From 47ef143bf329e8d15f0832886a6a80d77a718cd4 Mon Sep 17 00:00:00 2001
From: tb <>
Date: Thu, 24 Sep 2020 19:22:18 +0000
Subject: Make free_strings() NULL safe

ok jsing
---
 src/lib/libcrypto/ui/ui_lib.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/lib')

diff --git a/src/lib/libcrypto/ui/ui_lib.c b/src/lib/libcrypto/ui/ui_lib.c
index 06b29b8cee..27c7e5126f 100644
--- a/src/lib/libcrypto/ui/ui_lib.c
+++ b/src/lib/libcrypto/ui/ui_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ui_lib.c,v 1.34 2018/06/02 04:45:21 tb Exp $ */
+/* $OpenBSD: ui_lib.c,v 1.35 2020/09/24 19:22:18 tb Exp $ */
 /* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
  * project 2001.
  */
@@ -99,6 +99,8 @@ UI_new_method(const UI_METHOD *method)
 static void
 free_string(UI_STRING *uis)
 {
+	if (uis == NULL)
+		return;
 	if (uis->flags & OUT_STRING_FREEABLE) {
 		free((char *) uis->out_string);
 		switch (uis->type) {
-- 
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