The three values starting at byte 8 of the Zoned Block Device
Characteristics VPD page B6h are 32 bits values, not 64bits. So use
get_unaligned_be32() to retrieve the values and not get_unaligned_be64()
Fixes: 89d947561077 ("sd: Implement support for ZBC devices")
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx>
Reviewed-by: Bart Van Assche <Bart.VanAssche@xxxxxxx>
Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
---
drivers/scsi/sd_zbc.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c
index bbad851c1789..27793b9f54c0 100644
--- a/drivers/scsi/sd_zbc.c
+++ b/drivers/scsi/sd_zbc.c
@@ -423,15 +423,15 @@ static int sd_zbc_read_zoned_characteristics(struct scsi_disk *sdkp,
if (sdkp->device->type != TYPE_ZBC) {
/* Host-aware */
sdkp->urswrz = 1;
- sdkp->zones_optimal_open = get_unaligned_be64(&buf[8]);
- sdkp->zones_optimal_nonseq = get_unaligned_be64(&buf[12]);
+ sdkp->zones_optimal_open = get_unaligned_be32(&buf[8]);
+ sdkp->zones_optimal_nonseq = get_unaligned_be32(&buf[12]);
sdkp->zones_max_open = 0;
} else {
/* Host-managed */
sdkp->urswrz = buf[4] & 1;
sdkp->zones_optimal_open = 0;
sdkp->zones_optimal_nonseq = 0;
- sdkp->zones_max_open = get_unaligned_be64(&buf[16]);
+ sdkp->zones_max_open = get_unaligned_be32(&buf[16]);
}
return 0;
--
2.13.6
