grab a write lock before updating header->trust

diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c
index 3f8c1e377b8bd48cd51799f408a49985d2480085..f7f27531cd664f509ee49adeb6368cc291581708 100644 (file)
--- a/lib/dns/rbtdb.c
+++ b/lib/dns/rbtdb.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rbtdb.c,v 1.299 2010/02/25 04:39:13 marka Exp $ */
+/* $Id: rbtdb.c,v 1.300 2010/02/26 00:18:06 marka Exp $ */
 
 /*! \file */
 
@@ -7668,10 +7668,16 @@ 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