From e082ac1dc672b39b219d233775e6467634177f62 Mon Sep 17 00:00:00 2001
From: hasso <hasso>
Date: Mon, 27 Sep 2004 18:13:57 +0000
Subject: This code didn't survive valgrinding. I wonder how it survived normal
 run.

---
 isisd/ChangeLog  | 4 ++++
 isisd/isis_pdu.c | 3 +++
 2 files changed, 7 insertions(+)

(limited to 'isisd')

diff --git a/isisd/ChangeLog b/isisd/ChangeLog
index 726593ab..b95bdbf9 100644
--- a/isisd/ChangeLog
+++ b/isisd/ChangeLog
@@ -1,3 +1,7 @@
+2004-09-27 Hasso Tepper <hasso at quagga.net>
+
+	* isis_pdu.c: Fix accessing NULL found by valgrind.
+
 2004-09-26 Hasso Tepper <hasso at quagga.net>
 
 	* isis_circuit.c: Fix previous commit. Don't schedule LSP regeneration
diff --git a/isisd/isis_pdu.c b/isisd/isis_pdu.c
index 436240ef..3e5154c6 100644
--- a/isisd/isis_pdu.c
+++ b/isisd/isis_pdu.c
@@ -141,6 +141,9 @@ ip_match (struct list *left, struct list *right)
   struct in_addr *ip2;
   struct listnode *node1, *node2;
 
+  if ((left == NULL) || (right == NULL))
+    return 0;
+  
   LIST_LOOP (left, ip1, node1)
   {
     LIST_LOOP (right, ip2, node2)
-- 
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