259 	kfree(vq->heads);  in vhost_vq_free_iovecs()
260 	vq->heads = NULL;  in vhost_vq_free_iovecs()
274 		vq->heads = kmalloc(sizeof *vq->heads * UIO_MAXIOV, GFP_KERNEL);  in vhost_dev_alloc_iovecs()
275 		if (!vq->indirect || !vq->log || !vq->heads)  in vhost_dev_alloc_iovecs()
315 		vq->heads = NULL;  in vhost_dev_init()
1360 	struct vring_used_elem heads = {  in vhost_add_used()  local
1365 	return vhost_add_used_n(vq, &heads, 1);  in vhost_add_used()
1370 			    struct vring_used_elem *heads,  in __vhost_add_used_n()  argument
1380 		if (__put_user(heads[0].id, &used->id)) {  in __vhost_add_used_n()
1384 		if (__put_user(heads[0].len, &used->len)) {  in __vhost_add_used_n()
1388 	} else if (__copy_to_user(used, heads, count * sizeof *used)) {  in __vhost_add_used_n()
1414 int vhost_add_used_n(struct vhost_virtqueue *vq, struct vring_used_elem *heads,  in vhost_add_used_n()  argument
1422 		r = __vhost_add_used_n(vq, heads, n);  in vhost_add_used_n()
1425 		heads += n;  in vhost_add_used_n()
1428 	r = __vhost_add_used_n(vq, heads, count);  in vhost_add_used_n()
1507 				 struct vring_used_elem *heads, unsigned count)  in vhost_add_used_and_signal_n()  argument
1509 	vhost_add_used_n(vq, heads, count);  in vhost_add_used_and_signal_n()