diff --git a/ChangeLog b/ChangeLog
index f1ab9f9079..febf84989a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Thu Jan 22 20:17:35 +0100 2009 Jim Meyering <meyering@redhat.com>
+
+	xm_internal.c: fix locking bug: s/Lock/Unlock/
+	* src/xm_internal.c (xenXMDomainDefineXML): Release lock, (don't
+	try to acquire it) upon failure, just before returning.
+
 Thu Jan 22 10:35:03 PST 2009 John Levon <john.levon@sun.com>
 
 	* gnulib/tests/.cvsignore: add test-random_r 
diff --git a/src/xm_internal.c b/src/xm_internal.c
index 31f56b73e1..b420e8083f 100644
--- a/src/xm_internal.c
+++ b/src/xm_internal.c
@@ -2357,7 +2357,7 @@ virDomainPtr xenXMDomainDefineXML(virConnectPtr conn, const char *xml) {
 
     if (!(def = virDomainDefParseString(conn, priv->caps, xml,
                                         VIR_DOMAIN_XML_INACTIVE))) {
-        xenUnifiedLock(priv);
+        xenUnifiedUnlock(priv);
         return (NULL);
     }