Index: includes/batch.inc
===================================================================
RCS file: /Users/wright/drupal/local_repo/drupal/includes/batch.inc,v
retrieving revision 1.41
diff -u -p -r1.41 batch.inc
--- includes/batch.inc	9 Oct 2009 00:59:54 -0000	1.41
+++ includes/batch.inc	15 Oct 2009 01:07:20 -0000
@@ -259,7 +259,7 @@ function _batch_process() {
     // remaining batch sets, which can add new sets to the batch.
     $set_changed = FALSE;
     $old_set = $current_set;
-    while (empty($current_set['operations']) && ($current_set['success'] = TRUE) && _batch_next_set()) {
+    while (empty($current_set['operations']) && ($current_set['success'] == TRUE) && _batch_next_set()) {
       $current_set = &_batch_current_set();
       $set_changed = TRUE;
     }