scsi: ufs: core: Improve SCSI abort handling
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@acm.org Fixes: 7a3e97b0dc4b ("[SCSI] ufshcd: UFS Host controller driver") Reviewed-by: Bean Huo <beanhuo@micron.com> Reviewed-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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@ -7116,6 +7116,7 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
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goto release;
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}
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lrbp->cmd = NULL;
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err = SUCCESS;
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release:
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