Hi "Enrico,

I love your patch! Yet something to improve:

[auto build test ERROR on net/master]
[also build test ERROR on net-next/master v5.5-rc4 next-20191220]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Enrico-Weigelt-metux-IT-consult/net-8021q-remove-unneeded-MODULE_VERSION-usage/20200105-075730
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git b54ef37b1ce892fdf6b632d566246d2f2f539910
config: alpha-defconfig (attached as .config)
compiler: alpha-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=alpha 

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

All errors (new ones prefixed by >>):

>> ERROR: "vlan_fullname" [net/8021q/8021q.ko] undefined!
>> ERROR: "vlan_version" [net/8021q/8021q.ko] undefined!

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0-DAY kernel test infrastructure                 Open Source Technology Center
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