diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2009-11-12 01:40:37 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2009-11-12 01:40:37 +0000 |
| commit | e0e1079d841a081ed1f32126a366c9122ca6922e (patch) | |
| tree | 9bfa6d63aaa455ea02b85ffa1289d5b385b431af /sys | |
| parent | a23f6be9ed28eafcfea2c2bd8a4664abea537c24 (diff) | |
if the table got messed up, early loop termination is not gauranteed, and
subsequent code will be out of bounds; unlikely situation. found by parfait
ok weingart
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/i386/i386/p4tcc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/arch/i386/i386/p4tcc.c b/sys/arch/i386/i386/p4tcc.c index 5265d740c98..6c391326ad8 100644 --- a/sys/arch/i386/i386/p4tcc.c +++ b/sys/arch/i386/i386/p4tcc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: p4tcc.c,v 1.14 2007/08/03 20:36:02 deraadt Exp $ */ +>/* $OpenBSD: p4tcc.c,v 1.15 2009/11/12 01:40:36 deraadt Exp $ */ /* * Copyright (c) 2003 Ted Unangst * All rights reserved. @@ -117,6 +117,8 @@ p4tcc_setperf(int level) if (level >= tcc[i].level) break; } + if (i == TCC_LEVELS) + i = TCC_LEVELS - 1; msreg = rdmsr(MSR_THERM_CONTROL); msreg &= ~0x1e; /* bit 0 reserved */ |