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From: Rusty Russell <rusty@rustcorp•com.au>
To: netdev <netdev@vger•kernel.org>
Cc: Amit Shah <amit.shah@redhat•com>,
	"Michael S. Tsirkin" <mst@redhat•com>,
	Virtualization List <virtualization@lists•linux-foundation.org>
Subject: [PATCH 2/2] virtio: net: Move vq and vq buf removal into separate function
Date: Wed, 04 Jan 2012 13:28:49 +1030	[thread overview]
Message-ID: <87lipocgwm.fsf@rustcorp.com.au> (raw)
In-Reply-To: <87obukcgzi.fsf@rustcorp.com.au>

From: Amit Shah <amit.shah@redhat•com>

The remove and PM freeze functions will share this code.

Signed-off-by: Amit Shah <amit.shah@redhat•com>
Signed-off-by: Rusty Russell <rusty@rustcorp•com.au>
---
 drivers/net/virtio_net.c |   20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index ec8c400..7a2a5bf 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1134,22 +1134,26 @@ 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);
-
-	unregister_netdev(vi->dev);
+	vi->vdev->config->reset(vi->vdev);
 
 	/* 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);

  reply	other threads:[~2012-01-04  2:58 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-04  2:57 [PATCH 1/2] virtio: net: Move vq initialization into separate function Rusty Russell
2012-01-04  2:58 ` Rusty Russell [this message]
2012-01-04  3:00 ` [PATCH] (please ack, don't apply!) virtio: net: Add freeze, restore handlers to support S4 Rusty Russell

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