[V3,1/4] vdpa_sim: switch to use __vdpa_alloc_device()
Commit Message
This allows us to control the allocation size of the structure.
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Acked-by: Eugenio PĂ©rez <eperezma@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
drivers/vdpa/vdpa_sim/vdpa_sim.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
@@ -249,6 +249,7 @@ struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *dev_attr,
const struct vdpa_dev_set_config *config)
{
const struct vdpa_config_ops *ops;
+ struct vdpa_device *vdpa;
struct vdpasim *vdpasim;
struct device *dev;
int i, ret = -ENOMEM;
@@ -266,14 +267,16 @@ struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *dev_attr,
else
ops = &vdpasim_config_ops;
- vdpasim = vdpa_alloc_device(struct vdpasim, vdpa, NULL, ops,
- dev_attr->ngroups, dev_attr->nas,
- dev_attr->name, false);
- if (IS_ERR(vdpasim)) {
- ret = PTR_ERR(vdpasim);
+ vdpa = __vdpa_alloc_device(NULL, ops,
+ dev_attr->ngroups, dev_attr->nas,
+ sizeof(struct vdpasim),
+ dev_attr->name, false);
+ if (IS_ERR(vdpa)) {
+ ret = PTR_ERR(vdpa);
goto err_alloc;
}
+ vdpasim = vdpa_to_sim(vdpa);
vdpasim->dev_attr = *dev_attr;
INIT_WORK(&vdpasim->work, dev_attr->work_fn);
spin_lock_init(&vdpasim->lock);