From ab42d4ec864b096a85da5ee28fd6341b81d387b1 Mon Sep 17 00:00:00 2001
From: Bruno Silvestre <brunoos@inf.ufg.br>
Date: Wed, 28 Jan 2015 16:19:19 -0200
Subject: [PATCH] Stop if we don't have a string.

---
 src/x509.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/x509.c b/src/x509.c
index fd893db..4c8ef65 100644
--- a/src/x509.c
+++ b/src/x509.c
@@ -88,8 +88,10 @@ static void push_asn1_string(lua_State* L, ASN1_STRING *string, int encode)
 {
   int len;
   unsigned char *data;
-  if (!string)
+  if (!string) {
     lua_pushnil(L);
+    return;
+  }
   switch (encode) {
   case LSEC_AI5_STRING:
     lua_pushlstring(L, (char*)ASN1_STRING_data(string),