Matteo Croce <mcr...@redhat.com> writes:
> On Tue, 1 Oct 2019 11:24:43 +0200
> Lorenzo Bianconi <lore...@kernel.org> wrote:
>> +static int mvneta_xdp_setup(struct net_device *dev, struct bpf_prog
>> *prog,
>> + struct netlink_ext_ack *extack)
>> +{
>> + struct mvneta_port *pp = netdev_priv(dev);
>> + struct bpf_prog *old_prog;
>> +
>> + if (prog && dev->mtu > MVNETA_MAX_RX_BUF_SIZE) {
>> + NL_SET_ERR_MSG_MOD(extack, "Jumbo frames not
>> supported on XDP");
>> + return -EOPNOTSUPP;
>
> -ENOTSUPP maybe?
No, ENOTSUPP is NFS-specific, and defined in a non-UAPI header; the
correct one to use is EOPNOTSUPP :)
-Toke
