From 1872808932603066d401d3de97db11af8ffee78a Mon Sep 17 00:00:00 2001
From: Andreas Gustafsson <source@isc.org>
Date: Thu, 23 Mar 2000 20:33:15 +0000
Subject: [PATCH] don't access freed memory

---
 lib/dns/validator.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/lib/dns/validator.c b/lib/dns/validator.c
index 2a0db16dbd..12aa9e03bc 100644
--- a/lib/dns/validator.c
+++ b/lib/dns/validator.c
@@ -463,7 +463,7 @@ dns_validator_cancel(dns_validator_t *validator) {
 
 static void
 destroy(dns_validator_t *val) {
-	dns_view_t *view;
+	isc_mem_t *mctx;
 
 	REQUIRE(SHUTDOWN(val));
 	REQUIRE(val->event == NULL);
@@ -473,12 +473,11 @@ destroy(dns_validator_t *val) {
 		dst_key_free(val->key);
 	if (val->keynode != NULL)
 		dns_keytable_detachkeynode(val->keytable, &val->keynode);
-	view = val->view;
 	isc_mutex_destroy(&val->lock);
-	val->magic = 0;
-	isc_mem_put(view->mctx, val, sizeof *val);
-
+	mctx = val->view->mctx;
 	dns_view_detach(&val->view);
+	val->magic = 0;
+	isc_mem_put(mctx, val, sizeof *val);
 }
 
 void