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authorjsing@openbsd.org <jsing@openbsd.org>2018-02-07 03:06:50 +0100
committerDarren Tucker <dtucker@dtucker.net>2018-02-07 23:26:27 +0100
commit7cd31632e3a6607170ed0c9ed413a7ded5b9b377 (patch)
tree2acf74a8e668468768bdf9fe1b48d2289b3299bb /kexdhc.c
parentRemove obsolete "Smartcard support" message (diff)
downloadopenssh-7cd31632e3a6607170ed0c9ed413a7ded5b9b377.tar.xz
openssh-7cd31632e3a6607170ed0c9ed413a7ded5b9b377.zip
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Remove all guards for calls to OpenSSL free functions - all of these functions handle NULL, from at least OpenSSL 1.0.1g onwards. Prompted by dtucker@ asking about guards for RSA_free(), when looking at openssh-portable pr#84 on github. ok deraadt@ dtucker@ OpenBSD-Commit-ID: 954f1c51b94297d0ae1f749271e184141e0cadae
Diffstat (limited to 'kexdhc.c')
-rw-r--r--kexdhc.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/kexdhc.c b/kexdhc.c
index 5e1a353a5..9a9f1ea78 100644
--- a/kexdhc.c
+++ b/kexdhc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: kexdhc.c,v 1.21 2017/12/18 02:25:15 djm Exp $ */
+/* $OpenBSD: kexdhc.c,v 1.22 2018/02/07 02:06:51 jsing Exp $ */
/*
* Copyright (c) 2001 Markus Friedl. All rights reserved.
*
@@ -203,14 +203,12 @@ input_kex_dh(int type, u_int32_t seq, struct ssh *ssh)
explicit_bzero(hash, sizeof(hash));
DH_free(kex->dh);
kex->dh = NULL;
- if (dh_server_pub)
- BN_clear_free(dh_server_pub);
+ BN_clear_free(dh_server_pub);
if (kbuf) {
explicit_bzero(kbuf, klen);
free(kbuf);
}
- if (shared_secret)
- BN_clear_free(shared_secret);
+ BN_clear_free(shared_secret);
sshkey_free(server_host_key);
free(server_host_key_blob);
free(signature);