linux-kernel - Re: [PATCH v2] md/raid1: Fix stack memory use after return in raid1

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Message-ID: <0ccb9479-92ac-4c8e-afdc-a1e3f14fe401@gmail.com>
Date: Fri, 13 Jun 2025 19:53:36 +0800
From: Wang Jinchao <wangjinchao600@...il.com>
To: Yu Kuai <yukuai1@...weicloud.com>, Song Liu <song@...nel.org>
Cc: linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org,
 "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: [PATCH v2] md/raid1: Fix stack memory use after return in
 raid1_reshape

On 2025/6/13 17:15, Yu Kuai wrote:
> Hi,
> 
> 在 2025/06/12 20:21, Wang Jinchao 写道:
>> BTW, I feel raid1_reshape can be better coding with following：
> 
> And another hint:
> 
> The poolinfo can be removed directly, the only other place to use it
> is r1buf_pool, and can covert to pass in conf or &conf->raid_disks.
Thanks, I'll review these relationships carefully before refactoring.
> 
> Thanks,
> Kuai
>