From 535cedf13672593d417fde4a26183dbe52bbe874 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bodo=20M=C3=B6ller?= <bodo@openssl.org>
Date: Thu, 29 Aug 2002 11:35:42 +0000
Subject: [PATCH] don't memset(data,0,...) if data is NULL

Submitted by: anonymous
PR: 254
---
 crypto/pem/pem_lib.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/crypto/pem/pem_lib.c b/crypto/pem/pem_lib.c
index 18b751a91..a8db6ffbf 100644
--- a/crypto/pem/pem_lib.c
+++ b/crypto/pem/pem_lib.c
@@ -366,8 +366,11 @@ err:
 	memset(iv,0,sizeof(iv));
 	memset((char *)&ctx,0,sizeof(ctx));
 	memset(buf,0,PEM_BUFSIZE);
-	memset(data,0,(unsigned int)dsize);
-	OPENSSL_free(data);
+	if (data != NULL)
+		{
+		memset(data,0,(unsigned int)dsize);
+		OPENSSL_free(data);
+		}
 	return(ret);
 	}