upstream: Plug mem leaks on error paths, based in part on github

pr#120 from David Carlier.  ok djm@.

OpenBSD-Commit-ID: c57adeb1022a8148fc86e5a88837b3b156dbdb7e

1 files changed, 2 insertions, 1 deletions

diff --git a/auth-options.c b/auth-options.c
index 6fb59dc7e..9550f656f 100644
--- a/auth-options.c
+++ b/auth-options.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: auth-options.c,v 1.88 2019/09/06 04:53:27 djm Exp $ */
+/* $OpenBSD: auth-options.c,v 1.89 2019/09/13 04:36:43 dtucker Exp $ */
 /*
  * Copyright (c) 2018 Damien Miller <djm@mindrot.org>
  *
@@ -266,6 +266,7 @@ handle_permit(const char **optsp, int allow_bare_port,
                  * listen_host wildcard.
                  */
                 if (asprintf(&tmp, "*:%s", opt) == -1) {
+                        free(opt);
                         *errstrp = "memory allocation failed";
                         return -1;
                 }