Test and assign in tls1_prf_P_hash()

diff --git a/lib/libcrypto/kdf/tls1_prf.c b/lib/libcrypto/kdf/tls1_prf.c
index bb97b2f..9fd7565 100644 (file)
--- a/lib/libcrypto/kdf/tls1_prf.c
+++ b/lib/libcrypto/kdf/tls1_prf.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: tls1_prf.c,v 1.25 2024/07/09 16:58:13 tb Exp $ */
+/*     $OpenBSD: tls1_prf.c,v 1.26 2024/07/09 16:59:07 tb Exp $ */
 /*
  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
  * 2016.
@@ -261,12 +261,15 @@ tls1_prf_P_hash(const EVP_MD *md,
        if ((chunk = EVP_MD_size(md)) < 0)
                goto err;
 
-       ctx = EVP_MD_CTX_new();
-       ctx_tmp = EVP_MD_CTX_new();
-       ctx_init = EVP_MD_CTX_new();
-       if (ctx == NULL || ctx_tmp == NULL || ctx_init == NULL)
+       if ((ctx = EVP_MD_CTX_new()) == NULL)
                goto err;
+       if ((ctx_tmp = EVP_MD_CTX_new()) == NULL)
+               goto err;
+       if ((ctx_init = EVP_MD_CTX_new()) == NULL)
+               goto err;
+
        EVP_MD_CTX_set_flags(ctx_init, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
+
        mac_key = EVP_PKEY_new_raw_private_key(EVP_PKEY_HMAC, NULL, secret,
            sec_len);
        if (mac_key == NULL)