[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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 0f4a1f3c7e9f..ee9db5ee3cb1 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -431,7 +431,7 @@ static ssize_t raid_level_show(struct device *dev,
              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 @@ static ssize_t raid_level_show(struct device *dev,
 
         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;