From ae5e33af42eb1f1262cfc8722072561b908bf914 Mon Sep 17 00:00:00 2001
From: Finn Thain <fthain@telegraphics.com.au>
Date: Wed, 23 Mar 2016 21:10:23 +1100
Subject: [PATCH] ncr5380: Reduce max_lun limit

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@telegraphics.com.au>
Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Tested-by: Ondrej Zary <linux@rainbow-software.org>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
 drivers/scsi/NCR5380.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index 305330b26349..5187c31a48be 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -488,6 +488,8 @@ static int NCR5380_init(struct Scsi_Host *instance, int flags)
 	int i;
 	unsigned long deadline;
 
+	instance->max_lun = 7;
+
 	hostdata->host = instance;
 	hostdata->id_mask = 1 << instance->this_id;
 	hostdata->id_higher_mask = 0;