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netfilter: exthdr: split netlink dump function

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so eval and uncoming eval_set versions can reuse a common helper.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florian Westphal 2017-08-08 15:15:28 +02:00 committed by Pablo Neira Ayuso
parent a18177008b
commit 5e7d695a48
1 changed files with 11 additions and 5 deletions
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16
net/netfilter/nft_exthdr.c
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@ -180,12 +180,8 @@ static int nft_exthdr_init(const struct nft_ctx *ctx,
NFT_DATA_VALUE, priv->len);
}
static int nft_exthdr_dump(struct sk_buff *skb, const struct nft_expr *expr)
static int nft_exthdr_dump_common(struct sk_buff *skb, const struct nft_exthdr *priv)
{
const struct nft_exthdr *priv = nft_expr_priv(expr);
if (nft_dump_register(skb, NFTA_EXTHDR_DREG, priv->dreg))
goto nla_put_failure;
if (nla_put_u8(skb, NFTA_EXTHDR_TYPE, priv->type))
goto nla_put_failure;
if (nla_put_be32(skb, NFTA_EXTHDR_OFFSET, htonl(priv->offset)))
@ -202,6 +198,16 @@ nla_put_failure:
return -1;
}
static int nft_exthdr_dump(struct sk_buff *skb, const struct nft_expr *expr)
{
const struct nft_exthdr *priv = nft_expr_priv(expr);
if (nft_dump_register(skb, NFTA_EXTHDR_DREG, priv->dreg))
return -1;
return nft_exthdr_dump_common(skb, priv);
}
static struct nft_expr_type nft_exthdr_type;
static const struct nft_expr_ops nft_exthdr_ipv6_ops = {
.type = &nft_exthdr_type,