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-rw-r--r--drivers/virtio/Kconfig4
-rw-r--r--drivers/virtio/virtio.c8
-rw-r--r--drivers/virtio/virtio_ring.c4
3 files changed, 14 insertions, 2 deletions
diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
index 9e33fc4da875..de0c8c2654ef 100644
--- a/drivers/virtio/Kconfig
+++ b/drivers/virtio/Kconfig
@@ -1,8 +1,8 @@
# Virtio always gets selected by whoever wants it.
config VIRTIO
- bool
+ tristate
# Similarly the virtio ring implementation.
config VIRTIO_RING
- bool
+ tristate
depends on VIRTIO
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index 7dddb1860936..b535483bc556 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -162,4 +162,12 @@ static int virtio_init(void)
panic("virtio bus registration failed");
return 0;
}
+
+static void __exit virtio_exit(void)
+{
+ bus_unregister(&virtio_bus);
+}
core_initcall(virtio_init);
+module_exit(virtio_exit);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 74c245092b5c..3a28c1382131 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -266,6 +266,7 @@ irqreturn_t vring_interrupt(int irq, void *_vq)
return IRQ_HANDLED;
}
+EXPORT_SYMBOL_GPL(vring_interrupt);
static struct virtqueue_ops vring_vq_ops = {
.add_buf = vring_add_buf,
@@ -318,9 +319,12 @@ struct virtqueue *vring_new_virtqueue(unsigned int num,
return &vq->vq;
}
+EXPORT_SYMBOL_GPL(vring_new_virtqueue);
void vring_del_virtqueue(struct virtqueue *vq)
{
kfree(to_vvq(vq));
}
+EXPORT_SYMBOL_GPL(vring_del_virtqueue);
+MODULE_LICENSE("GPL");