Re: [PATCH v1 net-next] tun: Ignore tun in netdev_lock_pos().

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

Hi Kuniyuki,

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/Kuniyuki-Iwashima/tun-Ignore-tun-in-netdev_lock_pos/20260328-220059
base:   net-next/main
patch link:    https://lore.kernel.org/r/20260327213441.3781433-1-kuniyu%40google.com
patch subject: [PATCH v1 net-next] tun: Ignore tun in netdev_lock_pos().
config: x86_64-randconfig-016-20260329 (https://download.01.org/0day-ci/archive/20260329/202603292142.PWqbqFZ4-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260329/202603292142.PWqbqFZ4-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/202603292142.PWqbqFZ4-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: tun_link_ops
   >>> referenced by if_tun.h:27 (include/linux/if_tun.h:27)
   >>>               vmlinux.o:(register_netdevice)
   >>> referenced by if_tun.h:27 (include/linux/if_tun.h:27)
   >>>               vmlinux.o:(alloc_netdev_mqs)

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