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Commit f3933545 authored by Eric Van Hensbergen's avatar Eric Van Hensbergen Committed by Eric Van Hensbergen
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9p: add remove function to trans_virtio 



Request from rusty:
Just cleaning up patches for 2.6.25 merge, and noticed that
net/9p/trans_virtio.c doesn't have a remove function.  This will crash when
removing the module (console doesn't have one because it can't really be
removed).

Signed-off-by: default avatarEric Van Hensbergen <ericvh@gmail.com>
parent dea7bbb6

net/9p/trans_virtio.c

+19 −0
Original line number Diff line number Diff line
@@ -385,6 +385,18 @@ static struct p9_trans *p9_virtio_create(const char *devname, char *args) 
	return trans;

}



static void p9_virtio_remove(struct virtio_device *vdev)

{

	struct virtio_chan *chan = vdev->priv;



	BUG_ON(chan->inuse);



	if (chan->initialized) {

		vdev->config->del_vq(chan->vq);

		chan->initialized = false;

	}

}



#define VIRTIO_ID_9P 9



static struct virtio_device_id id_table[] = {
@@ -398,6 +410,7 @@ static struct virtio_driver p9_virtio_drv = { 
	.driver.owner = THIS_MODULE,

	.id_table =	id_table,

	.probe = 	p9_virtio_probe,

	.remove =	p9_virtio_remove,

};



static struct p9_trans_module p9_virtio_trans = {
@@ -419,7 +432,13 @@ static int __init p9_virtio_init(void) 
	return register_virtio_driver(&p9_virtio_drv);

}



static void __exit p9_virtio_cleanup(void)

{

	unregister_virtio_driver(&p9_virtio_drv);

}



module_init(p9_virtio_init);

module_exit(p9_virtio_cleanup);



MODULE_DEVICE_TABLE(virtio, id_table);

MODULE_AUTHOR("Eric Van Hensbergen <ericvh@gmail.com>");