From: Mark Andrews <marka@isc.org>
Date: Mon, 29 Apr 2019 23:44:12 +0000 (+1000)
Subject: clear pointer before hash table
X-Git-Tag: v9.15.0~14^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4886701c0389b2f4b35364c2634e0b5b4a12eaa2;p=thirdparty%2Fbind9.git

clear pointer before hash table
---

diff --git a/lib/isc/ht.c b/lib/isc/ht.c
index efd689dcfa1..e8e3eb12d55 100644
--- a/lib/isc/ht.c
+++ b/lib/isc/ht.c
@@ -93,6 +93,8 @@ isc_ht_destroy(isc_ht_t **htp) {
 	REQUIRE(htp != NULL);
 
 	ht = *htp;
+	*htp = NULL;
+
 	REQUIRE(ISC_HT_VALID(ht));
 
 	ht->magic = 0;
@@ -114,7 +116,6 @@ isc_ht_destroy(isc_ht_t **htp) {
 	isc_mem_put(ht->mctx, ht->table, ht->size * sizeof(isc_ht_node_t*));
 	isc_mem_putanddetach(&ht->mctx, ht, sizeof(struct isc_ht));
 
-	*htp = NULL;
 }
 
 isc_result_t