From 1b63904721aa6ca1aabafe23bcf28c5a2ceb2cd8 Mon Sep 17 00:00:00 2001
From: hasso <hasso>
Date: Sun, 27 Mar 2005 13:32:25 +0000
Subject: 	* ospf_snmp.c: Don't crash in snmp query if ospf instance
 doesn't 	  exist at all.

	[backport candidate]
---
 ospfd/ChangeLog   | 5 +++++
 ospfd/ospf_snmp.c | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/ospfd/ChangeLog b/ospfd/ChangeLog
index 720826d3..f25e7c8a 100644
--- a/ospfd/ChangeLog
+++ b/ospfd/ChangeLog
@@ -1,3 +1,8 @@
+2005-03-27 Hasso Tepper <hasso at quagga.net>
+
+	* ospf_snmp.c: Don't crash in snmp query if ospf instance doesn't
+	  exist at all.
+
 2005-03-25 Hasso Tepper <hasso at quagga.net>
 
 	* ospfd.h: Include log.h, fixes compile with gcc-4.0.
diff --git a/ospfd/ospf_snmp.c b/ospfd/ospf_snmp.c
index 0cf257da..c1994ab4 100644
--- a/ospfd/ospf_snmp.c
+++ b/ospfd/ospf_snmp.c
@@ -2130,6 +2130,9 @@ ospfNbrLookup (struct variable *v, oid *name, size_t *length,
 
   ospf = ospf_lookup ();
 
+  if (! ospf)
+    return NULL;
+
   if (exact)
     {
       if (*length != v->namelen + IN_ADDR_SIZE + 1)
-- 
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