if (write_notes_tree(&c->tree, tree_sha1))
                return -1;
-       if (commit_tree(c->validity, tree_sha1, NULL, commit_sha1, NULL) < 0)
+       if (commit_tree(c->validity, strlen(c->validity), tree_sha1, NULL,
+                       commit_sha1, NULL, NULL) < 0)
                return -1;
        if (update_ref("update notes cache", c->tree.ref, commit_sha1, NULL,
-                      0, QUIET_ON_ERR) < 0)
+                      0, UPDATE_REFS_QUIET_ON_ERR) < 0)
                return -1;
 
        return 0;
 
        if (write_sha1_file(data, size, "blob", value_sha1) < 0)
                return -1;
-       add_note(&c->tree, key_sha1, value_sha1, NULL);
-       return 0;
+       return add_note(&c->tree, key_sha1, value_sha1, NULL);
 }