c
if (!vm || !vm->pt_root || !vm->pt_root[id]) {
    xe_err(xe, "Invalid vm or pt_root structure\n");
    return -EINVAL;
}
if (!vm->pt_root[id]->bo || !vm->pt_root[id]->bo->vmap) {
    xe_err(xe, "Invalid bo or vmap in pt_root\n");
    return -EINVAL;
}
xe_pt_write(xe, &vm->pt_root[id]->bo->vmap, 0, entry);
