diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index fb9b4d29af0b..906cd6bfa2a9 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2956,7 +2956,8 @@ static int sd_revalidate_disk(struct gendisk *disk) q->limits.io_opt = logical_to_bytes(sdp, sdkp->opt_xfer_blocks); rw_max = logical_to_sectors(sdp, sdkp->opt_xfer_blocks); } else - rw_max = BLK_DEF_MAX_SECTORS; + rw_max = min_not_zero(logical_to_sectors(sdp, dev_max), + (sector_t)BLK_DEF_MAX_SECTORS); /* Combine with controller limits */ q->limits.max_sectors = min(rw_max, queue_max_hw_sectors(q));