388 	kfree(vq->heads);  in vhost_vq_free_iovecs()
389 	vq->heads = NULL;  in vhost_vq_free_iovecs()
405 		vq->heads = kmalloc_array(dev->iov_limit, sizeof(*vq->heads),  in vhost_dev_alloc_iovecs()
407 		if (!vq->indirect || !vq->log || !vq->heads)  in vhost_dev_alloc_iovecs()
501 		vq->heads = NULL;  in vhost_dev_init()
2365 	struct vring_used_elem heads = {  in vhost_add_used()  local
2370 	return vhost_add_used_n(vq, &heads, 1);  in vhost_add_used()
2375 			    struct vring_used_elem *heads,  in __vhost_add_used_n()  argument
2384 	if (vhost_put_used(vq, heads, start, count)) {  in __vhost_add_used_n()
2408 int vhost_add_used_n(struct vhost_virtqueue *vq, struct vring_used_elem *heads,  in vhost_add_used_n()  argument
2416 		r = __vhost_add_used_n(vq, heads, n);  in vhost_add_used_n()
2419 		heads += n;  in vhost_add_used_n()
2422 	r = __vhost_add_used_n(vq, heads, count);  in vhost_add_used_n()
2502 				 struct vring_used_elem *heads, unsigned count)  in vhost_add_used_and_signal_n()  argument
2504 	vhost_add_used_n(vq, heads, count);  in vhost_add_used_and_signal_n()