diff options
| -rw-r--r-- | drivers/net/caif/caif_virtio.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/caif/caif_virtio.c b/drivers/net/caif/caif_virtio.c index fb80765e258..316b184ea13 100644 --- a/drivers/net/caif/caif_virtio.c +++ b/drivers/net/caif/caif_virtio.c @@ -670,6 +670,10 @@ static int cfv_probe(struct virtio_device *vdev) spin_lock_init(&cfv->tx_lock); /* Get the RX virtio ring. This is a "host side vring". */ + err = -ENODEV; + if (!vdev->vringh_config || !vdev->vringh_config->find_vrhs) + goto err; + err = vdev->vringh_config->find_vrhs(vdev, 1, &cfv->vr_rx, &vrh_cbs); if (err) goto err; |