1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index c3273efd08c..627456542fb 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -230,6 +230,7 @@ static int linear_add(struct mddev *mddev, struct md_rdev *rdev)
                 return -EINVAL;
 
         rdev->raid_disk = rdev->saved_raid_disk;
+        rdev->saved_raid_disk = -1;
 
         newconf = linear_conf(mddev,mddev->raid_disks+1);