From: Miles Bader <miles@gnu.org>
Date: Sat, 6 Apr 1996 01:49:21 +0000 (+0000)
Subject: (__mig_dealloc_reply_port):   Only attempt to destroy PORT if it's a valid port name.
X-Git-Tag: cvs/libc-960406~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=aa0e1b599cc4d836067fb1157ee16315f2f62439;p=platform%2Fupstream%2Fglibc.git

(__mig_dealloc_reply_port):   Only attempt to destroy PORT if it's a valid port name.
---

diff --git a/sysdeps/mach/hurd/mig-reply.c b/sysdeps/mach/hurd/mig-reply.c
index feb0325..b5c43fa 100644
--- a/sysdeps/mach/hurd/mig-reply.c
+++ b/sysdeps/mach/hurd/mig-reply.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1994, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -52,8 +52,10 @@ __mig_dealloc_reply_port (mach_port_t arg)
 
   port = reply_port;
   reply_port = MACH_PORT_NULL;	/* So the mod_refs RPC won't use it.  */
-  __mach_port_mod_refs (__mach_task_self (), port,
-			MACH_PORT_RIGHT_RECEIVE, -1);
+
+  if (MACH_PORT_VALID (port))
+    __mach_port_mod_refs (__mach_task_self (), port,
+			  MACH_PORT_RIGHT_RECEIVE, -1);
 }
 weak_alias (__mig_dealloc_reply_port, mig_dealloc_reply_port)