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don't disturb search->chain when calling find_coveringnsec

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Mark Andrews 2017-09-08 06:48:41 +10:00
parent 5bbf111a03
commit e01d88e885
1 changed files with 5 additions and 4 deletions
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9
lib/dns/rbtdb.c
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@ -4920,6 +4920,9 @@ find_coveringnsec(rbtdb_search_t *search, dns_dbnode_t **nodep,
rbtdb_rdatatype_t matchtype, sigmatchtype; rbtdb_rdatatype_t matchtype, sigmatchtype;
nodelock_t *lock; nodelock_t *lock;
isc_rwlocktype_t locktype; isc_rwlocktype_t locktype;
dns_rbtnodechain_t chain;
chain = search->chain;
matchtype = RBTDB_RDATATYPE_VALUE(dns_rdatatype_nsec, 0); matchtype = RBTDB_RDATATYPE_VALUE(dns_rdatatype_nsec, 0);
sigmatchtype = RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, sigmatchtype = RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig,
@ -4931,8 +4934,7 @@ find_coveringnsec(rbtdb_search_t *search, dns_dbnode_t **nodep,
name = dns_fixedname_name(&fname); name = dns_fixedname_name(&fname);
dns_fixedname_init(&forigin); dns_fixedname_init(&forigin);
origin = dns_fixedname_name(&forigin); origin = dns_fixedname_name(&forigin);
result = dns_rbtnodechain_current(&search->chain, name, result = dns_rbtnodechain_current(&chain, name, origin, &node);
origin, &node);
if (result != ISC_R_SUCCESS) if (result != ISC_R_SUCCESS)
return (result); return (result);
locktype = isc_rwlocktype_read; locktype = isc_rwlocktype_read;
@ -4986,8 +4988,7 @@ find_coveringnsec(rbtdb_search_t *search, dns_dbnode_t **nodep,
} else if (!empty_node) { } else if (!empty_node) {
result = ISC_R_NOTFOUND; result = ISC_R_NOTFOUND;
} else } else
result = dns_rbtnodechain_prev(&search->chain, NULL, result = dns_rbtnodechain_prev(&chain, NULL, NULL);
NULL);
unlock_node: unlock_node:
NODE_UNLOCK(lock, locktype); NODE_UNLOCK(lock, locktype);
} while (empty_node && result == ISC_R_SUCCESS); } while (empty_node && result == ISC_R_SUCCESS);