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aac_command_thread checks on the health of controller periodically, using aac_check_health. If the status is an error state KERNEL_PANIC or anything else. The driver will attempt to restart the adapter, but the response is not checked in aac_command_thread. This allows the periodic sync to go thru and lead the driver to a hung state. Fixed by terminating the periodic loop(intended per original design), if the controller is not restored to a healthy state. Cc: stable@vger.kernel.org Fixes: 3d77d8404478353358 (scsi: aacraid: Added support for periodic wellness sync) Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com> Reviewed-by: David Carroll <David.Carroll@microsemi.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>