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Date:   Thu, 10 Nov 2016 20:32:36 +0800
From:   kbuild test robot <lkp@...el.com>
To:     David Lebrun <david.lebrun@...ouvain.be>
Cc:     kbuild-all@...org, netdev@...r.kernel.org, lorenzo@...gle.com,
        davem@...emloft.net, David Lebrun <david.lebrun@...ouvain.be>
Subject: Re: [PATCH net-next] ipv6: sr: fix IPv6 initialization failure
 without lwtunnels

Hi David,

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

url:    https://github.com/0day-ci/linux/commits/David-Lebrun/ipv6-sr-fix-IPv6-initialization-failure-without-lwtunnels/20161110-175753
config: i386-randconfig-s0-201645 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   In file included from net/ipv6/seg6_iptunnel.c:24:0:
   include/net/seg6.h: In function 'seg6_pernet':
>> include/net/seg6.h:52:12: error: 'struct net' has no member named 'ipv6'; did you mean 'ipv4'?
     return net->ipv6.seg6_data;
               ^~
   include/net/seg6.h:53:1: warning: control reaches end of non-void function [-Wreturn-type]
    }
    ^

vim +52 include/net/seg6.h

1ababeba David Lebrun 2016-11-08  36  		to[0], to[1], to[2], to[3],
1ababeba David Lebrun 2016-11-08  37  	};
1ababeba David Lebrun 2016-11-08  38  
1ababeba David Lebrun 2016-11-08  39  	skb->csum = ~csum_partial((char *)diff, sizeof(diff), ~skb->csum);
1ababeba David Lebrun 2016-11-08  40  }
1ababeba David Lebrun 2016-11-08  41  
915d7e5e David Lebrun 2016-11-08  42  struct seg6_pernet_data {
915d7e5e David Lebrun 2016-11-08  43  	struct mutex lock;
915d7e5e David Lebrun 2016-11-08  44  	struct in6_addr __rcu *tun_src;
bf355b8d David Lebrun 2016-11-08  45  #ifdef CONFIG_IPV6_SEG6_HMAC
bf355b8d David Lebrun 2016-11-08  46  	struct rhashtable hmac_infos;
bf355b8d David Lebrun 2016-11-08  47  #endif
915d7e5e David Lebrun 2016-11-08  48  };
915d7e5e David Lebrun 2016-11-08  49  
915d7e5e David Lebrun 2016-11-08  50  static inline struct seg6_pernet_data *seg6_pernet(struct net *net)
915d7e5e David Lebrun 2016-11-08  51  {
915d7e5e David Lebrun 2016-11-08 @52  	return net->ipv6.seg6_data;
915d7e5e David Lebrun 2016-11-08  53  }
915d7e5e David Lebrun 2016-11-08  54  
915d7e5e David Lebrun 2016-11-08  55  extern int seg6_init(void);
915d7e5e David Lebrun 2016-11-08  56  extern void seg6_exit(void);
6c8702c6 David Lebrun 2016-11-08  57  extern int seg6_iptunnel_init(void);
6c8702c6 David Lebrun 2016-11-08  58  extern void seg6_iptunnel_exit(void);
6c8702c6 David Lebrun 2016-11-08  59  
6c8702c6 David Lebrun 2016-11-08  60  extern bool seg6_validate_srh(struct ipv6_sr_hdr *srh, int len);

:::::: The code at line 52 was first introduced by commit
:::::: 915d7e5e5930b4f01d0971d93b9b25ed17d221aa ipv6: sr: add code base for control plane support of SR-IPv6

:::::: TO: David Lebrun <david.lebrun@...ouvain.be>
:::::: CC: David S. Miller <davem@...emloft.net>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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