1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index bdd9bba577b0..f20d13e717d5 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1643,7 +1643,9 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
                 bmask = queue_logical_block_size(rdev->bdev->bd_disk->queue)-1;
                 if (rdev->sb_size & bmask)
                         rdev->sb_size = (rdev->sb_size | bmask) + 1;
-        }
+        } else
+                max_dev = le32_to_cpu(sb->max_dev);
+
         for (i=0; i<max_dev;i++)
                 sb->dev_roles[i] = cpu_to_le16(0xfffe);