grab a write lock before updating header->trust

diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c
index 11962f1bd4db62aff2b05b7489982dfeef5b802d..25b08250aef022f6a7c5a1876884740e19e8058b 100644 (file)
--- a/lib/dns/rbtdb.c
+++ b/lib/dns/rbtdb.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rbtdb.c,v 1.270.12.18 2010/02/25 10:56:40 tbox Exp $ */
+/* $Id: rbtdb.c,v 1.270.12.19 2010/02/26 00:25:27 marka Exp $ */
 
 /*! \file */
 
@@ -7413,10 +7413,16 @@ rdataset_getclosest(dns_rdataset_t *rdataset, dns_name_t *name,
 
 static void
 rdataset_settrust(dns_rdataset_t *rdataset, dns_trust_t trust) {
+       dns_rbtdb_t *rbtdb = rdataset->private1;
+       dns_rbtnode_t *rbtnode = rdataset->private2;
        rdatasetheader_t *header = rdataset->private3;
 
        header--;
+       NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock,
+                 isc_rwlocktype_write);
        header->trust = rdataset->trust = trust;
+       NODE_UNLOCK(&rbtdb->node_locks[rbtnode->locknum].lock,
+                 isc_rwlocktype_write);
 }
 
 static void