445     vring_used_elem_t used_elem;  in vhost_svq_get_buf()  local
455     used_elem.id = le32_to_cpu(used->ring[last_used].id);  in vhost_svq_get_buf()
456     used_elem.len = le32_to_cpu(used->ring[last_used].len);  in vhost_svq_get_buf()
459     if (unlikely(used_elem.id >= svq->vring.num)) {  in vhost_svq_get_buf()
461                       svq->vdev->name, used_elem.id);  in vhost_svq_get_buf()
465     if (unlikely(!svq->desc_state[used_elem.id].ndescs)) {  in vhost_svq_get_buf()
468             svq->vdev->name, used_elem.id);  in vhost_svq_get_buf()
472     num = svq->desc_state[used_elem.id].ndescs;  in vhost_svq_get_buf()
473     svq->desc_state[used_elem.id].ndescs = 0;  in vhost_svq_get_buf()
474     last_used_chain = vhost_svq_last_desc_of_chain(svq, num, used_elem.id);  in vhost_svq_get_buf()
476     svq->free_head = used_elem.id;  in vhost_svq_get_buf()
479     *len = used_elem.len;  in vhost_svq_get_buf()
480     return g_steal_pointer(&svq->desc_state[used_elem.id].elem);  in vhost_svq_get_buf()