linux-kernel - Re: [PATCH] cpumask: fix cpumask leak in partition_sched

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Message-ID: <20130815090916.GL24092@twins.programming.kicks-ass.net>
Date:	Thu, 15 Aug 2013 11:09:16 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Xiaotian Feng <xtfeng@...il.com>
Cc:	Ingo Molnar <mingo@...hat.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpumask: fix cpumask leak in partition_sched_domains

On Tue, Aug 06, 2013 at 08:06:42PM +0800, Xiaotian Feng wrote:
> If doms_new is NULL, partition_sched_domains() will reset ndoms_cur
> to 0, and free old sched domains with free_sched_domains(doms_cur, ndoms_cur).
> As ndoms_cur is 0, the cpumask will not be freed.
> 
> Signed-off-by: Xiaotian Feng <xtfeng@...il.com>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Rusty Russell <rusty@...tcorp.com.au>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: linux-kernel@...r.kernel.org

Thanks!
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