From 9d44cd1642c85c95ffb5ac0cfc2af800291fd49a Mon Sep 17 00:00:00 2001
From: "Dr. Stephen Henson" <steve@openssl.org>
Date: Mon, 8 Dec 2008 19:13:06 +0000
Subject: [PATCH] Oops should check zero_pos >= 0.

---
 crypto/x509v3/v3_utl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/x509v3/v3_utl.c b/crypto/x509v3/v3_utl.c
index 1a866aaa83..706a2b4b42 100644
--- a/crypto/x509v3/v3_utl.c
+++ b/crypto/x509v3/v3_utl.c
@@ -739,7 +739,7 @@ static int ipv6_from_asc(unsigned char *v6, const char *in)
 
 	/* Format result */
 
-	if (v6stat.zero_pos > 0)
+	if (v6stat.zero_pos >= 0)
 		{
 		/* Copy initial part */
 		memcpy(v6, v6stat.tmp, v6stat.zero_pos);