在 2021/3/16 上午12:34, Stefano Garzarella 写道:
Let's use the new 'get_config_size()' callback available instead of
using the 'virtio_id' to get the size of the device config space.
Signed-off-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
---
drivers/vhost/vdpa.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index e0a27e336293..7ae4080e57d8 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -188,13 +188,8 @@ static long vhost_vdpa_set_status(struct vhost_vdpa *v, u8 __user *statusp)
static int vhost_vdpa_config_validate(struct vhost_vdpa *v,
struct vhost_vdpa_config *c)
{
- long size = 0;
-
- switch (v->virtio_id) {
- case VIRTIO_ID_NET:
- size = sizeof(struct virtio_net_config);
- break;
- }
+ struct vdpa_device *vdpa = v->vdpa;
+ long size = vdpa->config->get_config_size(vdpa);
if (c->len == 0)
return -EINVAL;
