* net/tramp.el (tramp-accept-process-output): Accept only output

from PROC.  Otherwise, process filters and sentinels might be
confused.  (Bug#12145)

lisp/ChangeLog

@@ -1,3 +1,9 @@
+2012-08-20  Michael Albinus  <michael.albinus@gmx.de>
+
+	* net/tramp.el (tramp-accept-process-output): Accept only output
+	from PROC.  Otherwise, process filters and sentinels might be
+	confused.  (Bug#12145)
+
 2012-08-20  Chong Yidong  <cyd@gnu.org>
 
 	* descr-text.el (describe-text-properties-1): Use overlays-in to

lisp/net/tramp.el

@@ -3293,7 +3293,7 @@ for process communication also."
       ;; Under Windows XP, accept-process-output doesn't return
       ;; sometimes.  So we add an additional timeout.
       (with-timeout ((or timeout 1))
-	(accept-process-output proc timeout timeout-msecs)))
+	(accept-process-output proc timeout timeout-msecs (and proc t))))
     (tramp-message proc 10 "\n%s" (buffer-string))))
 
 (defun tramp-check-for-regexp (proc regexp)