Merge lp:~akopytov/percona-xtrabackup/bug900175-1.6 into lp:percona-xtrabackup/1.6

[Alexey Kopytov]

[Alexey Kopytov (akopytov)]

http://jenkins.percona.com/view/Percona%20Xtrabackup/job/percona-xtrabackup-1.6-param/113/

[Alexey Kopytov (akopytov)]

Jenkins revealed a problem with the fix. URL for the new version: http://jenkins.percona.com/view/Percona%20Xtrabackup/job/percona-xtrabackup-1.6-param/114/

[Stewart Smith (stewart)]

review: Approve

=== modified file 'xtrabackup.c'
--- xtrabackup.c	2012-01-31 00:19:20 +0000
+++ xtrabackup.c	2012-02-14 12:51:18 +0000
@@ -779,6 +779,8 @@
 fil_node_t *
 datafiles_iter_next(datafiles_iter_t *it, ibool *space_changed)
 {
+	fil_node_t *new_node;
+
 	os_mutex_enter(it->mutex);
 
 	*space_changed = FALSE;
@@ -808,9 +810,10 @@
 	it->node = UT_LIST_GET_FIRST(it->space->chain);
 
 end:
+	new_node = it->node;
 	os_mutex_exit(it->mutex);
 
-	return it->node;
+	return new_node;
 }
 
 static