[PATCH v4 14/23] ncr5380: Reduce max_lun limit

[Finn Thain]

The driver has a limit of eight LUs because of the byte-sized bitfield
that is used for busy flags. That means the maximum LUN is 7. The default
is 8.

Signed-off-by: Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx>
Tested-by: Michael Schmitz <schmitzmic@xxxxxxxxx>
Tested-by: Ondrej Zary <linux@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>

---

Changed since v1:
- Reduce shost->max_lun limit instead of adding 'MAX_LUN' limit.

---
 drivers/scsi/NCR5380.c |    2 ++
 1 file changed, 2 insertions(+)

Index: linux/drivers/scsi/NCR5380.c
===================================================================
--- linux.orig/drivers/scsi/NCR5380.c	2016-03-23 21:09:53.000000000 +1100
+++ linux/drivers/scsi/NCR5380.c	2016-03-23 21:09:56.000000000 +1100
@@ -488,6 +488,8 @@ static int NCR5380_init(struct Scsi_Host
 	int i;
 	unsigned long deadline;
 
+	instance->max_lun = 7;
+
 	hostdata->host = instance;
 	hostdata->id_mask = 1 << instance->this_id;
 	hostdata->id_higher_mask = 0;