bind/backport-0043-Defer-read-of-zl-server-and-zl-reconfig-until.patch
jiangheng ad37c37958 backport some patches from community
(cherry picked from commit a9fd9ece9b9436b6103d084920c6897ef1adbae6)
2022-09-03 21:36:21 +08:00

42 lines
1.1 KiB
Diff

From 00d315046bd38a660ce885c64b01fb11f2ab8574 Mon Sep 17 00:00:00 2001
From: Mark Andrews <marka@isc.org>
Date: Fri, 21 Aug 2020 19:51:59 +1000
Subject: [PATCH] Defer read of zl->server and zl->reconfig until
the reference counter has gone to zero and there is
nolonger a possibility of changes in other threads.
Conflict: NA
Reference: https://gitlab.isc.org/isc-projects/bind9/-/commit/00d315046bd38a660ce885c64b01fb11f2ab8574
---
bin/named/server.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/bin/named/server.c b/bin/named/server.c
index 79d5d4c00b..6aca0224c7 100644
--- a/bin/named/server.c
+++ b/bin/named/server.c
@@ -8725,8 +8725,8 @@ static isc_result_t
view_loaded(void *arg) {
isc_result_t result;
ns_zoneload_t *zl = (ns_zoneload_t *) arg;
- ns_server_t *server = zl->server;
- bool reconfig = zl->reconfig;
+ ns_server_t *server;
+ bool reconfig;
unsigned int refs;
@@ -8742,6 +8742,9 @@ view_loaded(void *arg) {
if (refs != 0)
return (ISC_R_SUCCESS);
+ server = zl->server;
+ reconfig = zl->reconfig;
+
isc_refcount_destroy(&zl->refs);
isc_mem_put(server->mctx, zl, sizeof (*zl));
--
2.23.0