...
        rc = nm_member_init_hash(nodemap);
        if (rc != 0) {
                OBD_FREE_PTR(nodemap);
                goto out;
        }
... (not touching rc at all)
        if (rc == 0) {
                nodemap_putref(nodemap);
                goto out;
        }

        CERROR("cannot add nodemap: '%s': rc = %d\n", name, rc);
        nodemap_destroy(nodemap);

out:
        return rc;