diff --git a/[refs] b/[refs]
index 2a51b0115fcd..8bb9b44023de 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 67ac6011db5d2b0c853d573ff474b25c85dfb644
+refs/heads/master: a639755cf885e437b2fe4168d35157fa90d530ab
diff --git a/trunk/drivers/md/raid5.c b/trunk/drivers/md/raid5.c
index b8a22a2205cf..94a74cb5cccb 100644
--- a/trunk/drivers/md/raid5.c
+++ b/trunk/drivers/md/raid5.c
@@ -3785,7 +3785,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
 		    conf->reshape_progress < raid5_size(mddev, 0, 0)) {
 			sector_nr = raid5_size(mddev, 0, 0)
 				- conf->reshape_progress;
-		} else if (mddev->delta_disks > 0 &&
+		} else if (mddev->delta_disks >= 0 &&
 			   conf->reshape_progress > 0)
 			sector_nr = conf->reshape_progress;
 		sector_div(sector_nr, new_data_disks);