netdev - Re: [PATCH] netfilter: turn NF_HOOK into an inline function

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Message-ID: <201510092113.o4u2vjMD%fengguang.wu@intel.com>
Date:	Fri, 9 Oct 2015 21:03:57 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	kbuild-all@...org, Pablo Neira Ayuso <pablo@...filter.org>,
	Patrick McHardy <kaber@...sh.net>,
	Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
	netfilter-devel@...r.kernel.org, coreteam@...filter.org,
	linux-kernel@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH] netfilter: turn NF_HOOK into an inline function

Hi Arnd,

[auto build test ERROR on next-20151009 -- if it's inappropriate base, please ignore]

config: i386-randconfig-i0-201540 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   net/decnet/dn_route.c: In function 'dn_forward':
>> net/decnet/dn_route.c:823:32: error: 'dev' undeclared (first use in this function)
             &init_net, NULL, skb, dev, skb->dev,
                                   ^
   net/decnet/dn_route.c:823:32: note: each undeclared identifier is reported only once for each function it appears in

vim +/dev +823 net/decnet/dn_route.c

^1da177e Linus Torvalds    2005-04-16  807  	 */
^1da177e Linus Torvalds    2005-04-16  808  	if (++cb->hops > 30)
^1da177e Linus Torvalds    2005-04-16  809  		goto drop;
^1da177e Linus Torvalds    2005-04-16  810  
d8d1f30b Changli Gao       2010-06-10  811  	skb->dev = rt->dst.dev;
^1da177e Linus Torvalds    2005-04-16  812  
^1da177e Linus Torvalds    2005-04-16  813  	/*
^1da177e Linus Torvalds    2005-04-16  814  	 * If packet goes out same interface it came in on, then set
^1da177e Linus Torvalds    2005-04-16  815  	 * the Intra-Ethernet bit. This has no effect for short
^1da177e Linus Torvalds    2005-04-16  816  	 * packets, so we don't need to test for them here.
^1da177e Linus Torvalds    2005-04-16  817  	 */
^1da177e Linus Torvalds    2005-04-16  818  	cb->rt_flags &= ~DN_RT_F_IE;
^1da177e Linus Torvalds    2005-04-16  819  	if (rt->rt_flags & RTCF_DOREDIRECT)
^1da177e Linus Torvalds    2005-04-16  820  		cb->rt_flags |= DN_RT_F_IE;
^1da177e Linus Torvalds    2005-04-16  821  
29a26a56 Eric W. Biederman 2015-09-15  822  	return NF_HOOK(NFPROTO_DECNET, NF_DN_FORWARD,
29a26a56 Eric W. Biederman 2015-09-15 @823  		       &init_net, NULL, skb, dev, skb->dev,
8f40b161 David S. Miller   2011-07-17  824  		       dn_to_neigh_output);
^1da177e Linus Torvalds    2005-04-16  825  
^1da177e Linus Torvalds    2005-04-16  826  drop:
^1da177e Linus Torvalds    2005-04-16  827  	kfree_skb(skb);
^1da177e Linus Torvalds    2005-04-16  828  	return NET_RX_DROP;
^1da177e Linus Torvalds    2005-04-16  829  }
^1da177e Linus Torvalds    2005-04-16  830  
^1da177e Linus Torvalds    2005-04-16  831  /*

:::::: The code at line 823 was first introduced by commit
:::::: 29a26a56803855a79dbd028cd61abee56237d6e5 netfilter: Pass struct net into the netfilter hooks

:::::: TO: Eric W. Biederman <ebiederm@...ssion.com>
:::::: CC: David S. Miller <davem@...emloft.net>

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