sshsk_load_resident: don't preallocate resp

resp is allocated by client_converse(), at which point we lose
the original pointer.

From Pedro Martelletto; ok dtucker & me

diff --git a/usr.bin/ssh/ssh-sk-client.c b/usr.bin/ssh/ssh-sk-client.c
index 71d639e..c00c633 100644 (file)
--- a/usr.bin/ssh/ssh-sk-client.c
+++ b/usr.bin/ssh/ssh-sk-client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-sk-client.c,v 1.11 2022/01/14 03:32:52 djm Exp $ */
+/* $OpenBSD: ssh-sk-client.c,v 1.12 2022/01/14 03:34:00 djm Exp $ */
 /*
  * Copyright (c) 2019 Google LLC
  *
@@ -397,8 +397,7 @@ sshsk_load_resident(const char *provider_path, const char *device,
        *srksp = NULL;
        *nsrksp = 0;
 
-       if ((resp = sshbuf_new()) == NULL ||
-           (kbuf = sshbuf_new()) == NULL ||
+       if ((kbuf = sshbuf_new()) == NULL ||
            (req = sshbuf_new()) == NULL) {
                r = SSH_ERR_ALLOC_FAIL;
                goto out;