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path: root/drivers/lguest/lguest_device.c
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Diffstat (limited to 'drivers/lguest/lguest_device.c')
-rw-r--r--drivers/lguest/lguest_device.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c
index b4d44e571d76..8132533d71f9 100644
--- a/drivers/lguest/lguest_device.c
+++ b/drivers/lguest/lguest_device.c
@@ -212,6 +212,9 @@ static void lg_notify(struct virtqueue *vq)
hcall(LHCALL_NOTIFY, lvq->config.pfn << PAGE_SHIFT, 0, 0);
}
+/* An extern declaration inside a C file is bad form. Don't do it. */
+extern void lguest_setup_irq(unsigned int irq);
+
/* This routine finds the first virtqueue described in the configuration of
* this device and sets it up.
*
@@ -266,6 +269,9 @@ static struct virtqueue *lg_find_vq(struct virtio_device *vdev,
goto unmap;
}
+ /* Make sure the interrupt is allocated. */
+ lguest_setup_irq(lvq->config.irq);
+
/* Tell the interrupt for this virtqueue to go to the virtio_ring
* interrupt handler. */
/* FIXME: We used to have a flag for the Host to tell us we could use