On Thu, Sep 11, 2014 at 07:41:33AM -0700, Jim Davis wrote:
> Building with the attached random configuration file,
> 
> net/ipv6/netfilter/nf_nat_masquerade_ipv6.c: In function
> ‘nf_nat_masquerade_ipv6’:
> net/ipv6/netfilter/nf_nat_masquerade_ipv6.c:41:14: error: ‘struct
> nf_conn_nat’ has no member named ‘masq_index’
>   nfct_nat(ct)->masq_index = out->ifindex;
>               ^
> net/ipv6/netfilter/nf_nat_masquerade_ipv6.c: In function ‘device_cmp’:
> net/ipv6/netfilter/nf_nat_masquerade_ipv6.c:61:12: error: ‘const
> struct nf_conn_nat’ has no member named ‘masq_index’
>   return nat->masq_index == (int)(long)ifindex;
>             ^
> net/ipv6/netfilter/nf_nat_masquerade_ipv6.c:62:1: warning: control
> reaches end of non-void function [-Wreturn-type]
>  }
>  ^
> make[3]: *** [net/ipv6/netfilter/nf_nat_masquerade_ipv6.o] Error 1

Patch attached, thanks for reporting.