int drm_agp_alloc_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->head->dev;
drm_agp_buffer_t request;
drm_agp_buffer_t __user *argp = (void __user *)arg;
int err;
if (copy_from_user(&request, argp, sizeof(request)))
return -EFAULT;
err = drm_agp_alloc(dev, &request);
if (err)
return err;
if (copy_to_user(argp, &request, sizeof(request))) {
drm_agp_mem_t *entry = dev->agp->memory;
dev->agp->memory = entry->next;
dev->agp->memory->prev = NULL;
drm_free_agp(entry->memory, entry->pages);
drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
return -EFAULT;
}
return 0;
}
int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_agp_buffer request;
int retcode;
request = *(struct drm_agp_buffer *) data;
retcode = drm_agp_alloc(dev, &request);
*(struct drm_agp_buffer *) data = request;
return retcode;
}
int drm_agp_alloc_ioctl(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_agp_buffer_t request;
int retcode;
request = *(drm_agp_buffer_t *) data;
DRM_LOCK();
retcode = drm_agp_alloc(dev, &request);
DRM_UNLOCK();
*(drm_agp_buffer_t *) data = request;
return retcode;
}
