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path: root/arch/um/drivers/virtio_uml.c
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Diffstat (limited to 'arch/um/drivers/virtio_uml.c')
-rw-r--r--arch/um/drivers/virtio_uml.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/um/drivers/virtio_uml.c b/arch/um/drivers/virtio_uml.c
index c602892f329f..0f9efee4c671 100644
--- a/arch/um/drivers/virtio_uml.c
+++ b/arch/um/drivers/virtio_uml.c
@@ -888,7 +888,7 @@ static int vu_setup_vq_call_fd(struct virtio_uml_device *vu_dev,
{
struct virtio_uml_vq_info *info = vq->priv;
int call_fds[2];
- int rc;
+ int rc, irq;
/* no call FD needed/desired in this case */
if (vu_dev->protocol_features &
@@ -905,19 +905,23 @@ static int vu_setup_vq_call_fd(struct virtio_uml_device *vu_dev,
return rc;
info->call_fd = call_fds[0];
- rc = um_request_irq(vu_dev->irq, info->call_fd, IRQ_READ,
- vu_interrupt, IRQF_SHARED, info->name, vq);
- if (rc < 0)
+ irq = um_request_irq(vu_dev->irq, info->call_fd, IRQ_READ,
+ vu_interrupt, IRQF_SHARED, info->name, vq);
+ if (irq < 0) {
+ rc = irq;
goto close_both;
+ }
rc = vhost_user_set_vring_call(vu_dev, vq->index, call_fds[1]);
if (rc)
goto release_irq;
+ vu_dev->irq = irq;
+
goto out;
release_irq:
- um_free_irq(vu_dev->irq, vq);
+ um_free_irq(irq, vq);
close_both:
os_close_file(call_fds[0]);
out:
@@ -1201,6 +1205,7 @@ static int virtio_uml_probe(struct platform_device *pdev)
vu_dev->vdev.id.vendor = VIRTIO_DEV_ANY_ID;
vu_dev->pdev = pdev;
vu_dev->req_fd = -1;
+ vu_dev->irq = UM_IRQ_ALLOC;
time_travel_propagate_time();