linux-kernel - RE:(2) [PATCH] scsi: ufs: Fix divide zero case in ufshcd_map

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Message-ID: <1891546521.01644889081701.JavaMail.epsvc@epcpadp4>
Date:   Tue, 15 Feb 2022 10:35:10 +0900
From:   Jinyoung CHOI <j-young.choi@...sung.com>
To:     Bart Van Assche <bvanassche@....org>,
        ALIM AKHTAR <alim.akhtar@...sung.com>,
        "avri.altman@....com" <avri.altman@....com>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "beanhuo@...ron.com" <beanhuo@...ron.com>,
        Daejun Park <daejun7.park@...sung.com>,
        "adrian.hunter@...el.com" <adrian.hunter@...el.com>,
        "cang@...eaurora.org" <cang@...eaurora.org>,
        "asutoshd@...eaurora.org" <asutoshd@...eaurora.org>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE:(2) [PATCH] scsi: ufs: Fix divide zero case in
 ufshcd_map_queues()

>On 2/14/22 02:33, Jinyoung CHOI wrote:
>> Before calling blk_mq_map_queues(), the mq_map and nr_queues belonging
>> to "struct blk_mq_queue_map" must be a vaild value.
>                                     ^^   ^^^^^
>                                   have   valid
> 
>> If nr_queues is set to 0, the system may encounter the "divide zero"
>> depending on the type of architecture.
> 
>Anyway:
>
>Reviewed-by: Bart Van Assche <bvanassche@....org>

Hi, Bart.

Thanks for your review.
I will be careful of typo. :)

Best Regards,
Jinyoung Choi