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authorAriane van der Steldt <ariane@cvs.openbsd.org>2009-05-07 20:19:47 +0000
committerAriane van der Steldt <ariane@cvs.openbsd.org>2009-05-07 20:19:47 +0000
commite72f273ca091b0adddcc4846a18e261d61274e03 (patch)
tree570e5c69ebd3cffd7327518a821397e43ba13ef6 /sys/dev
parente84f812f84cede9cda90f273e79b6d4ff4b2e35c (diff)
Amas(4) on some machines has ranges with base > limit. Treat this as
an empty range. ok kettenis@
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/pci/amas.c5
1 files changed, 3 insertions, 2 deletions
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;