* net/tramp-sh.el (tramp-method-out-of-band-p): Check, whether

SIZE is a number.

lisp/ChangeLog

+2011-06-23  Michael Albinus  <michael.albinus@gmx.de>
+
+	* net/tramp-sh.el (tramp-method-out-of-band-p): Check, whether
+	SIZE is a number.
+
 2011-06-23  Martin Rudalics  <rudalics@gmx.at>
 
 	* window.el (get-lru-window, get-mru-window)

lisp/net/tramp-sh.el

@@ -4661,6 +4661,8 @@ This is used internally by `tramp-file-mode-from-int'."
   (and
    ;; It shall be an out-of-band method.
    (tramp-get-method-parameter (tramp-file-name-method vec) 'tramp-copy-program)
+   ;; There must be a size, otherwise the file doesn't exist.
+   (numberp size)
    ;; Either the file size is large enough, or (in rare cases) there
    ;; does not exist a remote encoding.
    (or (null tramp-copy-size-limit)