From 73016bd7efa220775023c08226c0526939a7ee6a Mon Sep 17 00:00:00 2001
From: Bob Halley <source@isc.org>
Date: Fri, 11 Feb 2000 02:17:56 +0000
Subject: [PATCH] In the case where an rdataset subtraction resulted in the
 nonexistence of the rrset, the subtraction code created a nonexistent
 rdataset entry with an incorrect type (the "covers" part of the type was not
 set).

---
 lib/dns/rbtdb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c
index 8da289a253..b4eef9a731 100644
--- a/lib/dns/rbtdb.c
+++ b/lib/dns/rbtdb.c
@@ -3455,7 +3455,7 @@ subtractrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 				goto unlock;
 			}
 			newheader->ttl = 0;
-			newheader->type = rdataset->type;
+			newheader->type = topheader->type;
 			newheader->attributes = RDATASET_ATTR_NONEXISTENT;
 			newheader->trust = 0;
 			newheader->serial = rbtversion->serial;