1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index d247429ee5ef..54a1ad5eef42 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3071,7 +3071,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
                 release_stripe(sh);
         }
         spin_lock_irq(&conf->device_lock);
-        conf->expand_progress = (sector_nr + i)*(conf->raid_disks-1);
+        conf->expand_progress = (sector_nr + i) * new_data_disks;
         spin_unlock_irq(&conf->device_lock);
         /* Ok, those stripe are ready. We can start scheduling
          * reads on the source stripes.