linux-kernel - Re: [PATCH] md/raid5: Cleanup cpu hotplug notifier

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Date:	Wed, 16 Mar 2016 10:11:35 -0700
From:	Shaohua Li <shli@...nel.org>
To:	Anna-Maria Gleixner <anna-maria@...utronix.de>
Cc:	linux-kernel@...r.kernel.org, rt@...utronix.de,
	linux-raid@...r.kernel.org
Subject: Re: [PATCH] md/raid5: Cleanup cpu hotplug notifier

On Wed, Mar 16, 2016 at 09:25:23AM +0100, Anna-Maria Gleixner wrote:
> The raid456_cpu_notify() hotplug callback lacks handling of the
> CPU_UP_CANCELED case. That means if CPU_UP_PREPARE fails, the scratch
> buffer is leaked.
> 
> Add handling for CPU_UP_CANCELED[_FROZEN] hotplug notifier transitions
> to free the scratch buffer.
> 
> CC: Shaohua Li <shli@...nel.org>
> CC: linux-raid@...r.kernel.org
> Signed-off-by: Anna-Maria Gleixner <anna-maria@...utronix.de>

Applied, thanks!