[SCSI] hpsa: avoid unwanted promotion from unsigned to signed for raid level index
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 0f4a1f3..ee9db5e 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -431,7 +431,7 @@
struct device_attribute *attr, char *buf)
{
ssize_t l = 0;
- int rlevel;
+ unsigned char rlevel;
struct ctlr_info *h;
struct scsi_device *sdev;
struct hpsa_scsi_dev_t *hdev;
@@ -455,7 +455,7 @@
rlevel = hdev->raid_level;
spin_unlock_irqrestore(&h->lock, flags);
- if (rlevel < 0 || rlevel > RAID_UNKNOWN)
+ if (rlevel > RAID_UNKNOWN)
rlevel = RAID_UNKNOWN;
l = snprintf(buf, PAGE_SIZE, "RAID %s\n", raid_label[rlevel]);
return l;