From 972f8590e0bfa25a78b3ed19cb623a3c670102f9 Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Mon, 25 Feb 2019 19:10:00 +0100
Subject: [PATCH] fix dereference

---
 client/emv/emvjson.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/client/emv/emvjson.c b/client/emv/emvjson.c
index fc10f255c..dc409a2a5 100644
--- a/client/emv/emvjson.c
+++ b/client/emv/emvjson.c
@@ -259,7 +259,8 @@ bool HexToBuffer(const char *errormsg, const char *hexvalue, uint8_t * buffer, s
 		return false;
 	}
 	
-	*bufferlen = buflen;
+	if ( bufferlen )
+		*bufferlen = buflen;
 	
 	return true;
 }