Hi Xin,

[auto build test ERROR on net/master]

url:    https://github.com/0day-ci/linux/commits/Xin-Long/sock_diag-request-_diag-module-only-when-the-family-or-proto-has-been-registered/20171018-152434
config: x86_64-randconfig-a0-10181611 (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=x86_64 

All errors (new ones prefixed by >>):

   net/core/sock_diag.o: In function `sock_diag_request_module':
>> (.text+0x685): undefined reference to `inet_protos'

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0-DAY kernel test infrastructure                Open Source Technology Center
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