From mboxrd@z Thu Jan  1 00:00:00 1970
From: Yosuke Iwamatsu <y-iwamatsu@ab.jp.nec.com>
Subject: [PATCH] ioemu: Slightly improve error check in
	xenstore_vm_write()
Date: Wed, 04 Feb 2009 16:54:58 +0900
Message-ID: <498949D2.7010201@ab.jp.nec.com>
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Signed-off-by: Yosuke Iwamatsu <y-iwamatsu@ab.jp.nec.com>

diff --git a/xenstore.c b/xenstore.c
index d30dafa..6bfcdbb 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) {