From 3cbc87c31f76262980d54ddbcdda7875be37b684 Mon Sep 17 00:00:00 2001
From: Mark Andrews <marka@isc.org>
Date: Tue, 15 Mar 2005 00:32:42 +0000
Subject: [PATCH] 1825.   [bug]           Missing unlock on out of memory error
 from in                         rbtdb.c:subtractrdataset().  [RT #13519]

---
 CHANGES         | 3 +++
 lib/dns/rbtdb.c | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/CHANGES b/CHANGES
index 720ef4eaa2..17f266f88b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+1825.	[bug]		Missing unlock on out of memory error from in
+			rbtdb.c:subtractrdataset().  [RT #13519]
+
 1824.	[bug]		Memory leak on dns_zone_setdbtype() failure.
 			[RT #13510]
 
diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c
index 30959ddaa5..4f334d7f7e 100644
--- a/lib/dns/rbtdb.c
+++ b/lib/dns/rbtdb.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rbtdb.c,v 1.201 2004/12/21 10:45:17 jinmei Exp $ */
+/* $Id: rbtdb.c,v 1.202 2005/03/15 00:32:42 marka Exp $ */
 
 /*
  * Principal Author: Bob Halley
@@ -4435,6 +4435,7 @@ subtractrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 	changed = add_changed(rbtdb, rbtversion, rbtnode);
 	if (changed == NULL) {
 		free_rdataset(rbtdb->common.mctx, newheader);
+		UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock);
 		return (ISC_R_NOMEMORY);
 	}