dbus: No need to recompute group object path on GroupStarted signal

The group object is already registered on DBus at that point, thus wpa_s
structure holds its path already.

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>

wpa_supplicant/dbus/dbus_new.c

@@ -1169,7 +1169,6 @@ void wpas_dbus_signal_p2p_group_started(struct wpa_supplicant *wpa_s,
 	DBusMessage *msg;
 	DBusMessageIter iter, dict_iter;
 	struct wpas_dbus_priv *iface;
-	char group_obj_path[WPAS_DBUS_OBJECT_PATH_MAX];
 
 	iface = wpa_s->parent->global->dbus;
 
@@ -1177,14 +1176,13 @@ void wpas_dbus_signal_p2p_group_started(struct wpa_supplicant *wpa_s,
 	if (iface == NULL)
 		return;
 
-	if (wpas_dbus_get_group_obj_path(wpa_s, ssid, group_obj_path) < 0)
+	if (wpa_s->dbus_groupobj_path == NULL)
 		return;
 
 	/* New interface has been created for this group */
 	msg = dbus_message_new_signal(wpa_s->parent->dbus_new_path,
 				      WPAS_DBUS_NEW_IFACE_P2PDEVICE,
 				      "GroupStarted");
-
 	if (msg == NULL)
 		return;
 
@@ -1207,7 +1205,7 @@ void wpas_dbus_signal_p2p_group_started(struct wpa_supplicant *wpa_s,
 		goto nomem;
 
 	if (!wpa_dbus_dict_append_object_path(&dict_iter, "group_object",
-					     group_obj_path) ||
+					      wpa_s->dbus_groupobj_path) ||
 	   !wpa_dbus_dict_close_write(&iter, &dict_iter))
 		goto nomem;