Change to check last return value of BN_CTX_get

[openssl.git] / crypto / bn / bn_gcd.c

diff --git a/crypto/bn/bn_gcd.c b/crypto/bn/bn_gcd.c
index 067642644ec1020ec7b5c1031a922c0421ae76a2..ba41bc72d40ee89aa306346aa12130834a3ed60d 100644 (file)
--- a/crypto/bn/bn_gcd.c
+++ b/crypto/bn/bn_gcd.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
@@ -23,7 +23,7 @@ int BN_gcd(BIGNUM *r, const BIGNUM *in_a, const BIGNUM *in_b, BN_CTX *ctx)
     BN_CTX_start(ctx);
     a = BN_CTX_get(ctx);
     b = BN_CTX_get(ctx);
-    if (a == NULL || b == NULL)
+    if (b == NULL)
         goto err;
 
     if (BN_copy(a, in_a) == NULL)