linux/drivers/ufs/core
wangshuaiwei 2f38fd99c0 scsi: ufs: core: Fix shift out of bounds when MAXQ=32
According to JESD223F, the maximum number of queues (MAXQ) is 32. When MCQ
is enabled and ESI is disabled, nr_hw_queues=32 causes a shift overflow
problem.

Fix this by using 64-bit intermediate values to handle the nr_hw_queues=32
case safely.

Signed-off-by: wangshuaiwei <wangshuaiwei1@xiaomi.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://patch.msgid.link/20260224063228.50112-1-wangshuaiwei1@xiaomi.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2026-02-24 14:23:07 -05:00
..
Kconfig scsi: ufs: core: Remove HPB support 2023-07-23 16:40:39 -04:00
Makefile scsi: ufs: core: Add OP-TEE based RPMB driver for UFS devices 2025-11-10 12:49:43 -05:00
ufs-debugfs.c
ufs-debugfs.h
ufs-fault-injection.c fault-inject: improve build for CONFIG_FAULT_INJECTION=n 2024-09-01 20:43:33 -07:00
ufs-fault-injection.h scsi: ufs: core: Make fault injection dynamically configurable per HBA 2023-11-24 19:23:35 -05:00
ufs-hwmon.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
ufs-mcq.c scsi: ufs: core: Use a host-wide tagset in SDB mode 2026-02-03 21:56:27 -05:00
ufs-rpmb.c scsi: ufs: core: Add OP-TEE based RPMB driver for UFS devices 2025-11-10 12:49:43 -05:00
ufs-sysfs.c Merge patch series "ufs: ufs-qcom: Add support firmware managed platforms" 2026-01-23 22:07:51 -05:00
ufs-sysfs.h scsi: ufs: core: Revert "Make HID attributes visible" 2025-10-29 23:12:33 -04:00
ufs_bsg.c scsi: ufs: core: Remove an unnecessary NULL pointer check 2025-11-12 20:58:28 -05:00
ufs_bsg.h
ufs_trace.h scsi: ufs: core: Remove UFS_DEV_COMP 2025-10-23 22:18:12 -04:00
ufs_trace_types.h scsi: ufs: core: Remove UFS_DEV_COMP 2025-10-23 22:18:12 -04:00
ufshcd-crypto.c blk-crypto: add basic hardware-wrapped key support 2025-02-10 09:54:19 -07:00
ufshcd-crypto.h scsi: ufs: core: Optimize the hot path 2025-11-12 17:02:34 -05:00
ufshcd-priv.h SCSI misc on 20260212 2026-02-12 15:43:02 -08:00
ufshcd.c scsi: ufs: core: Fix shift out of bounds when MAXQ=32 2026-02-24 14:23:07 -05:00