1 files changed, 4 insertions, 2 deletions

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 427c36b430a6..46025688f1d0 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1373,7 +1373,8 @@ tree_mod_log_rewind(struct btrfs_fs_info *fs_info, struct btrfs_path *path,
 
         if (tm->op == MOD_LOG_KEY_REMOVE_WHILE_FREEING) {
                 BUG_ON(tm->slot != 0);
-                eb_rewin = alloc_dummy_extent_buffer(fs_info, eb->start);
+                eb_rewin = alloc_dummy_extent_buffer(fs_info, eb->start,
+                                                eb->len);
                 if (!eb_rewin) {
                         btrfs_tree_read_unlock_blocking(eb);
                         free_extent_buffer(eb);
@@ -1454,7 +1455,8 @@ get_old_root(struct btrfs_root *root, u64 time_seq)
         } else if (old_root) {
                 btrfs_tree_read_unlock(eb_root);
                 free_extent_buffer(eb_root);
-                eb = alloc_dummy_extent_buffer(root->fs_info, logical);
+                eb = alloc_dummy_extent_buffer(root->fs_info, logical,
+                                        root->nodesize);
         } else {
                 btrfs_set_lock_blocking_rw(eb_root, BTRFS_READ_LOCK);
                 eb = btrfs_clone_extent_buffer(eb_root);