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Subject: Re: [PATCH net-next] netfilter: nf_conntrack_bridge: Fix build error
 without IPV6
To:     <pablo@netfilter.org>, <kadlec@blackhole.kfki.hu>, <fw@strlen.de>
References: <20190531024643.3840-1-yuehaibing@huawei.com>
CC:     <linux-kernel@vger.kernel.org>, <coreteam@netfilter.org>,
        <netfilter-devel@vger.kernel.org>, <netdev@vger.kernel.org>
From:   Yuehaibing <yuehaibing@huawei.com>
Message-ID: <19095cab-fbc5-f200-a40c-cb4c1a12fbc6@huawei.com>
Date:   Fri, 31 May 2019 11:06:49 +0800
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+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@huawei.com>
> Fixes: 764dd163ac92 ("netfilter: nf_conntrack_bridge: add support for IPv6")
> Signed-off-by: YueHaibing <yuehaibing@huawei.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);
> +
>  static inline int nf_ipv6_br_defrag(struct net *net, struct sk_buff *skb,
>  				    u32 user)
>  {
>