Convert BN_copy() with missing error checks to bn_copy()

ok jsing

1 files changed, 3 insertions, 2 deletions

diff --git a/src/lib/libcrypto/rsa/rsa_gen.c b/src/lib/libcrypto/rsa/rsa_gen.c
index 7aefa7301c..d4a4d60a86 100644
--- a/src/lib/libcrypto/rsa/rsa_gen.c
+++ b/src/lib/libcrypto/rsa/rsa_gen.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: rsa_gen.c,v 1.26 2022/11/26 16:08:54 tb Exp $ */
+/* $OpenBSD: rsa_gen.c,v 1.27 2023/03/27 10:22:47 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -131,7 +131,8 @@ rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb)
         if (!rsa->iqmp && ((rsa->iqmp = BN_new()) == NULL))
                 goto err;
 
-        BN_copy(rsa->e, e_value);
+        if (!bn_copy(rsa->e, e_value))
+                goto err;
 
         /* generate p and q */
         for (;;) {