tree:   https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git 
for-net-next3
head:   dfbb1c16489ca1b93e3f8aebc74d9229f1d87cc6
commit: 63cfa51ca37a4b4fb6b3d994c9c775920457252e [38/40] netfilter: remove 
reroute indirection in struct nf_afinfo
config: x86_64-randconfig-s2-12200210 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
        git checkout 63cfa51ca37a4b4fb6b3d994c9c775920457252e
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   net/netfilter/utils.o: In function `nf_checksum':
   net/netfilter/utils.c:18: undefined reference to `nf_ip6_checksum'
   net/netfilter/utils.o: In function `nf_checksum_partial':
   net/netfilter/utils.c:38: undefined reference to `nf_ip6_checksum_partial'
   net/netfilter/utils.o: In function `nf_reroute':
>> net/netfilter/utils.c:56: undefined reference to `nf_ip6_reroute'
   net/netfilter/utils.o: In function `nf_saveroute':
   net/netfilter/utils.c:70: undefined reference to `nf_ip6_saveroute'

vim +56 net/netfilter/utils.c

     6  
     7  __sum16 nf_checksum(struct sk_buff *skb, unsigned int hook,
     8                      unsigned int dataoff, u_int8_t protocol,
     9                      unsigned short family)
    10  {
    11          __sum16 csum = 0;
    12  
    13          switch (family) {
    14          case AF_INET:
    15                  csum = nf_ip_checksum(skb, hook, dataoff, protocol);
    16                  break;
    17          case AF_INET6:
  > 18                  csum = nf_ip6_checksum(skb, hook, dataoff, protocol);
    19                  break;
    20          }
    21  
    22          return csum;
    23  }
    24  EXPORT_SYMBOL_GPL(nf_checksum);
    25  
    26  __sum16 nf_checksum_partial(struct sk_buff *skb, unsigned int hook,
    27                              unsigned int dataoff, unsigned int len,
    28                              u_int8_t protocol, unsigned short family)
    29  {
    30          __sum16 csum = 0;
    31  
    32          switch (family) {
    33          case AF_INET:
    34                  csum = nf_ip_checksum_partial(skb, hook, dataoff, len,
    35                                                protocol);
    36                  break;
    37          case AF_INET6:
    38                  csum = nf_ip6_checksum_partial(skb, hook, dataoff, len,
    39                                                 protocol);
    40                  break;
    41          }
    42  
    43          return csum;
    44  }
    45  EXPORT_SYMBOL_GPL(nf_checksum_partial);
    46  
    47  int nf_reroute(struct sk_buff *skb, struct nf_queue_entry *entry)
    48  {
    49          int ret = 0;
    50  
    51          switch (entry->state.pf) {
    52          case AF_INET:
    53                  ret = nf_ip_reroute(skb, entry);
    54                  break;
    55          case AF_INET6:
  > 56                  ret = nf_ip6_reroute(skb, entry);
    57                  break;
    58          }
    59  
    60          return ret;
    61  }
    62  

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

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