linux-kernel - Re: [PATCH 1/1] perf/amd: NULL return of kzalloc

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Message-ID: <20140610085157.GX6758@twins.programming.kicks-ass.net>
Date:	Tue, 10 Jun 2014 10:51:57 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Zhouyi Zhou <zhouzhouyi@...il.com>
Cc:	paulus@...ba.org, mingo@...hat.com, acme@...nel.org,
	tglx@...utronix.de, hpa@...or.com, x86@...nel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Zhouyi Zhou <yizhouzhou@....ac.cn>
Subject: Re: [PATCH 1/1] perf/amd: NULL return of kzalloc_node should be
 handled

On Tue, Jun 10, 2014 at 04:45:46PM +0800, Zhouyi Zhou wrote:
> Thanks Peter for reviewing, and sorry for not think it thoroughly
> before submitting.
> Is that ok that when amd_uncore_cpu_up_prepare is called from
> amd_uncore_cpu_notifier
> I return notifier_from_errno(-ENOMEM), and  when
> amd_uncore_cpu_up_prepare is called from
> amd_uncore_init I immediately return  -ENODEV?

That sounds about right. Thanks!

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