1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 7da6ec244e15..b375de5c1af2 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1105,7 +1105,11 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version)
         rdev->sb_size = le32_to_cpu(sb->max_dev) * 2 + 256;
         bmask = queue_hardsect_size(rdev->bdev->bd_disk->queue)-1;
         if (rdev->sb_size & bmask)
-                rdev-> sb_size = (rdev->sb_size | bmask)+1;
+                rdev->sb_size = (rdev->sb_size | bmask) + 1;
+
+        if (minor_version
+            && rdev->data_offset < sb_offset + (rdev->sb_size/512))
+                return -EINVAL;
 
         if (sb->level == cpu_to_le32(LEVEL_MULTIPATH))
                 rdev->desc_nr = -1;
@@ -1137,7 +1141,7 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version)
                 else
                         ret = 0;
         }
-        if (minor_version) 
+        if (minor_version)
                 rdev->size = ((rdev->bdev->bd_inode->i_size>>9) - le64_to_cpu(sb->data_offset)) / 2;
         else
                 rdev->size = rdev->sb_offset;