From ed8a47c1dd06e30cf49d814c2ad5f2a9c93f807b Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Tue, 29 Jan 2019 20:12:37 +0000
Subject: [PATCH] cmdgen: fix error report after ssh2_userkey_loadpub fails.

We strbuf_free(ssh2blob), but forgot to null the pointer out
afterwards, which means a subsequent check for NULL believes there
wasn't a problem, and nulls out the error message pointer instead!
---
 cmdgen.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmdgen.c b/cmdgen.c
index 171214fc..5a52b317 100644
--- a/cmdgen.c
+++ b/cmdgen.c
@@ -817,6 +817,7 @@ int main(int argc, char **argv)
                         bits = -1;
                 } else {
                     strbuf_free(ssh2blob);
+                    ssh2blob = NULL;
                 }
                 sfree(ssh2alg);
 	    } else {