Hi Henrik,

Thank you for the patch! Yet something to improve:

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

url:    https://github.com/0day-ci/linux/commits/Henrik-Bjoernlund/net-bridge-cfm-Add-support-for-Connectivity-Fault-Management-CFM/20201001-184031
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git f2e834694b0d92187d889172da842e27829df371
config: arm-bcm2835_defconfig (attached as .config)
compiler: arm-linux-gnueabi-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/0day-ci/linux/commit/11484cf00dba95e52678e269d11425358dcde310
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Henrik-Bjoernlund/net-bridge-cfm-Add-support-for-Connectivity-Fault-Management-CFM/20201001-184031
        git checkout 11484cf00dba95e52678e269d11425358dcde310
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 

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 >>):

   arm-linux-gnueabi-ld: net/core/flow_dissector.o: in function `switchdev_port_obj_get':
>> flow_dissector.c:(.text+0x838): multiple definition of `switchdev_port_obj_get'; drivers/net/usb/lan78xx.o:lan78xx.c:(.text+0x68b4): first defined here
   arm-linux-gnueabi-ld: net/core/dev.o: in function `switchdev_port_obj_get':
   dev.c:(.text+0x7760): multiple definition of `switchdev_port_obj_get'; drivers/net/usb/lan78xx.o:lan78xx.c:(.text+0x68b4): first defined here
   arm-linux-gnueabi-ld: net/core/dev_ioctl.o: in function `switchdev_port_obj_get':
   dev_ioctl.c:(.text+0x3f0): multiple definition of `switchdev_port_obj_get'; drivers/net/usb/lan78xx.o:lan78xx.c:(.text+0x68b4): first defined here
   arm-linux-gnueabi-ld: net/ethernet/eth.o: in function `switchdev_port_obj_get':
   eth.c:(.text+0x838): multiple definition of `switchdev_port_obj_get'; drivers/net/usb/lan78xx.o:lan78xx.c:(.text+0x68b4): first defined here
   arm-linux-gnueabi-ld: net/ethtool/tunnels.o: in function `switchdev_port_obj_get':
   tunnels.c:(.text+0x400): multiple definition of `switchdev_port_obj_get'; drivers/net/usb/lan78xx.o:lan78xx.c:(.text+0x68b4): first defined here
   arm-linux-gnueabi-ld: net/ipv4/ip_tunnel_core.o: in function `switchdev_port_obj_get':
   ip_tunnel_core.c:(.text+0xd6c): multiple definition of `switchdev_port_obj_get'; drivers/net/usb/lan78xx.o:lan78xx.c:(.text+0x68b4): first defined here
   arm-linux-gnueabi-ld: net/ipv4/ipconfig.o: in function `switchdev_port_obj_get':
   ipconfig.c:(.text+0x1d8): multiple definition of `switchdev_port_obj_get'; drivers/net/usb/lan78xx.o:lan78xx.c:(.text+0x68b4): first defined here

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