--- a/libpurple/mediamanager.c Tue May 06 19:38:50 2014 +0200 +++ b/libpurple/mediamanager.c Tue May 06 20:07:13 2014 +0200 @@ -388,7 +388,11 @@ PurpleMedia *media) { #ifdef USE_VV - GList *list = g_list_find(manager->priv->medias, media); + GList *list; + + g_return_if_fail(manager != NULL); + + list = g_list_find(manager->priv->medias, media); if (list) manager->priv->medias = g_list_delete_link(manager->priv->medias, list);