hpsa: fix handling of hpsa_volume_offline return value
Make return value an int instead of an unsigned char so that
we do not lose negative error return values.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Reviewed-by: Webb Scales <webb.scales@hp.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index af51e7d..31184b3 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -2543,11 +2543,11 @@
/* Determine offline status of a volume.
* Return either:
* 0 (not offline)
- * -1 (offline for unknown reasons)
+ * 0xff (offline for unknown reasons)
* # (integer code indicating one of several NOT READY states
* describing why a volume is to be kept offline)
*/
-static unsigned char hpsa_volume_offline(struct ctlr_info *h,
+static int hpsa_volume_offline(struct ctlr_info *h,
unsigned char scsi3addr[])
{
struct CommandList *c;
@@ -2646,11 +2646,15 @@
if (this_device->devtype == TYPE_DISK &&
is_logical_dev_addr_mode(scsi3addr)) {
+ int volume_offline;
+
hpsa_get_raid_level(h, scsi3addr, &this_device->raid_level);
if (h->fw_support & MISC_FW_RAID_OFFLOAD_BASIC)
hpsa_get_ioaccel_status(h, scsi3addr, this_device);
- this_device->volume_offline =
- hpsa_volume_offline(h, scsi3addr);
+ volume_offline = hpsa_volume_offline(h, scsi3addr);
+ if (volume_offline < 0 || volume_offline > 0xff)
+ volume_offline = HPSA_VPD_LV_STATUS_UNSUPPORTED;
+ this_device->volume_offline = volume_offline & 0xff;
} else {
this_device->raid_level = RAID_UNKNOWN;
this_device->offload_config = 0;
diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h
index 649b463..b5125dc 100644
--- a/drivers/scsi/hpsa_cmd.h
+++ b/drivers/scsi/hpsa_cmd.h
@@ -151,7 +151,7 @@
#define HPSA_VPD_HEADER_SZ 4
/* Logical volume states */
-#define HPSA_VPD_LV_STATUS_UNSUPPORTED -1
+#define HPSA_VPD_LV_STATUS_UNSUPPORTED 0xff
#define HPSA_LV_OK 0x0
#define HPSA_LV_UNDERGOING_ERASE 0x0F
#define HPSA_LV_UNDERGOING_RPI 0x12