From 8fb38008cc0abccdce7b8a971bf0c3f1745655b8 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Tue, 22 Feb 2011 01:57:01 +0100
Subject: Fix S_pfinet_siocgifconf given -1 as amount

* hurd/pfinet.defs (pfinet_siocgifconf): Document that -1 is used for "all
interfaces".
* pfinet/pfinet-ops.c (S_pfinet_siocgifconf): Compare amount with
`(vm_size_t) -1' instead of '< 0' (which can never happen).
---
 pfinet/pfinet-ops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'pfinet/pfinet-ops.c')

diff --git a/pfinet/pfinet-ops.c b/pfinet/pfinet-ops.c
index a61028ef..8e251020 100644
--- a/pfinet/pfinet-ops.c
+++ b/pfinet/pfinet-ops.c
@@ -49,7 +49,7 @@ S_pfinet_siocgifconf (io_t port,
   struct ifconf ifc;
 
   __mutex_lock (&global_lock);
-  if (amount < 0)
+  if (amount == (vm_size_t) -1)
     {
       /* Get the needed buffer length.  */
       ifc.ifc_buf = NULL;
-- 
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