[mptcp:export 32/40] filter.c:undefined reference to `bpf_mptcp_sock_from_subflow'

* [mptcp:export 32/40] filter.c:undefined reference to `bpf_mptcp_sock_from_subflow'
@ 2022-03-30  4:29 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-03-30  4:29 UTC (permalink / raw)
  To: Geliang Tang; +Cc: kbuild-all, mptcp, Matthieu Baerts, Nicolas Rybowski

tree:   https://github.com/multipath-tcp/mptcp_net-next.git export
head:   cd59bc96e464d4bee9ab55ad2de0c16a6efc6c5d
commit: 3f57ab06c5b43fdc2438983f79f2da7556ed3639 [32/40] bpf: add bpf_skc_to_mptcp_sock_proto
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20220330/202203301231.cDntwFCo-lkp@intel.com/config)
compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0
reproduce (this is a W=1 build):
        # https://github.com/multipath-tcp/mptcp_net-next/commit/3f57ab06c5b43fdc2438983f79f2da7556ed3639
        git remote add mptcp https://github.com/multipath-tcp/mptcp_net-next.git
        git fetch --no-tags mptcp export
        git checkout 3f57ab06c5b43fdc2438983f79f2da7556ed3639
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

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 >>):

   ld: net/core/filter.o: in function `bpf_skc_to_mptcp_sock':
>> filter.c:(.text+0x66a4): undefined reference to `bpf_mptcp_sock_from_subflow'

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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