Re: [PATCHv2 2.6.18-rc1-mm2 1/3] net: UDP-Lite generic support

From: Herbert Xu
Date: Sat Jul 15 2006 - 09:32:29 EST


Gerrit Renker <gerrit@xxxxxxxxxxxxxx> wrote:
>
> diff -Nurp a/net/core/sock.c b/net/core/sock.c
> --- a/net/core/sock.c 2006-07-06 09:08:24.000000000 +0100
> +++ b/net/core/sock.c 2006-07-14 10:17:50.000000000 +0100
> @@ -479,7 +479,12 @@ set_rcvbuf:
> break;
>
> case SO_NO_CHECK:
> - sk->sk_no_check = valbool;
> + /* UDP-Lite (RFC 3828) mandates checksumming,
> + * hence user must not enable this option. */
> + if (sk->sk_protocol == IPPROTO_UDPLITE)
> + ret = -EOPNOTSUPP;
> + else
> + sk->sk_no_check = valbool;

Please don't add protocol-specific stuff to generic functions. In this
case why don't you just ignore sk_no_check for UDPLITE as we do for TCP?

Cheers,
--
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Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
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