linux-kernel - Re: [RFC PATCH 4/5] scsi: ufs: L2P map management for HPB read

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Message-ID: <03c44832-57e2-d4c4-ece2-06b59bec550f@acm.org>
Date:   Mon, 8 Jun 2020 18:15:15 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Avri Altman <Avri.Altman@....com>,
        "daejun7.park@...sung.com" <daejun7.park@...sung.com>,
        ALIM AKHTAR <alim.akhtar@...sung.com>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "asutoshd@...eaurora.org" <asutoshd@...eaurora.org>,
        "beanhuo@...ron.com" <beanhuo@...ron.com>,
        "stanley.chu@...iatek.com" <stanley.chu@...iatek.com>,
        "cang@...eaurora.org" <cang@...eaurora.org>,
        "tomas.winkler@...el.com" <tomas.winkler@...el.com>
Cc:     "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Sang-yoon Oh <sangyoon.oh@...sung.com>,
        Sung-Jun Park <sungjun07.park@...sung.com>,
        yongmyung lee <ymhungry.lee@...sung.com>,
        Jinyoung CHOI <j-young.choi@...sung.com>,
        Adel Choi <adel.choi@...sung.com>,
        BoRam Shin <boram.shin@...sung.com>
Subject: Re: [RFC PATCH 4/5] scsi: ufs: L2P map management for HPB read

On 2020-06-06 11:26, Avri Altman wrote:
>> +       data_seg_len = be32_to_cpu(lrbp->ucd_rsp_ptr->header.dword_2)
>> +               & MASK_RSP_UPIU_DATA_SEG_LEN;
> get_unaligned instead of be32_to_cpu ?

Since sparse checks that the argument of be32_to_cpu() has type __be32
and since no such check is performed for get_unaligned_*(), please keep
the be32_to_cpu().

Thanks,

Bart.