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catzs->view should maintain a view reference

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Use dns_view_weakattach and dns_view_weakdetach to maintain a
reference to the view referenced through catzs->view.

(cherry picked from commit 307e3ed9a6)
This commit is contained in:
Mark Andrews 2024-04-30 11:04:31 +10:00
parent af3763a35d
commit d12def13f6
1 changed files with 9 additions and 1 deletions
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10
lib/dns/catz.c
View file

@ -818,7 +818,12 @@ dns_catz_catzs_set_view(dns_catz_zones_t *catzs, dns_view_t *view) {
/* Either it's a new one or it's being reconfigured. */
REQUIRE(catzs->view == NULL || !strcmp(catzs->view->name, view->name));
catzs->view = view;
if (catzs->view == NULL) {
dns_view_weakattach(view, &catzs->view);
} else if (catzs->view != view) {
dns_view_weakdetach(&catzs->view);
dns_view_weakattach(view, &catzs->view);
}
}
isc_result_t
@ -1034,6 +1039,9 @@ dns__catz_zones_destroy(dns_catz_zones_t *catzs) {
isc_task_detach(&catzs->updater);
isc_mutex_destroy(&catzs->lock);
isc_refcount_destroy(&catzs->references);
if (catzs->view != NULL) {
dns_view_weakdetach(&catzs->view);
}
isc_mem_putanddetach(&catzs->mctx, catzs, sizeof(*catzs));
}