netfilter: nf_tables: Stack expression type depending on their family
To ensure family tight expression gets selected in priority to family agnostic ones. Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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@ -1093,7 +1093,10 @@ static void nft_ctx_init(struct nft_ctx *ctx,
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int nft_register_expr(struct nft_expr_type *type)
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{
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nfnl_lock(NFNL_SUBSYS_NFTABLES);
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list_add_tail(&type->list, &nf_tables_expressions);
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if (type->family == NFPROTO_UNSPEC)
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list_add_tail(&type->list, &nf_tables_expressions);
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else
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list_add(&type->list, &nf_tables_expressions);
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nfnl_unlock(NFNL_SUBSYS_NFTABLES);
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return 0;
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}
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