diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index e78ab29f8f1b2..076fd7484a820 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -7981,6 +7981,7 @@ static int account_shared_subtree(struct btrfs_trans_handle *trans,
 			eb = read_tree_block(root, child_bytenr, child_gen);
 			if (!eb || !extent_buffer_uptodate(eb)) {
 				ret = -EIO;
+				free_extent_buffer(eb);
 				goto out;
 			}