]> git.ipfire.org Git - thirdparty/kernel/linux.git/commit
scsi: ufs: core: Handle sentinel value for dHIDAvailableSize
authorKeoseong Park <keosung.park@samsung.com>
Fri, 26 Dec 2025 04:28:25 +0000 (13:28 +0900)
committerMartin K. Petersen <martin.petersen@oracle.com>
Sat, 17 Jan 2026 04:11:09 +0000 (23:11 -0500)
commit695df7ea6099aadc11fac8d510e4b7c5839508e3
tree2acb24b90af8fa8f2cdb4bf5c7dc2a38aad9b734
parent07959ef517b853e834eadd0647d3860252af8f99
scsi: ufs: core: Handle sentinel value for dHIDAvailableSize

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>
drivers/ufs/core/ufs-sysfs.c