From 5f85777278a169e792b8bedccb5cb32d83f52ac6 Mon Sep 17 00:00:00 2001
From: tb <>
Date: Wed, 5 Jul 2023 12:49:42 +0000
Subject: Improve BN_bn2bin() error check for readability

---
 src/lib/libcrypto/ecdsa/ecdsa.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/lib/libcrypto/ecdsa/ecdsa.c b/src/lib/libcrypto/ecdsa/ecdsa.c
index 20d605cafd..d0cc846af3 100644
--- a/src/lib/libcrypto/ecdsa/ecdsa.c
+++ b/src/lib/libcrypto/ecdsa/ecdsa.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ecdsa.c,v 1.2 2023/07/05 12:27:36 tb Exp $ */
+/* $OpenBSD: ecdsa.c,v 1.3 2023/07/05 12:49:42 tb Exp $ */
 /* ====================================================================
  * Copyright (c) 2000-2002 The OpenSSL Project.  All rights reserved.
  *
@@ -196,7 +196,7 @@ ecdsa_prepare_digest(const unsigned char *digest, int digest_len,
 	const EC_GROUP *group;
 	int digest_bits, order_bits;
 
-	if (!BN_bin2bn(digest, digest_len, e)) {
+	if (BN_bin2bn(digest, digest_len, e) == NULL) {
 		ECDSAerror(ERR_R_BN_LIB);
 		return 0;
 	}
-- 
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