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OpenCloudOS-Kernel
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vdpa_sim: switch to use __vdpa_alloc_device() 

This allows us to control the allocation size of the structure.

Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Acked-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20221223055548.27810-2-jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Jason Wang 2022-12-23 13:55:45 +08:00 committed by Michael S. Tsirkin
parent 2f8200efe7
commit 0497f23e73
1 changed files with 8 additions and 5 deletions
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13
drivers/vdpa/vdpa_sim/vdpa_sim.c
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@ -251,6 +251,7 @@ 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;
@ -268,14 +269,16 @@ 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);