1 files changed, 3 insertions, 1 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 94bed61b799f..6526f1faf6c2 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -7087,8 +7087,10 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans,
                 if (reada && level == 1)
                         reada_walk_down(trans, root, wc, path);
                 next = read_tree_block(root, bytenr, blocksize, generation);
-                if (!next)
+                if (!next || !extent_buffer_uptodate(next)) {
+                        free_extent_buffer(next);
                         return -EIO;
+                }
                 btrfs_tree_lock(next);
                 btrfs_set_lock_blocking(next);
         }