--- a/jingle/sessions.c	Fri Aug 13 01:23:59 2010 +0200
+++ b/jingle/sessions.c	Fri Aug 13 13:53:12 2010 +0200
@@ -276,6 +276,10 @@
 {
   // TODO: check that the module is always loaded
   JingleSession *sess = session_find_by_sid(sid, from);
+  if (sess == NULL) {
+    scr_LogPrint(LPRINT_LOGNORM, "Session not found (%s)", name);
+    return;
+  }
   SessionContent *sc = session_find_sessioncontent(sess, name);
   sc->transfuncs->send(sess->to, sc->transport, data, size);
 }