Convert BN_copy() with explicit comparison against NULL to bn_copy()

ok jsing

1 files changed, 3 insertions, 3 deletions

diff --git a/src/lib/libcrypto/bn/bn_exp.c b/src/lib/libcrypto/bn/bn_exp.c
index 9e4497bb06..4944daa48c 100644
--- a/src/lib/libcrypto/bn/bn_exp.c
+++ b/src/lib/libcrypto/bn/bn_exp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bn_exp.c,v 1.41 2023/03/26 19:09:42 tb Exp $ */
+/* $OpenBSD: bn_exp.c,v 1.42 2023/03/27 10:21:23 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -142,12 +142,12 @@ BN_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)
         if (rr == NULL || v == NULL)
                 goto err;
 
-        if (BN_copy(v, a) == NULL)
+        if (!bn_copy(v, a))
                 goto err;
         bits = BN_num_bits(p);
 
         if (BN_is_odd(p)) {
-                if (BN_copy(rr, a) == NULL)
+                if (!bn_copy(rr, a))
                         goto err;
         } else {
                 if (!BN_one(rr))