From 1ed3bc248c5156be6bf85b550e948d4ece5091ac Mon Sep 17 00:00:00 2001
From: ZZMarquis <zhonglingjian3821@163.com>
Date: Fri, 28 Dec 2018 16:10:58 +0800
Subject: [PATCH] maybe memory leak

maybe memory leak
---
 crypto/asn1/a_sign.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/crypto/asn1/a_sign.c b/crypto/asn1/a_sign.c
index 200c1e6b..1a02e800 100644
--- a/crypto/asn1/a_sign.c
+++ b/crypto/asn1/a_sign.c
@@ -211,8 +211,9 @@ int ASN1_item_sign_ctx(const ASN1_ITEM *it,
 #ifndef OPENSSL_NO_SM2
     if (OBJ_obj2nid(algor1->algorithm) == NID_sm2sign_with_sm3) {
         if (!EVP_PKEY_CTX_set_ec_scheme(EVP_MD_CTX_pkey_ctx(ctx), NID_sm_scheme)) {
+            outl = 0;
             ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX, ERR_R_EC_LIB);
-            return 0;
+            goto err;
         }
     }
 #endif