Btrfs: Various small fixes.

This trivial patch contains two locking fixes and a off by one fix.

---

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index a5c0e98b5aeb..36726696e58b 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -209,8 +209,7 @@ again:
                         goto err;
                 }
 
-                ret = btrfs_add_dead_root(dead_root, latest,
-                                          &root->fs_info->dead_roots);
+                ret = btrfs_add_dead_root(dead_root, latest);
                 if (ret)
                         goto err;
                 goto again;