Hi,
The Scsi_Host structure max_lun field is the maximum allowed LUN plus 1. So
a LUN value is invalid if >= max_lun.
Signed-off-by: Mark Knibbs <ma...@clara.co.uk>
---
diff -upN linux-3.17/drivers/scsi/scsi_scan.c.orig
linux-3.17/drivers/scsi/scsi_scan.c
--- linux-3.17/drivers/scsi/scsi_scan.c.orig 2014-10-05 20:23:04.000000000
+0100
+++ linux-3.17/drivers/scsi/scsi_scan.c 2014-10-09 12:26:45.000000000 +0100
@@ -1704,7 +1704,7 @@ int scsi_scan_host_selected(struct Scsi_
if (((channel != SCAN_WILD_CARD) && (channel > shost->max_channel)) ||
((id != SCAN_WILD_CARD) && (id >= shost->max_id)) ||
- ((lun != SCAN_WILD_CARD) && (lun > shost->max_lun)))
+ ((lun != SCAN_WILD_CARD) && (lun >= shost->max_lun)))
return -EINVAL;
mutex_lock(&shost->scan_mutex);
--
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