Re: [PATCH 4/4] evaluate: reject meta nfproto outside of inet family

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On Fri, Jun 16, 2017 at 10:34:11PM +0200, Florian Westphal wrote:
> diff --git a/src/evaluate.c b/src/evaluate.c
> index 311c86c5abe9..4cbbd5f9b52a 100644
> --- a/src/evaluate.c
> +++ b/src/evaluate.c
> @@ -1691,6 +1691,18 @@ static int expr_evaluate_fib(struct eval_ctx *ctx, struct expr **exprp)
>  	return expr_evaluate_primary(ctx, exprp);
>  }
>  
> +static int expr_evaluate_meta(struct eval_ctx *ctx, struct expr **exprp)
> +{
> +	struct expr *meta = *exprp;
> +
> +	if (ctx->pctx.family != NFPROTO_INET &&
> +	    meta->flags & EXPR_F_PROTOCOL &&
> +	    meta->meta.key == NFT_META_NFPROTO)
> +		return expr_error(ctx->msgs, meta,
> +					  "meta nfproto is only useful in the inet family");

Nitpick: Before you push this one, you probably want to mangle this
line to get it aligned with expr_error().

Thanks!
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