commit e082ac1dc672b39b219d233775e6467634177f62
author hasso <hasso> Mon Sep 27 18:13:57 2004 +0000
committer hasso <hasso> Mon Sep 27 18:13:57 2004 +0000
tree e5c5b686371454fa13ae2b81cdb72006ef84e8ba
parent 6a99f83175d7b5b5868fb82328d569672b8bb9a4

This code didn't survive valgrinding. I wonder how it survived normal run.

isisd/isis_pdu.c

diff --git a/isisd/isis_pdu.c b/isisd/isis_pdu.c
index 436240e..3e5154c 100644
--- a/isisd/isis_pdu.c
+++ b/isisd/isis_pdu.c
@@ -141,6 +141,9 @@
   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)