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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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