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vhost/vdpa: use get_config_size callback in vhost_vdpa_config_validate()

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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@redhat.com>
Link: https://lore.kernel.org/r/20210315163450.254396-10-sgarzare@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Stefano Garzarella 2021-03-15 17:34:45 +01:00 committed by Michael S. Tsirkin
parent 442706f9f9
commit d6d8bb92fd
1 changed files with 2 additions and 7 deletions
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9
drivers/vhost/vdpa.c
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@ -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;