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Date:   Wed, 25 Oct 2023 19:06:42 +0900
From:   Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:     Zhong Jinghua <zhongjinghua@...weicloud.com>, axboe@...nel.dk
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        zhongjinghua@...wei.com, yi.zhang@...wei.com, yukuai3@...wei.com
Subject: Re: [PATCH] block: Fix minor range check in device_add_disk()

On 2023/10/25 17:46, Zhong Jinghua wrote:
> Checks added in patch:
> commit e338924bd05d ("block: check minor range in device_add_disk()")
> ignore the problem of first_minore < 0 and disk->minors < 0.

What is the problem of first_minor < 0 or disk->minors < 0 ?
Are negative values legal/illegal ?

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