From b06ac133138db3d0cedd0de0411543e2373de824 Mon Sep 17 00:00:00 2001
From: Michael Graff <mgraff@isc.org>
Date: Thu, 4 Nov 1999 18:42:27 +0000
Subject: [PATCH] check for NULL before filling in retured node pointer.

---
 lib/dns/rbtdb.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c
index 0321ab2d46..ac8bd203b5 100644
--- a/lib/dns/rbtdb.c
+++ b/lib/dns/rbtdb.c
@@ -2413,8 +2413,10 @@ cache_find(dns_db_t *db, dns_name_t *name, dns_dbversion_t *version,
 		 * deepest zone cut.
 		 */
 		if (nsheader != NULL) {
-			new_reference(search.rbtdb, node);
-			*nodep = node;
+			if (nodep != NULL) {
+				new_reference(search.rbtdb, node);
+				*nodep = node;
+			}
 			bind_rdataset(search.rbtdb, node, nsheader, search.now,
 				      rdataset);
 			if (nssig != NULL)