Abstract accesses to the scsi_lookup array by introducing
mpt3sas_get_st_from_smid().
Signed-off-by: NHannes Reinecke <hare@suse.com>
Signed-off-by: NSuganath Prabu S <suganath-prabu.subramani@broadcom.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>