upstream: fix check for sig_s; noted by qsa at qualys.com

OpenBSD-Commit-ID: 34198084e4afb424a859f52c04bb2c9668a52867

1 files changed, 2 insertions, 2 deletions

diff --git a/ssh-sk.c b/ssh-sk.c
index 41fa164b7..754577d9d 100644
--- a/ssh-sk.c
+++ b/ssh-sk.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-sk.c,v 1.10 2019/11/12 22:38:19 djm Exp $ */
+/* $OpenBSD: ssh-sk.c,v 1.11 2019/11/13 20:25:45 markus Exp $ */
 /*
  * Copyright (c) 2019 Google LLC
  *
@@ -366,7 +366,7 @@ sshsk_ecdsa_sig(struct sk_sign_response *resp, struct sshbuf *sig)
         int r = SSH_ERR_INTERNAL_ERROR;
 
         /* Check response validity */
-        if (resp->sig_r == NULL || resp->sig_r == NULL) {
+        if (resp->sig_r == NULL || resp->sig_s == NULL) {
                 error("%s: sk_sign response invalid", __func__);
                 r = SSH_ERR_INVALID_FORMAT;
                 goto out;