diff options
| author | Tang Chen <tangchen@cn.fujitsu.com> | 2013-07-23 16:00:19 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-07-23 10:08:16 +0200 |
| commit | 82982d729319e975115d88cae4927dffb02bfea7 (patch) | |
| tree | e4f4c5a48bbcb0cddfe341ec1d07b1b222a63aae /arch/x86/kernel/acpi/boot.c | |
| parent | b3a3a9c441e2c8f6b6760de9331023a7906a4ac6 (diff) | |
x86/acpi: Fix incorrect sanity check in acpi_register_lapic()
We wanted to check if the APIC ID is out of range. It should be:
if (id >= MAX_LOCAL_APIC)
There's no known bad effect of this bug.
Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Cc: pavel@ucw.cz
Cc: rjw@sisk.pl
Link: http://lkml.kernel.org/r/1374566419-21120-1-git-send-email-tangchen@cn.fujitsu.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/acpi/boot.c')
| -rw-r--r-- | arch/x86/kernel/acpi/boot.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 2627a81253ee..872a2d255e41 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -199,7 +199,7 @@ static void acpi_register_lapic(int id, u8 enabled) { unsigned int ver = 0; - if (id >= (MAX_LOCAL_APIC-1)) { + if (id >= MAX_LOCAL_APIC) { printk(KERN_INFO PREFIX "skipped apicid that is too big\n"); return; } |