From fd9b86d37a600488dbd80fe60cca46b822bff1cd Mon Sep 17 00:00:00 2001
From: libin <huawei.libin@huawei.com>
Date: Mon, 8 Apr 2013 14:39:12 +0800
Subject: [PATCH] sched/debug: Fix sd->*_idx limit range avoiding overflow

Commit 201c373e8e ("sched/debug: Limit sd->*_idx range on
sysctl") was an incomplete bug fix.

This patch fixes sd->*_idx limit range to [0 ~ CPU_LOAD_IDX_MAX-1]
avoiding array overflow caused by setting sd->*_idx to CPU_LOAD_IDX_MAX
on sysctl.

Signed-off-by: Libin <huawei.libin@huawei.com>
Cc: <jiang.liu@huawei.com>
Cc: <guohanjun@huawei.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/51626610.2040607@huawei.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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