diff options
| author | Todd C. Miller <millert@cvs.openbsd.org> | 1998-11-21 18:13:05 +0000 |
|---|---|---|
| committer | Todd C. Miller <millert@cvs.openbsd.org> | 1998-11-21 18:13:05 +0000 |
| commit | 3885978f9a2c6ce4f264a7466f04a662304e9713 (patch) | |
| tree | d41270dbcc112182ebb39b8cfc11cc967c999e11 /sys/arch/alpha/tc | |
| parent | db276a54e53803db14541a8c6fb650f603a43dcf (diff) | |
when mmap'ing check for offset >= size, not just > size and disallow negative offsets; mrg@netbsd.org
Diffstat (limited to 'sys/arch/alpha/tc')
| -rw-r--r-- | sys/arch/alpha/tc/cfb.c | 6 | ||||
| -rw-r--r-- | sys/arch/alpha/tc/sfb.c | 6 |
2 files changed, 6 insertions, 6 deletions
diff --git a/sys/arch/alpha/tc/cfb.c b/sys/arch/alpha/tc/cfb.c index a59a77f225f..622aa607dc9 100644 --- a/sys/arch/alpha/tc/cfb.c +++ b/sys/arch/alpha/tc/cfb.c @@ -1,4 +1,4 @@ -/* $OpenBSD: cfb.c,v 1.9 1997/11/06 12:27:05 niklas Exp $ */ +/* $OpenBSD: cfb.c,v 1.10 1998/11/21 18:13:03 millert Exp $ */ /* $NetBSD: cfb.c,v 1.7 1996/12/05 01:39:39 cgd Exp $ */ /* @@ -303,8 +303,8 @@ cfbmmap(v, offset, prot) { struct cfb_softc *sc = v; - if (offset > CFB_SIZE) - return -1; + if (offset >= CFB_SIZE || offset < 0) + return (-1); return alpha_btop(sc->sc_dc->dc_paddr + offset); } 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); } |