diff options
| -rw-r--r-- | drivers/net/virtio_net.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index e66de0c..fdc2367 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -302,10 +302,12 @@ static int virtnet_open(struct net_device *dev) /* If all buffers were filled by other side before we napi_enabled, we * won't get another interrupt, so process any outstanding packets - * now. virtnet_poll wants re-enable the queue, so we disable here. */ - vi->rvq->vq_ops->disable_cb(vi->rvq); - netif_rx_schedule(vi->dev, &vi->napi); - + * now. virtnet_poll wants re-enable the queue, so we disable here. + * We synchronize against interrupts via NAPI_STATE_SCHED */ + if (netif_rx_schedule_prep(dev, &vi->napi)) { + vi->rvq->vq_ops->disable_cb(vi->rvq); + __netif_rx_schedule(dev, &vi->napi); + } return 0; } |
