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[Qemu-devel] [PATCH 2/5] virtio-net: remove layout assumptions
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PATCH 2/5] virtio-net: remove layout assumptions |
Date: |
Thu, 18 Mar 2010 09:21:38 +0200 |
User-agent: |
Mutt/1.5.19 (2009-01-05) |
Use container_of so we do not depend on vdev being first member.
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
hw/virtio-net.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/virtio-net.c b/hw/virtio-net.c
index 5edb354..ae7751c 100644
--- a/hw/virtio-net.c
+++ b/hw/virtio-net.c
@@ -64,7 +64,7 @@ typedef struct VirtIONet
static VirtIONet *to_virtio_net(VirtIODevice *vdev)
{
- return (VirtIONet *)vdev;
+ return container_of(vdev, VirtIONet, vdev);
}
static void virtio_net_get_config(VirtIODevice *vdev, uint8_t *config)
@@ -874,7 +874,7 @@ VirtIODevice *virtio_net_init(DeviceState *dev, NICConf
*conf)
void virtio_net_exit(VirtIODevice *vdev)
{
- VirtIONet *n = DO_UPCAST(VirtIONet, vdev, vdev);
+ VirtIONet *n = to_virtio_net(vdev);
qemu_purge_queued_packets(&n->nic->nc);
--
1.7.0.2.280.gc6f05
- [Qemu-devel] [PATCH 0/5] virtio: cleanup layout assumptions, Michael S. Tsirkin, 2010/03/18
- [Qemu-devel] [PATCH 1/5] virtio: add type safe API, Michael S. Tsirkin, 2010/03/18
- [Qemu-devel] [PATCH 2/5] virtio-net: remove layout assumptions,
Michael S. Tsirkin <=
- [Qemu-devel] [PATCH 3/5] virtio-serial: remove struct layout assumptions, Michael S. Tsirkin, 2010/03/18
- [Qemu-devel] [PATCH 4/5] virtio-balloon: remove layout assumptions, Michael S. Tsirkin, 2010/03/18
- [Qemu-devel] [PATCH 5/5] virtio-blk: remove layout assumption, Michael S. Tsirkin, 2010/03/18
- [Qemu-devel] Re: [PATCH 0/5] virtio: cleanup layout assumptions, Juan Quintela, 2010/03/18