linux-kernel - Re: [PATCH net-next] netfilter: nf_conntrack

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Date:   Fri, 31 May 2019 10:02:57 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     Yuehaibing <yuehaibing@...wei.com>
Cc:     kadlec@...ckhole.kfki.hu, fw@...len.de,
        linux-kernel@...r.kernel.org, coreteam@...filter.org,
        netfilter-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH net-next] netfilter: nf_conntrack_bridge: Fix build error
 without IPV6

On Fri, May 31, 2019 at 11:06:49AM +0800, Yuehaibing wrote:
> +cc netdev
> 
> On 2019/5/31 10:46, YueHaibing wrote:
> > Fix gcc build error while CONFIG_IPV6 is not set
> > 
> > In file included from net/netfilter/core.c:19:0:
> > ./include/linux/netfilter_ipv6.h: In function 'nf_ipv6_br_defrag':
> > ./include/linux/netfilter_ipv6.h:110:9: error: implicit declaration of function 'nf_ct_frag6_gather' [-Werror=implicit-function-declaration]
> > 
> > Reported-by: Hulk Robot <hulkci@...wei.com>
> > Fixes: 764dd163ac92 ("netfilter: nf_conntrack_bridge: add support for IPv6")
> > Signed-off-by: YueHaibing <yuehaibing@...wei.com>
> > ---
> >  include/linux/netfilter_ipv6.h | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h
> > index a21b8c9..4ea97fd 100644
> > --- a/include/linux/netfilter_ipv6.h
> > +++ b/include/linux/netfilter_ipv6.h
> > @@ -96,6 +96,8 @@ static inline int nf_ip6_route(struct net *net, struct dst_entry **dst,
> >  #endif
> >  }
> >  
> > +int nf_ct_frag6_gather(struct net *net, struct sk_buff *skb, u32 user);
> > +

This is already defined in:

include/net/netfilter/ipv6/nf_defrag_ipv6.h

Probably this?

View attachment "x.patch" of type "text/x-diff" (442 bytes)