--- bridge_softmix.c	2011-07-14 23:25:31.000000000 +0300
+++ bridge_softmix.c-mod	2012-02-27 20:24:08.000000000 +0200
@@ -297,7 +297,7 @@
 static void softmix_bridge_data_destroy(void *obj)
 {
 	struct softmix_bridge_data *softmix_data = obj;
-	ast_timer_close(softmix_data->timer);
+	if(softmix_data->timer!=NULL) ast_timer_close(softmix_data->timer);
 }
 
 /*! \brief Function called when a bridge is created */