scsi: ufs: core: Handle sentinel value for dHIDAvailableSize

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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.

Signed-off-by: Keoseong Park <keosung.park@samsung.com>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://patch.msgid.link/20251226042825epcms2p6f02ba12fa97ff4a69c00f6fb9ff55603@epcms2p6
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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Keoseong Park 2025-12-26 13:28:25 +09:00 • committed by Martin K. Petersen

parent 07959ef517

commit 695df7ea60

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drivers/ufs/core/ufs-sysfs.c

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