diff -ruN samba-3.4.2.orig/source3/winbindd/idmap_ldap.c samba-3.4.2.test/source3/winbindd/idmap_ldap.c
--- samba-3.4.2.orig/source3/winbindd/idmap_ldap.c	2009-09-30 14:17:40.000000000 +0200
+++ samba-3.4.2.test/source3/winbindd/idmap_ldap.c	2009-10-26 17:40:06.000000000 +0100
@@ -341,6 +341,8 @@
 	/* see if the idmap suffix and sub entries exists */
 
 	ret = verify_idpool();
+	if ( !NT_STATUS_IS_OK( ret ) )
+		smbldap_free_struct( &idmap_alloc_ldap->smbldap_state );
 
  done:
 	if ( !NT_STATUS_IS_OK( ret ) )