diff options
Diffstat (limited to 'drivers/virtio')
-rw-r--r-- | drivers/virtio/virtio_pci.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 4bcc8b82640..79a31e5b4b6 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c | |||
@@ -415,9 +415,13 @@ static struct virtqueue *setup_vq(struct virtio_device *vdev, unsigned index, | |||
415 | } | 415 | } |
416 | } | 416 | } |
417 | 417 | ||
418 | spin_lock_irqsave(&vp_dev->lock, flags); | 418 | if (callback) { |
419 | list_add(&info->node, &vp_dev->virtqueues); | 419 | spin_lock_irqsave(&vp_dev->lock, flags); |
420 | spin_unlock_irqrestore(&vp_dev->lock, flags); | 420 | list_add(&info->node, &vp_dev->virtqueues); |
421 | spin_unlock_irqrestore(&vp_dev->lock, flags); | ||
422 | } else { | ||
423 | INIT_LIST_HEAD(&info->node); | ||
424 | } | ||
421 | 425 | ||
422 | return vq; | 426 | return vq; |
423 | 427 | ||