1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 665851308818..3194a80f3620 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3126,7 +3126,7 @@ level_store(mddev_t *mddev, const char *buf, size_t len)
                 char nm[20];
                 if (rdev->raid_disk < 0)
                         continue;
-                if (rdev->new_raid_disk > mddev->raid_disks)
+                if (rdev->new_raid_disk >= mddev->raid_disks)
                         rdev->new_raid_disk = -1;
                 if (rdev->new_raid_disk == rdev->raid_disk)
                         continue;