From 1cc192b72e9b13d516af529b4a6e00c40627fc5f Mon Sep 17 00:00:00 2001
From: Matt Mundell <matthew.mundell@greenbone.net>
Date: Thu, 19 Sep 2019 20:01:20 +0200
Subject: [PATCH] Check filter before using it in osp_get_vts_ext

---
 osp/osp.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/osp/osp.c b/osp/osp.c
index 339a5f865..72f1c107f 100644
--- a/osp/osp.c
+++ b/osp/osp.c
@@ -405,9 +405,15 @@ osp_get_vts_ext (osp_connection_t *connection, osp_get_vts_opts_t opts, entity_t
   if (vts == NULL)
     return 1;
 
-  if (osp_send_command (connection, vts, "<get_vts filter='%s'/>", opts.filter))
-    return 1;
+  if (opts.filter)
+    {
+      if (osp_send_command (connection, vts, "<get_vts filter='%s'/>", opts.filter))
+        return 1;
+      return 0;
+    }
 
+  if (osp_send_command (connection, vts, "<get_vts/>"))
+    return 1;
   return 0;
 }