On Mon, 27 Nov 2023 14:43:11 +0100 Daniel Borkmann wrote:
> + if (data[IFLA_NETKIT_PEER_INFO]) {
> + NL_SET_ERR_MSG_ATTR(extack, data[IFLA_NETKIT_PEER_INFO],
> + "netkit peer info cannot be changed after device creation");
> + return -EACCES;
> + }
Why EACCES? It doesn't have much to do with permissions and all netlink
validation errors use EINVAL. IMO this is a basic case of "attribute
not defined in the policy", NLA_REJECT, so EINVAL..
