From: Mark Andrews <marka@isc.org>
Date: Thu, 20 Jul 2023 03:10:29 +0000 (+1000)
Subject: Take ownership of pointer before freeing
X-Git-Tag: v9.19.17~17^2~5
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9e2288208de3d3eabac89ee5158f4b94e8ade00f;p=thirdparty%2Fbind9.git

Take ownership of pointer before freeing
---

diff --git a/lib/isc/tls.c b/lib/isc/tls.c
index 314de8b6a60..e6996f43a62 100644
--- a/lib/isc/tls.c
+++ b/lib/isc/tls.c
@@ -844,10 +844,12 @@ isc_tls_create(isc_tlsctx_t *ctx) {
 
 void
 isc_tls_free(isc_tls_t **tlsp) {
+	isc_tls_t *tls = NULL;
 	REQUIRE(tlsp != NULL && *tlsp != NULL);
 
-	SSL_free(*tlsp);
+	tls = *tlsp;
 	*tlsp = NULL;
+	SSL_free(tls);
 }
 
 const char *