Hi Pablo,

I love your patch! Yet something to improve:

[auto build test ERROR on nf-next/master]

url:    https://github.com/0day-ci/linux/commits/Pablo-Neira-Ayuso/Add-nf_tables-ingress-hook-for-the-inet-family/20201008-071530
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git master
config: arm-randconfig-r033-20201008 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 8da0df3d6dcc0dd42740be60b0da4ec201190904)
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
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/0day-ci/linux/commit/4a788f545ac2e08b0c08658e156da55e2fce5ae6
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Pablo-Neira-Ayuso/Add-nf_tables-ingress-hook-for-the-inet-family/20201008-071530
        git checkout 4a788f545ac2e08b0c08658e156da55e2fce5ae6
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> net/netfilter/core.c:292:16: error: no member named 'nf_hooks_ingress' in 'struct net_device'
                   return &dev->nf_hooks_ingress;
                           ~~~  ^
   1 error generated.

vim +292 net/netfilter/core.c

   265	
   266	static struct nf_hook_entries __rcu **
   267	nf_hook_entry_head(struct net *net, int pf, unsigned int hooknum,
   268			   struct net_device *dev)
   269	{
   270		switch (pf) {
   271		case NFPROTO_NETDEV:
   272			break;
   273	#ifdef CONFIG_NETFILTER_FAMILY_ARP
   274		case NFPROTO_ARP:
   275			if (WARN_ON_ONCE(ARRAY_SIZE(net->nf.hooks_arp) <= hooknum))
   276				return NULL;
   277			return net->nf.hooks_arp + hooknum;
   278	#endif
   279	#ifdef CONFIG_NETFILTER_FAMILY_BRIDGE
   280		case NFPROTO_BRIDGE:
   281			if (WARN_ON_ONCE(ARRAY_SIZE(net->nf.hooks_bridge) <= hooknum))
   282				return NULL;
   283			return net->nf.hooks_bridge + hooknum;
   284	#endif
   285		case NFPROTO_INET:
   286			if (WARN_ON_ONCE(hooknum != NF_INET_INGRESS))
   287				return NULL;
   288			if (!dev || dev_net(dev) != net) {
   289				WARN_ON_ONCE(1);
   290				return NULL;
   291			}
 > 292			return &dev->nf_hooks_ingress;
   293		case NFPROTO_IPV4:
   294			if (WARN_ON_ONCE(ARRAY_SIZE(net->nf.hooks_ipv4) <= hooknum))
   295				return NULL;
   296			return net->nf.hooks_ipv4 + hooknum;
   297		case NFPROTO_IPV6:
   298			if (WARN_ON_ONCE(ARRAY_SIZE(net->nf.hooks_ipv6) <= hooknum))
   299				return NULL;
   300			return net->nf.hooks_ipv6 + hooknum;
   301	#if IS_ENABLED(CONFIG_DECNET)
   302		case NFPROTO_DECNET:
   303			if (WARN_ON_ONCE(ARRAY_SIZE(net->nf.hooks_decnet) <= hooknum))
   304				return NULL;
   305			return net->nf.hooks_decnet + hooknum;
   306	#endif
   307		default:
   308			WARN_ON_ONCE(1);
   309			return NULL;
   310		}
   311	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org