From 613aecb4df005608c664d8cefc4b54ad73f6c876 Mon Sep 17 00:00:00 2001
From: Wei Liu <wei.liu2@citrix.com>
Date: Tue, 1 Aug 2017 12:25:39 +0100
Subject: [PATCH] libxc: check pointer is not null before printing

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
---
 tools/libxc/xc_dom_core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/libxc/xc_dom_core.c b/tools/libxc/xc_dom_core.c
index cf403432d2..b5f316a1dc 100644
--- a/tools/libxc/xc_dom_core.c
+++ b/tools/libxc/xc_dom_core.c
@@ -754,7 +754,8 @@ struct xc_dom_image *xc_dom_allocate(xc_interface *xch,
     struct xc_dom_image *dom;
 
     xc_dom_printf(xch, "%s: cmdline=\"%s\", features=\"%s\"",
-                  __FUNCTION__, cmdline, features);
+                  __FUNCTION__, cmdline ? cmdline : "",
+                  features ? features : "");
     dom = malloc(sizeof(*dom));
     if ( !dom )
         goto err;
-- 
2.30.2