From 63643c85d4c47512decc16f35124160629c39a86 Mon Sep 17 00:00:00 2001
From: Pino Toscano <toscano.pino@tiscali.it>
Date: Thu, 10 May 2012 15:35:47 -0700
Subject: Hurd: hurdsock: reject negative domains

---
 hurd/hurdsock.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'hurd')

diff --git a/hurd/hurdsock.c b/hurd/hurdsock.c
index f3611ec..4b32ad4 100644
--- a/hurd/hurdsock.c
+++ b/hurd/hurdsock.c
@@ -1,5 +1,5 @@
 /* _hurd_socket_server - Find the server for a socket domain.
-   Copyright (C) 1991,92,93,94,95,97,99 Free Software Foundation, Inc.
+   Copyright (C) 1991-2012 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
@@ -46,6 +46,12 @@ _hurd_socket_server (int domain, int dead)
 {
   socket_t server;
 
+  if (domain < 0)
+    {
+      errno = EAFNOSUPPORT;
+      return MACH_PORT_NULL;
+    }
+
   HURD_CRITICAL_BEGIN;
   __mutex_lock (&lock);
 
-- 
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