static int mlx5v_probe()

in mlx5/net/mlx5_vnet.c [2697:2731]

• 28 lines of code
• 3 McCabe index (conditional complexity)

static int mlx5v_probe(struct auxiliary_device *adev,
		       const struct auxiliary_device_id *id)

{
	struct mlx5_adev *madev = container_of(adev, struct mlx5_adev, adev);
	struct mlx5_core_dev *mdev = madev->mdev;
	struct mlx5_vdpa_mgmtdev *mgtdev;
	int err;

	mgtdev = kzalloc(sizeof(*mgtdev), GFP_KERNEL);
	if (!mgtdev)
		return -ENOMEM;

	mgtdev->mgtdev.ops = &mdev_ops;
	mgtdev->mgtdev.device = mdev->device;
	mgtdev->mgtdev.id_table = id_table;
	mgtdev->mgtdev.config_attr_mask = BIT_ULL(VDPA_ATTR_DEV_NET_CFG_MACADDR) |
					  BIT_ULL(VDPA_ATTR_DEV_NET_CFG_MAX_VQP);
	mgtdev->mgtdev.max_supported_vqs =
		MLX5_CAP_DEV_VDPA_EMULATION(mdev, max_num_virtio_queues) + 1;
	mgtdev->mgtdev.supported_features = get_supported_features(mdev);
	mgtdev->madev = madev;

	err = vdpa_mgmtdev_register(&mgtdev->mgtdev);
	if (err)
		goto reg_err;

	auxiliary_set_drvdata(adev, mgtdev);

	return 0;

reg_err:
	kfree(mgtdev);
	return err;
}