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

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Message-ID: <abde89aa-502a-482d-a56e-a0fd4112d5e7@acm.org>
Date: Tue, 13 Jan 2026 08:42:07 -0800
From: Bart Van Assche <bvanassche@....org>
To: keosung.park@...sung.com, ALIM AKHTAR <alim.akhtar@...sung.com>,
 "avri.altman@....com" <avri.altman@....com>,
 "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>,
 "quic_nguyenb@...cinc.com" <quic_nguyenb@...cinc.com>,
 "liu.song13@....com.cn" <liu.song13@....com.cn>,
 "chullee@...gle.com" <chullee@...gle.com>
Cc: "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] scsi: ufs: core: Handle sentinel value for
 dHIDAvailableSize

On 12/25/25 9:28 PM, Keoseong Park wrote:
> 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.

Reviewed-by: Bart Van Assche <bvanassche@....org>