linux-kernel - Re: [PATCH] scsi: ufs: core: Handle sentinel value for dHIDAvailableSize

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Message-ID: <yq1pl78j2to.fsf@ca-mkp.ca.oracle.com>
Date: Fri, 16 Jan 2026 23:11:36 -0500
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: Keoseong Park <keosung.park@...sung.com>
Cc: ALIM AKHTAR <alim.akhtar@...sung.com>,
        "avri.altman@....com"
 <avri.altman@....com>,
        "bvanassche@....org" <bvanassche@....org>,
        "James.Bottomley@...senPartnership.com"
 <James.Bottomley@...senPartnership.com>,
        "martin.petersen@...cle.com"
 <martin.petersen@...cle.com>,
        "peter.wang@...iatek.com"
 <peter.wang@...iatek.com>,
        "tanghuan@...o.com" <tanghuan@...o.com>,
        "zhongqiu.han@....qualcomm.com" <zhongqiu.han@....qualcomm.com>,
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        "liu.song13@....com.cn" <liu.song13@....com.cn>,
        "chullee@...gle.com"
 <chullee@...gle.com>,
        "linux-scsi@...r.kernel.org"
 <linux-scsi@...r.kernel.org>,
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Subject: Re: [PATCH] scsi: ufs: core: Handle sentinel value for
 dHIDAvailableSize


Keoseong,

> JEDEC UFS spec defines 0xFFFFFFFF for dHIDAvailableSize as indicating no
> valid fragmented size information. Returning the raw value can mislead
> userspace. Return -ENODATA instead when the value is unavailable.

Applied to 6.20/scsi-staging, thanks!

-- 
Martin K. Petersen