From 2cf4e52e27dc719941cd3727205ca62b742f2746 Mon Sep 17 00:00:00 2001
From: Chen Gang <gang.chen@asianux.com>
Date: Fri, 23 Nov 2012 17:46:43 +0800
Subject: [PATCH] drivers/char: for hpet, add count checking, and ~0UL instead
 of -1

  use ~0UL for unsigned long variable initialization, instead of -1.

  add check for hdp->hd_nirqs within 32 (HPET_MAX_TIMERS).
    the type of irqp->interrupt_count is u8.
    the git diff not display the relative lines below.
      hdp->hd_irq[hdp->hd_nirqs] = irq;
      hdp->hd_nirqs++;
    please check source code to get more information.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Reading git-format-patch failed