diff options
Diffstat (limited to 'drivers/virtio')
| -rw-r--r-- | drivers/virtio/virtio_mmio.c | 3 | ||||
| -rw-r--r-- | drivers/virtio/virtio_pci.c | 5 |
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index 008bf58bdaae..5d7fee385b70 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -306,6 +306,9 @@ static struct virtqueue *vm_setup_vq(struct virtio_device *vdev, unsigned index, unsigned long flags, size; int err; + if (!name) + return NULL; + /* Select the queue we're interested in */ writel(index, vm_dev->base + VIRTIO_MMIO_QUEUE_SEL); diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index f5dfe6bdb959..42b20769d122 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -555,7 +555,10 @@ static int vp_try_to_find_vqs(struct virtio_device *vdev, unsigned nvqs, vp_dev->per_vq_vectors = per_vq_vectors; allocated_vectors = vp_dev->msix_used_vectors; for (i = 0; i < nvqs; ++i) { - if (!callbacks[i] || !vp_dev->msix_enabled) + if (!names[i]) { + vqs[i] = NULL; + continue; + } else if (!callbacks[i] || !vp_dev->msix_enabled) msix_vec = VIRTIO_MSI_NO_VECTOR; else if (vp_dev->per_vq_vectors) msix_vec = allocated_vectors++; |