Re: [PATCH v7 net-next 4/4] ipv6/udp: Add 4-tuple hash for connected socket

[kernel test robot <lkp@intel.com>]

Hi Philo,

kernel test robot noticed the following build errors:

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

url:    https://github.com/intel-lab-lkp/linux/commits/Philo-Lu/net-udp-Add-a-new-struct-for-hash2-slot/20241105-201454
base:   net-next/main
patch link:    https://lore.kernel.org/r/20241105121225.12513-5-lulie%40linux.alibaba.com
patch subject: [PATCH v7 net-next 4/4] ipv6/udp: Add 4-tuple hash for connected socket
config: arc-randconfig-002-20241106 (https://download.01.org/0day-ci/archive/20241106/202411061155.g9trZ6rZ-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241106/202411061155.g9trZ6rZ-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411061155.g9trZ6rZ-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "udp_lib_hash4" [net/ipv6/ipv6.ko] undefined!
>> ERROR: modpost: "udp_ehashfn" [net/ipv6/ipv6.ko] undefined!
>> ERROR: modpost: "udp4_hash4" [net/ipv6/ipv6.ko] undefined!

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki