scsi: smartpqi: Avoid crashing kernel for controller issues
authorKevin Barnett <kevin.barnett@microsemi.com>
Fri, 31 Jul 2020 21:01:33 +0000 (16:01 -0500)
committerMartin K. Petersen <martin.petersen@oracle.com>
Fri, 21 Aug 2020 01:41:51 +0000 (21:41 -0400)
commit9e68cccc8ef7206f0bccd590378d0dca8f9b4f57
tree72756db88170175cb44ee417eb257312f805b668
parent244ca45e15cffe38ce465957d70c861b324961a4
scsi: smartpqi: Avoid crashing kernel for controller issues

Eliminate kernel panics when getting invalid responses from controller.
Take controller offline instead of causing kernel panics.

Link: https://lore.kernel.org/r/159622929306.30579.16523318707596752828.stgit@brunhilda
Reviewed-by: Scott Teel <scott.teel@microsemi.com>
Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Reviewed-by: Prasad Munirathnam <Prasad.Munirathnam@microsemi.com>
Reviewed-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/smartpqi/smartpqi.h
drivers/scsi/smartpqi/smartpqi_init.c