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Commit c877bab5 authored by Amit Shah's avatar Amit Shah Committed by Rusty Russell
Browse files

virtio: balloon: separate out common code between remove and freeze functions 



The remove and freeze functions have a lot of shared code; put it into a
common function that gets called by both.

Signed-off-by: default avatarAmit Shah <amit.shah@redhat.com>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent c45b4166

drivers/virtio/virtio_balloon.c

+12 −14
Original line number Diff line number Diff line
@@ -381,21 +381,25 @@ static int virtballoon_probe(struct virtio_device *vdev) 
	return err;

}



static void __devexit virtballoon_remove(struct virtio_device *vdev)

static void remove_common(struct virtio_balloon *vb)

{

	struct virtio_balloon *vb = vdev->priv;



	kthread_stop(vb->thread);



	/* There might be pages left in the balloon: free them. */

	while (vb->num_pages)

		leak_balloon(vb, vb->num_pages);

	update_balloon_size(vb);



	/* Now we reset the device so we can clean up the queues. */

	vdev->config->reset(vdev);

	vb->vdev->config->reset(vb->vdev);



	vdev->config->del_vqs(vdev);

	vb->vdev->config->del_vqs(vb->vdev);

}



static void __devexit virtballoon_remove(struct virtio_device *vdev)

{

	struct virtio_balloon *vb = vdev->priv;



	kthread_stop(vb->thread);

	remove_common(vb);

	kfree(vb);

}
@@ -409,13 +413,7 @@ static int virtballoon_freeze(struct virtio_device *vdev) 
	 * function is called.

	 */



	while (vb->num_pages)

		leak_balloon(vb, vb->num_pages);

	update_balloon_size(vb);



	/* Ensure we don't get any more requests from the host */

	vdev->config->reset(vdev);

	vdev->config->del_vqs(vdev);

	remove_common(vb);

	return 0;

}