338 	kfree(vq->heads);  in vhost_vq_free_iovecs()
339 	vq->heads = NULL;  in vhost_vq_free_iovecs()
353 		vq->heads = kmalloc(sizeof *vq->heads * UIO_MAXIOV, GFP_KERNEL);  in vhost_dev_alloc_iovecs()
354 		if (!vq->indirect || !vq->log || !vq->heads)  in vhost_dev_alloc_iovecs()
394 		vq->heads = NULL;  in vhost_dev_init()
1475 	struct vring_used_elem heads = {  in vhost_add_used()  local
1480 	return vhost_add_used_n(vq, &heads, 1);  in vhost_add_used()
1485 			    struct vring_used_elem *heads,  in __vhost_add_used_n()  argument
1495 		if (__put_user(heads[0].id, &used->id)) {  in __vhost_add_used_n()
1499 		if (__put_user(heads[0].len, &used->len)) {  in __vhost_add_used_n()
1503 	} else if (__copy_to_user(used, heads, count * sizeof *used)) {  in __vhost_add_used_n()
1529 int vhost_add_used_n(struct vhost_virtqueue *vq, struct vring_used_elem *heads,  in vhost_add_used_n()  argument
1537 		r = __vhost_add_used_n(vq, heads, n);  in vhost_add_used_n()
1540 		heads += n;  in vhost_add_used_n()
1543 	r = __vhost_add_used_n(vq, heads, count);  in vhost_add_used_n()
1622 				 struct vring_used_elem *heads, unsigned count)  in vhost_add_used_and_signal_n()  argument
1624 	vhost_add_used_n(vq, heads, count);  in vhost_add_used_and_signal_n()