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minor findnode optimization

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when searching the cache for a node so that we can delete an
rdataset, it is not necessary to set the 'create' flag. if the
node doesn't exist yet, we then we won't be able to delete
anything from it anyway.

(cherry picked from commit 6b720bfe1a)
This commit is contained in:
Evan Hunt 2024-07-12 14:06:20 -07:00 committed by Ondřej Surý
parent 074c7cc12c
commit b4fc8e6294
1 changed files with 1 additions and 2 deletions
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3
lib/dns/resolver.c
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@ -5220,7 +5220,7 @@ validated(void *arg) {
result = ISC_R_NOTFOUND;
if (val->rdataset != NULL) {
result = dns_db_findnode(fctx->cache, val->name,
true, &node);
false, &node);
}
if (result == ISC_R_SUCCESS) {
(void)dns_db_deleterdataset(fctx->cache, node,
@ -5858,7 +5858,6 @@ cache_name(fetchctx_t *fctx, dns_name_t *name, dns_message_t *message,
/*
* Find or create the cache node.
*/
node = NULL;
result = dns_db_findnode(fctx->cache, name, true, &node);
if (result != ISC_R_SUCCESS) {
return (result);