--- a/networkprotocols/tcpipv4v6prt/src/in_trans.cpp	Fri Apr 16 16:36:59 2010 +0300
+++ b/networkprotocols/tcpipv4v6prt/src/in_trans.cpp	Mon May 03 13:58:16 2010 +0300
@@ -755,8 +755,8 @@
 		iNext = NULL;
 		return aChain.Length();
 		}
-
-	p->Unlink();
+	if(p != NULL)
+		p->Unlink();
 	aChain = iNext;
 	iNext = m;