Re: [PATCH nf-next] netfilter: nf_dup{4,6}: fix build error when nf_conntrack disabled

[David Miller <davem@xxxxxxxxxxxxx>]

From: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Date: Wed,  2 Sep 2015 20:54:02 +0200

> While testing various Kconfig options on another issue, I found that
> the following one triggers as well on allmodconfig and nf_conntrack
> disabled:
> 
>   net/ipv4/netfilter/nf_dup_ipv4.c: In function ʽnf_dup_ipv4ʼ:
>   net/ipv4/netfilter/nf_dup_ipv4.c:72:20: error: ʽnf_skb_duplicatedʼ undeclared (first use in this function)
>     if (this_cpu_read(nf_skb_duplicated))
>   [...]
>   net/ipv6/netfilter/nf_dup_ipv6.c: In function ʽnf_dup_ipv6ʼ:
>   net/ipv6/netfilter/nf_dup_ipv6.c:66:20: error: ʽnf_skb_duplicatedʼ undeclared (first use in this function)
>     if (this_cpu_read(nf_skb_duplicated))
> 
> Fix it by including directly the header where it is defined.
> 
> Fixes: bbde9fc1824a ("netfilter: factor out packet duplication for IPv4/IPv6")
> Signed-off-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx>

I'll take this directly to simplify things.

Thanks Daniel.
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