From a8ed5e31dc15df2073825cf25a29211408b58a0d Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Mon, 5 Nov 2018 07:52:43 +0100
Subject: [PATCH] tests: Check for NULL in torture_client_config

CID 1396566

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
---
 tests/client/torture_client_config.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tests/client/torture_client_config.c b/tests/client/torture_client_config.c
index 113b4c3f..3cd19a31 100644
--- a/tests/client/torture_client_config.c
+++ b/tests/client/torture_client_config.c
@@ -65,8 +65,12 @@ static int teardown(void **state)
     char *filename;
 
     filename = ssh_path_expand_tilde("~/.ssh/config");
-    unlink(filename);
-    free(filename);
+    if (filename != NULL) {
+        if (strlen(filename) > 0) {
+            unlink(filename);
+        }
+        SAFE_FREE(filename);
+    }
 
     unlink(LIBSSH_SSH_CONFIG);