aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/lguest/lguest_device.c
diff options
context:
space:
mode:
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)
212 hcall(LHCALL_NOTIFY, lvq->config.pfn << PAGE_SHIFT, 0, 0); 212 hcall(LHCALL_NOTIFY, lvq->config.pfn << PAGE_SHIFT, 0, 0);
213} 213}
214 214
215/* An extern declaration inside a C file is bad form. Don't do it. */
216extern void lguest_setup_irq(unsigned int irq);
217
215/* This routine finds the first virtqueue described in the configuration of 218/* This routine finds the first virtqueue described in the configuration of
216 * this device and sets it up. 219 * this device and sets it up.
217 * 220 *
@@ -266,6 +269,9 @@ static struct virtqueue *lg_find_vq(struct virtio_device *vdev,
266 goto unmap; 269 goto unmap;
267 } 270 }
268 271
272 /* Make sure the interrupt is allocated. */
273 lguest_setup_irq(lvq->config.irq);
274
269 /* Tell the interrupt for this virtqueue to go to the virtio_ring 275 /* Tell the interrupt for this virtqueue to go to the virtio_ring
270 * interrupt handler. */ 276 * interrupt handler. */
271 /* FIXME: We used to have a flag for the Host to tell us we could use 277 /* FIXME: We used to have a flag for the Host to tell us we could use