From dc2384da30cae716f512dedef37d27f00c43f29d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexander=20F=C3=A6r=C3=B8y?= <ahf@torproject.org>
Date: Sat, 23 Jun 2018 10:27:10 +0200
Subject: [PATCH] Fix potential memory leak in hs_helper_build_hs_desc_impl().

This patch fixes a memory leak in hs_helper_build_hs_desc_impl() where
if a test assertion would fail we would leak the storage that `desc`
points to.

See: Coverity CID 1437448
---
 src/test/hs_test_helpers.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/test/hs_test_helpers.c b/src/test/hs_test_helpers.c
index f7e054b1d1..dcd58bc5fd 100644
--- a/src/test/hs_test_helpers.c
+++ b/src/test/hs_test_helpers.c
@@ -142,6 +142,9 @@ hs_helper_build_hs_desc_impl(unsigned int no_ip,
 
   descp = desc;
  done:
+  if (descp == NULL)
+    tor_free(desc);
+
   return descp;
 }