Index: includes/path.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/path.inc,v
retrieving revision 1.19.2.4
diff -u -p -r1.19.2.4 path.inc
--- includes/path.inc	28 May 2010 15:12:04 -0000	1.19.2.4
+++ includes/path.inc	17 Jun 2010 21:44:42 -0000
@@ -74,11 +74,11 @@ function drupal_lookup_path($action, $pa
     // isn't a path that has this alias
     elseif ($action == 'source' && !isset($no_src[$path_language][$path])) {
       // Look for the value $path within the cached $map
-      $src = '';
       if (!isset($map[$path_language]) || !($src = array_search($path, $map[$path_language]))) {
         // Get the most fitting result falling back with alias without language
         if ($src = db_result(db_query("SELECT src FROM {url_alias} WHERE dst = '%s' AND language IN('%s', '') ORDER BY language DESC, pid DESC", $path, $path_language))) {
           $map[$path_language][$src] = $path;
+          return $src;
         }
         else {
           // We can't record anything into $map because we do not have a valid
@@ -87,7 +87,6 @@ function drupal_lookup_path($action, $pa
           $no_src[$path_language][$path] = TRUE;
         }
       }
-      return $src;
     }
   }