Hi Subash,

[auto build test ERROR on v4.9-rc8]
[cannot apply to net-next/master net/master next-20170309]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Subash-Abhinov-Kasiviswanathan/net-Add-sysctl-to-toggle-early-demux-for-tcp-and-udp/20170310-184912
config: blackfin-BF561-EZKIT-SMP_defconfig (attached as .config)
compiler: bfin-uclinux-gcc (GCC) 6.2.0
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=blackfin 

All errors (new ones prefixed by >>):

   net/built-in.o: In function `proc_tcp_early_demux':
>> net/ipv4/sysctl_net_ipv4.c:267: undefined reference to `tcp_v6_early_demux_configure'

vim +267 net/ipv4/sysctl_net_ipv4.c

   261		ret = proc_dointvec(table, write, buffer, lenp, ppos);
   262	
   263		if (write && !ret) {
   264			int enabled = init_net.ipv4.sysctl_tcp_early_demux;
   265	
   266			tcp_v4_early_demux_configure(enabled);
 > 267			tcp_v6_early_demux_configure(enabled);
   268		}
   269	
   270		return ret;

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0-DAY kernel test infrastructure                Open Source Technology Center
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