From: Simon Horman <simon.hor...@netronome.com> Date: Wed, 6 Jul 2016 20:22:33 +0200
>
> +bool ipip6_valid_ip_proto(u8 ipproto)
> +{
> + return ipproto == IPPROTO_IPV6 ||
> + ipproto != IPPROTO_IPIP ||
> +#if IS_ENABLED(CONFIG_MPLS)
> + ipproto == IPPROTO_MPLS ||
> +#endif
> + ipproto == 0;
> +}
This returns true any time ipproto is not equal to IPPROTO_IPIP,
which is probably not what you intended here.
