2P_DEV_PROBE_REQ_ONLY)) {
 		wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
-			"P2P: Reject Invitation Request from unknown peer "
+			"P2P: Invitation Request from unknown peer "
 			MACSTR, MAC2STR(sa));
-		status = P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
-		goto fail;
+
+		if (p2p_add_device(p2p, sa, rx_freq, 0, data + 1, len - 1)) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Invitation Request add device failed "
+				MACSTR, MAC2STR(sa));
+			status = P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
+			goto fail;
+		}
+
+		dev = p2p_get_device(p2p, sa);
+		if (dev == NULL) {
+			wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
+				"P2P: Reject Invitation Request from unknown "
+				"peer " MACSTR, MAC2STR(sa));
+			status = P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE;
+			goto fail;
+		}
 	}
 
 	if (!msg.group_id || !msg.channel_list) {