Subject: Re: [PATCH] udp: Move back definition of udpv6_encap_needed_key to ipv6 file.

From: kernel test robot <[email-masked]>
Date: Fri, 24 Oct 2025 22:40:10 +0800

Hi Siddh,

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 v6.18-rc2 next-20251024]
[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/Siddh-Raman-Pant/udp-Move-back-definition-of-udpv6_encap_needed_key-to-ipv6-file/20251023-171157
base:   net-next/main
patch link:    https://lore.kernel.org/r/20251023090736.99644-1-siddh.raman.pant%40oracle.com
patch subject: [PATCH] udp: Move back definition of udpv6_encap_needed_key to ipv6 file.
config: arm64-defconfig (https://download.01.org/0day-ci/archive/20251024/[email-masked]/config)
compiler: aarch64-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251024/[email-masked]/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 <[email-masked]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email-masked]/

All errors (new ones prefixed by >>):

>> aarch64-linux-ld: net/ipv4/udp.o:(__jump_table+0xe8): undefined reference to `udpv6_encap_needed_key'

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