From mboxrd@z Thu Jan 1 00:00:00 1970 From: "majianpeng" Subject: md:Add the judgement about the size of suspend_lo and suspend_hi. Date: Wed, 28 Mar 2012 19:49:38 +0800 Message-ID: <201203281949331251132@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Sender: linux-raid-owner@vger.kernel.org To: Neil Brown Cc: linux-raid List-Id: linux-raid.ids >From 7b8db5f9559feef49859056407a7cee656bcfc45 Mon Sep 17 00:00:00 2001 From: majianpeng Date: Wed, 28 Mar 2012 19:43:58 +0800 Subject: [PATCH] md:Add the judgement about the size of suspend_lo and suspend_hi. Signed-off-by: majianpeng --- drivers/md/md.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index b572e1e..7180ac3 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -4364,6 +4364,8 @@ suspend_lo_store(struct mddev *mddev, const char *buf, size_t len) return -EINVAL; if (buf == e || (*e && *e != '\n')) return -EINVAL; + if (new > mddev->suspend_hi) + return -EINVAL; mddev->suspend_lo = new; if (new >= old) @@ -4398,6 +4400,8 @@ suspend_hi_store(struct mddev *mddev, const char *buf, size_t len) return -EINVAL; if (buf == e || (*e && *e != '\n')) return -EINVAL; + if (new < mddev->suspend_lo) + return -EINVAL; mddev->suspend_hi = new; if (new <= old) -- 1.7.5.4 -------------- majianpeng 2012-03-28