From e72f273ca091b0adddcc4846a18e261d61274e03 Mon Sep 17 00:00:00 2001
From: Ariane van der Steldt <ariane@cvs.openbsd.org>
Date: Thu, 7 May 2009 20:19:47 +0000
Subject: Amas(4) on some machines has ranges with base > limit. Treat this as
 an empty range.

ok kettenis@
---
 sys/dev/pci/amas.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'sys/dev/pci')

diff --git a/sys/dev/pci/amas.c b/sys/dev/pci/amas.c
index b4fcb018ff0..866ba661382 100644
--- a/sys/dev/pci/amas.c
+++ b/sys/dev/pci/amas.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: amas.c,v 1.1 2009/05/07 11:30:27 ariane Exp $	*/
+/*	$OpenBSD: amas.c,v 1.2 2009/05/07 20:19:46 ariane Exp $	*/
 
 /*
  * Copyright (c) 2009 Ariane van der Steldt <ariane@stack.nl>
@@ -268,7 +268,8 @@ amas_get_pagerange(struct amas_softc *amas, int node,
 	}
 #endif /* 0 */
 
-	if (base_addr == limit_addr && ebase_addr == elimit_addr) {
+	if (ebase_addr > elimit_addr ||
+	    (ebase_addr == elimit_addr && base_addr >= limit_addr)) {
 		/* no memory present */
 		*start_pg_idx = 0;
 		*end_pg_idx = 0;
-- 
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