Check error for calls to preparePeerConnection

client/lib/webrtc.go

@@ -127,7 +127,9 @@ func (c *WebRTCPeer) connect(config *webrtc.Configuration, broker *BrokerChannel
 	log.Println(c.id, " connecting...")
 	// TODO: When go-webrtc is more stable, it's possible that a new
 	// PeerConnection won't need to be re-prepared each time.
-	c.preparePeerConnection(config)
+	if err := c.preparePeerConnection(config); err != nil {
+		return err
+	}
 	answer, err := broker.Negotiate(c.pc.LocalDescription())
 	if err != nil {
 		return err