Hi Tom,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]
[also build test ERROR on net/main linus/master v6.11-rc1 next-20240802]
[cannot apply to horms-ipvs/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Tom-Herbert/skbuff-Unconstantify-struct-net-argument-in-flowdis-functions/20240802-084418
base:   net-next/main
patch link:    https://lore.kernel.org/r/20240731172332.683815-7-tom%40herbertland.com
patch subject: [PATCH 06/12] flow_dissector: UDP encap infrastructure
config: arc-vdk_hs38_defconfig (https://download.01.org/0day-ci/archive/20240802/202408022051.e0Dqh7P1-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/20240802/202408022051.e0Dqh7P1-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 [off-list ref]
| Closes: https://lore.kernel.org/oe-kbuild-all/202408022051.e0Dqh7P1-lkp@intel.com/ (local)

All errors (new ones prefixed by >>):

   arc-elf-ld: net/core/flow_dissector.o: in function `__skb_flow_dissect_udp.isra.0':
   flow_dissector.c:(.text+0x81c): undefined reference to `__udp6_lib_lookup'

quoted

arc-elf-ld: flow_dissector.c:(.text+0x81c): undefined reference to `__udp6_lib_lookup'

-- 
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https://github.com/intel/lkp-tests/wiki