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    Subject[PATCH v4 08/12] virtio: net: Move out vq and vq buf removal into separate function
    Date
    The remove and PM freeze functions will share this code.

    Signed-off-by: Amit Shah <amit.shah@redhat.com>
    ---
    drivers/net/virtio_net.c | 19 ++++++++++++-------
    1 files changed, 12 insertions(+), 7 deletions(-)

    diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
    index 6baa563..697a0fc 100644
    --- a/drivers/net/virtio_net.c
    +++ b/drivers/net/virtio_net.c
    @@ -1123,24 +1123,29 @@ static void free_unused_bufs(struct virtnet_info *vi)
    BUG_ON(vi->num != 0);
    }

    -static void __devexit virtnet_remove(struct virtio_device *vdev)
    +static void remove_vq_common(struct virtnet_info *vi)
    {
    - struct virtnet_info *vi = vdev->priv;
    -
    /* Stop all the virtqueues. */
    - vdev->config->reset(vdev);
    -
    + vi->vdev->config->reset(vi->vdev);

    - unregister_netdev(vi->dev);
    cancel_delayed_work_sync(&vi->refill);

    /* Free unused buffers in both send and recv, if any. */
    free_unused_bufs(vi);

    - vdev->config->del_vqs(vi->vdev);
    + vi->vdev->config->del_vqs(vi->vdev);

    while (vi->pages)
    __free_pages(get_a_page(vi, GFP_KERNEL), 0);
    +}
    +
    +static void __devexit virtnet_remove(struct virtio_device *vdev)
    +{
    + struct virtnet_info *vi = vdev->priv;
    +
    + unregister_netdev(vi->dev);
    +
    + remove_vq_common(vi);

    free_percpu(vi->stats);
    free_netdev(vi->dev);
    --
    1.7.7.3


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