This is a note to let you know that I've just added the patch titled scsi: ufs: core: Improve SCSI abort handling to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: scsi-ufs-core-improve-scsi-abort-handling.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 7c2f84c0419fbf89be42ea6ff81d6cc0c77736e0 Author: Bart Van Assche <bvanassche@xxxxxxx> Date: Thu Nov 4 11:10:53 2021 -0700 scsi: ufs: core: Improve SCSI abort handling [ Upstream commit 3ff1f6b6ba6f97f50862aa50e79959cc8ddc2566 ] The following has been observed on a test setup: WARNING: CPU: 4 PID: 250 at drivers/scsi/ufs/ufshcd.c:2737 ufshcd_queuecommand+0x468/0x65c Call trace: ufshcd_queuecommand+0x468/0x65c scsi_send_eh_cmnd+0x224/0x6a0 scsi_eh_test_devices+0x248/0x418 scsi_eh_ready_devs+0xc34/0xe58 scsi_error_handler+0x204/0x80c kthread+0x150/0x1b4 ret_from_fork+0x10/0x30 That warning is triggered by the following statement: WARN_ON(lrbp->cmd); Fix this warning by clearing lrbp->cmd from the abort handler. Link: https://lore.kernel.org/r/20211104181059.4129537-1-bvanassche@xxxxxxx Fixes: 7a3e97b0dc4b ("[SCSI] ufshcd: UFS Host controller driver") Reviewed-by: Bean Huo <beanhuo@xxxxxxxxxx> Reviewed-by: Stanley Chu <stanley.chu@xxxxxxxxxxxx> Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx> Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 20705cec83c55..325a15186e950 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -7040,6 +7040,7 @@ static int ufshcd_abort(struct scsi_cmnd *cmd) goto release; } + lrbp->cmd = NULL; err = SUCCESS; release: