md: fix v1.x metadata update when a disk is missing.

[net-next-2.6.git] / drivers / md / md.c

diff --git a/drivers/md/md.c b/drivers/md/md.c
index bdd9bba577b076addf1c1c9e880fd8c4498aac1b..f20d13e717d55e0a04de747f62384d2ce4b0b310 100644 (file)
--- 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);