diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index a1a2ac09066f..3eaee1f7aaca 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3296,6 +3296,8 @@ static int sd_revalidate_disk(struct gendisk *disk)
(sector_t)BLK_DEF_MAX_SECTORS);
}
+ rw_max = min_not_zero(rw_max, sdp->host->opt_sectors);Adding a comment explaining what the cap is would be nice.
+