[congwang:net-next 1/1] ERROR: modpost: "dev_set_mac_address_user" undefined!

[congwang:net-next 1/1] ERROR: modpost: "dev_set_mac_address_user" undefined!

[kernel test robot]

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tree:   https://github.com/congwang/linux.git net-next
head:   2e3341805abea4e6a7227724beff3e54483d392d
commit: 2e3341805abea4e6a7227724beff3e54483d392d [1/1] net: fix dev_ifsioc_locked() race condition
config: arc-randconfig-r015-20210202 (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/congwang/linux/commit/2e3341805abea4e6a7227724beff3e54483d392d
        git remote add congwang https://github.com/congwang/linux.git
        git fetch --no-tags congwang net-next
        git checkout 2e3341805abea4e6a7227724beff3e54483d392d
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

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

>> ERROR: modpost: "dev_set_mac_address_user" [drivers/net/tap.ko] undefined!
>> ERROR: modpost: "dev_set_mac_address_user" [drivers/net/tun.ko] undefined!

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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