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in dbiterator_destroy(), gained a reference to db before using an mctx

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associated with the db, in case that we had the last reference.
[RT #3588]
This commit is contained in:
Tatuya JINMEI 神明達哉
2002-10-10 13:50:02 +00:00
parent 407c1bd3aa
commit 1e850a433a
1 changed files with 5 additions and 2 deletions
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7
lib/dns/rbtdb.c
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@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/ */
/* $Id: rbtdb.c,v 1.179 2002/09/10 13:35:54 marka Exp $ */ /* $Id: rbtdb.c,v 1.180 2002/10/10 13:50:02 jinmei Exp $ */
/* /*
* Principal Author: Bob Halley * Principal Author: Bob Halley
@@ -4748,6 +4748,7 @@ static void
dbiterator_destroy(dns_dbiterator_t **iteratorp) { dbiterator_destroy(dns_dbiterator_t **iteratorp) {
rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)(*iteratorp); rbtdb_dbiterator_t *rbtdbiter = (rbtdb_dbiterator_t *)(*iteratorp);
dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)rbtdbiter->common.db; dns_rbtdb_t *rbtdb = (dns_rbtdb_t *)rbtdbiter->common.db;
dns_db_t *db = NULL;
if (rbtdbiter->tree_locked == isc_rwlocktype_read) { if (rbtdbiter->tree_locked == isc_rwlocktype_read) {
RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_read); RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_read);
@@ -4759,10 +4760,12 @@ dbiterator_destroy(dns_dbiterator_t **iteratorp) {
flush_deletions(rbtdbiter); flush_deletions(rbtdbiter);
dns_db_attach(rbtdbiter->common.db, &db);
dns_db_detach(&rbtdbiter->common.db); dns_db_detach(&rbtdbiter->common.db);
dns_rbtnodechain_reset(&rbtdbiter->chain); dns_rbtnodechain_reset(&rbtdbiter->chain);
isc_mem_put(rbtdb->common.mctx, rbtdbiter, sizeof(*rbtdbiter)); isc_mem_put(db->mctx, rbtdbiter, sizeof(*rbtdbiter));
dns_db_detach(&db);
*iteratorp = NULL; *iteratorp = NULL;
} }