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Diffstat (limited to 'sys/arch/alpha/tc/sfb.c')
-rw-r--r--sys/arch/alpha/tc/sfb.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/arch/alpha/tc/sfb.c b/sys/arch/alpha/tc/sfb.c
index f251bed5890..5bb7cabd239 100644
--- a/sys/arch/alpha/tc/sfb.c
+++ b/sys/arch/alpha/tc/sfb.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sfb.c,v 1.9 1997/11/06 12:27:06 niklas Exp $ */
+/* $OpenBSD: sfb.c,v 1.10 1998/11/21 18:13:04 millert Exp $ */
/* $NetBSD: sfb.c,v 1.7 1996/12/05 01:39:44 cgd Exp $ */
/*
@@ -348,8 +348,8 @@ sfbmmap(v, offset, prot)
{
struct sfb_softc *sc = v;
- if (offset > SFB_SIZE)
- return -1;
+ if (offset >= SFB_SIZE || offset < 0)
+ return (-1);
return alpha_btop(sc->sc_dc->dc_paddr + offset);
}