diff options
author | Paul Yang <paulyang.inf@gmail.com> | 2017-06-22 18:52:29 +0800 |
---|---|---|
committer | Bernd Edlinger <bernd.edlinger@hotmail.de> | 2017-06-26 15:40:16 +0200 |
commit | edea42c602854c902b7909a150cd2412d7b8f215 (patch) | |
tree | b0e97a08a199df553af3dd0f6144dda7d77538e5 /crypto/bn/bn_recp.c | |
parent | 9e1d5e8dff693cb2b658f66db4f10709d8364690 (diff) |
Change to check last return value of BN_CTX_get
To make it consistent in the code base
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
(Merged from https://github.com/openssl/openssl/pull/3749)
Diffstat (limited to 'crypto/bn/bn_recp.c')
-rw-r--r-- | crypto/bn/bn_recp.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/crypto/bn/bn_recp.c b/crypto/bn/bn_recp.c index 20585b9d4b..80bfa2d38b 100644 --- a/crypto/bn/bn_recp.c +++ b/crypto/bn/bn_recp.c @@ -1,5 +1,5 @@ /* - * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy @@ -87,17 +87,11 @@ int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, BIGNUM *a, *b, *d, *r; BN_CTX_start(ctx); + d = (dv != NULL) ? dv : BN_CTX_get(ctx); + r = (rem != NULL) ? rem : BN_CTX_get(ctx); a = BN_CTX_get(ctx); b = BN_CTX_get(ctx); - if (dv != NULL) - d = dv; - else - d = BN_CTX_get(ctx); - if (rem != NULL) - r = rem; - else - r = BN_CTX_get(ctx); - if (a == NULL || b == NULL || d == NULL || r == NULL) + if (b == NULL) goto err; if (BN_ucmp(m, &(recp->N)) < 0) { |