From: "majianpeng" <majianpeng@gmail.com>
To: Neil Brown <neilb@suse.de>
Cc: linux-raid <linux-raid@vger.kernel.org>
Subject: md:Add the judgement about the size of suspend_lo and suspend_hi.
Date: Wed, 28 Mar 2012 19:49:38 +0800 [thread overview]
Message-ID: <201203281949331251132@gmail.com> (raw)
From 7b8db5f9559feef49859056407a7cee656bcfc45 Mon Sep 17 00:00:00 2001
From: majianpeng <majianpeng@gmail.com>
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 <majianpeng@gmail.com>
---
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
next reply other threads:[~2012-03-28 11:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-28 11:49 majianpeng [this message]
2012-04-02 1:05 ` md:Add the judgement about the size of suspend_lo and suspend_hi NeilBrown
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