netdev - Re: [net:master 21/30] net/netfilter/xt_socket.c:224:3: error: implicit declaration of function 'nf_defrag_ipv6

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Message-ID: <CA+G9fYt07Kd2u88a_vOZ1fjE3QcTizFX3bBMSSDQJTPXMWea3A@mail.gmail.com>
Date:   Tue, 15 Feb 2022 00:25:51 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Eric Dumazet <edumazet@...gle.com>
Cc:     kernel test robot <lkp@...el.com>, llvm@...ts.linux.dev,
        kbuild-all@...ts.01.org, netdev <netdev@...r.kernel.org>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        Florian Westphal <fw@...len.de>
Subject: Re: [net:master 21/30] net/netfilter/xt_socket.c:224:3: error:
 implicit declaration of function 'nf_defrag_ipv6_disable'

On Sat, 12 Feb 2022 at 08:14, Eric Dumazet <edumazet@...gle.com> wrote:
>
> On Fri, Feb 11, 2022 at 1:55 PM kernel test robot <lkp@...el.com> wrote:
> >
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git master
> > head:   85d24ad38bc4658ce9a16b85b9c8dc0577d66c71
> > commit: 75063c9294fb239bbe64eb72141b6871fe526d29 [21/30] netfilter: xt_socket: fix a typo in socket_mt_destroy()
> > config: hexagon-randconfig-r045-20220211 (https://download.01.org/0day-ci/archive/20220212/202202120509.FMR7TEL1-lkp@intel.com/config)
> > compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project f6685f774697c85d6a352dcea013f46a99f9fe31)
> > reproduce (this is a W=1 build):
> >         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> >         chmod +x ~/bin/make.cross
> >         # https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=75063c9294fb239bbe64eb72141b6871fe526d29
> >         git remote add net https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git
> >         git fetch --no-tags net master
> >         git checkout 75063c9294fb239bbe64eb72141b6871fe526d29
> >         # save the config file to linux build tree
> >         mkdir build_dir
> >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash net/netfilter/
> >
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <lkp@...el.com>
> >
> > All errors (new ones prefixed by >>):
> >
> > >> net/netfilter/xt_socket.c:224:3: error: implicit declaration of function 'nf_defrag_ipv6_disable' [-Werror,-Wimplicit-function-declaration]
> >                    nf_defrag_ipv6_disable(par->net);
> >                    ^
> >    net/netfilter/xt_socket.c:224:3: note: did you mean 'nf_defrag_ipv4_disable'?
> >    include/net/netfilter/ipv4/nf_defrag_ipv4.h:7:6: note: 'nf_defrag_ipv4_disable' declared here
> >    void nf_defrag_ipv4_disable(struct net *net);
> >         ^
> >    1 error generated.
> >
>
> I guess something like this is needed ?

The reported build error was fixed by this patch.

>
> diff --git a/net/netfilter/xt_socket.c b/net/netfilter/xt_socket.c
> index 662e5eb1cc39e544191b3aab388c3762674d9251..7013f55f05d1ebca3b13d29934d8f6abc1ef36f0
> 100644
> --- a/net/netfilter/xt_socket.c
> +++ b/net/netfilter/xt_socket.c
> @@ -220,8 +220,10 @@ static void socket_mt_destroy(const struct
> xt_mtdtor_param *par)
>  {
>         if (par->family == NFPROTO_IPV4)
>                 nf_defrag_ipv4_disable(par->net);
> +#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
>         else if (par->family == NFPROTO_IPV6)
>                 nf_defrag_ipv6_disable(par->net);
> +#endif
>  }
>
>  static struct xt_match socket_mt_reg[] __read_mostly = {

Tested-by: Linux Kernel Functional Testing <lkft@...aro.org>

--
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