1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index cb8281605be8..57fa64f93e5f 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3849,6 +3849,7 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev)
         }
         clear_bit(In_sync, &rdev->flags);
         rdev->desc_nr = -1;
+        rdev->saved_raid_disk = -1;
         err = bind_rdev_to_array(rdev, mddev);
         if (err)
                 goto abort_export;