Can GuoandGreg Kroah-Hartman 1f7213358d scsi: ufs: core: Let the sq_lock protect sq_tail_slot access ...

[ Upstream commit 04c116e2bd ]

When accessing sq_tail_slot without protection from sq_lock, a race
condition can cause multiple SQEs to be copied to duplicate SQE slots. This
can lead to multiple stability issues. Fix this by moving the *dest
initialization in ufshcd_send_command() back under protection from the
sq_lock.

Fixes: 3c85f087fa ("scsi: ufs: mcq: Use pointer arithmetic in ufshcd_send_command()")
Signed-off-by: Can Guo <quic_cang@quicinc.com>
Link: https://lore.kernel.org/r/1702913550-20631-1-git-send-email-quic_cang@quicinc.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-01-01 12:42:37 +00:00

..

core

scsi: ufs: core: Let the sq_lock protect sq_tail_slot access

2024-01-01 12:42:37 +00:00

host

scsi: ufs: qcom: Return ufs_qcom_clk_scale_*() errors in ufs_qcom_clk_scale_notify()

2024-01-01 12:42:36 +00:00

Kconfig

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Makefile

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