> If host tries to remove ufshcd driver from a ufs device, it would
> cause a kernel panic if ufshcd_async_scan fails during
> ufshcd_probe_hba before adding a scsi host with scsi_add_host and MCQ
> is enabled since scsi host has been defered after MCQ configuration
> introduced by Commit 0cab4023ec7b ("scsi: ufs: core: Defer adding host
> to SCSI if MCQ is supported").
>
> To guarantee that scsi host is removed only if it's been added, set
> the scsi_host_added flag to true after adding a scsi host and check
> whether it's set or not before removing the scsi host.
Applied to 6.11/scsi-staging, thanks!
--
Martin K. Petersen Oracle Linux Engineering
