From 324a1617a496ffc222a339f2c0f70e73bdc53658 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ian.jackson@eu.citrix.com>
Date: Thu, 5 Feb 2009 16:26:24 +0000
Subject: [PATCH] Slightly improve error check in xenstore_vm_write()

Signed-off-by: Yosuke Iwamatsu <y-iwamatsu@ab.jp.nec.com>
---
 xenstore.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xenstore.c b/xenstore.c
index d30dafa2..6bfcdbbb 100644
--- a/xenstore.c
+++ b/xenstore.c
@@ -1224,6 +1224,8 @@ int xenstore_vm_write(int domid, const char *key, const char *value)
     int rc = -1;
 
     path = xenstore_vm_key_path(domid, key);
+    if (!path)
+        return 0;
 
     rc = xs_write(xsh, XBT_NULL, path, value, strlen(value));
     if (rc == 0) {
-- 
2.39.5