Index: modules/user.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/user.module,v
retrieving revision 1.498
diff -u -u -F^f -r1.498 user.module
--- modules/user.module	5 Aug 2005 01:18:39 -0000	1.498
+++ modules/user.module	9 Aug 2005 02:15:10 -0000
@@ -823,7 +832,7 @@ function user_login($edit = array(), $ms
     drupal_goto('user');
   }
 
-  if (isset($edit['name'])) {
+  if (isset($edit['name']) && $edit['name']) {
     if (user_is_blocked($edit['name'])) {
       // blocked in user administration
       $error = t('The username %name has been blocked.', array('%name' => theme('placeholder', $edit['name'])));