On Wed, Feb 26, 2020 at 02:04:54PM +0800, Jason Wang wrote:
> +struct vdpa_device *vdpa_alloc_device(struct device *parent,
> + struct device *dma_dev,
> + const struct vdpa_config_ops *config)
> +{
> + struct vdpa_device *vdev;
> + int err = -ENOMEM;
> +
> + if (!parent || !dma_dev || !config)
> + goto err;
> +
> + vdev = kzalloc(sizeof(*vdev), GFP_KERNEL);
> + if (!vdev)
> + goto err;
> +
> + err = ida_simple_get(&vdpa_index_ida, 0, 0, GFP_KERNEL);
> + if (err < 0)
> + goto err_ida;
> +
> + vdev->dev.bus = &vdpa_bus;
> + vdev->dev.parent = parent;
> + vdev->dev.release = vdpa_release_dev;
> +
> + device_initialize(&vdev->dev);
> +
> + vdev->index = err;
> + vdev->dma_dev = dma_dev;
> + vdev->config = config;
> +
> + dev_set_name(&vdev->dev, "vdpa%u", vdev->index);
Probably shouldn't ignore the error for dev_set_name ?
err = dev_set_name()
if (err) {
put_device(&vdev->dev);
return ERR_PTR(err);
}
Jason
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