From 7b58445ebd3218011c1cebdc0e6693cb008bb006 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 3 Apr 2013 18:28:56 +0000
Subject: * ext/openssl/ossl_bn.c (ossl_bn_initialize): fix can't create from
 bn.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40090 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/openssl/ossl_bn.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'ext')

diff --git a/ext/openssl/ossl_bn.c b/ext/openssl/ossl_bn.c
index 5d690af52d..822b854efe 100644
--- a/ext/openssl/ossl_bn.c
+++ b/ext/openssl/ossl_bn.c
@@ -119,11 +119,11 @@ ossl_bn_initialize(int argc, VALUE *argv, VALUE self)
     if (rb_scan_args(argc, argv, "11", &str, &bs) == 2) {
 	base = NUM2INT(bs);
     }
-    StringValue(str);
-    GetBN(self, bn);
+
     if (RTEST(rb_obj_is_kind_of(str, cBN))) {
 	BIGNUM *other;
 
+	GetBN(self, bn);
 	GetBN(str, other); /* Safe - we checked kind_of? above */
 	if (!BN_copy(bn, other)) {
 	    ossl_raise(eBNError, NULL);
@@ -131,6 +131,8 @@ ossl_bn_initialize(int argc, VALUE *argv, VALUE self)
 	return self;
     }
 
+    StringValue(str);
+    GetBN(self, bn);
     switch (base) {
     case 0:
 	if (!BN_mpi2bn((unsigned char *)RSTRING_PTR(str), RSTRING_LENINT(str), bn)) {
-- 
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