--- net/tsn/tsn_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux-4.9.20-rt16/net/tsn/tsn_core.c =================================================================== @ linux-4.9.20-rt16/net/tsn/tsn_core.c:967 @ void tsn_readd_link(struct tsn_link *lin static int _tsn_capable_nic(struct net_device *netdev, struct tsn_nic *nic) { - return -EINVAL; + /* return -EINVAL; */ if (!nic || !netdev || !netdev->netdev_ops || !netdev->netdev_ops->ndo_tsn_capable) return -EINVAL;