[mptcp:export 10/28] net/mptcp/sockopt.o: warning: objtool: mptcp_getsockopt()+0x650: unreachable instruction

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

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CC: mptcp@lists.linux.dev
TO: Florian Westphal <fw@strlen.de>
CC: Mat Martineau <mathew.j.martineau@linux.intel.com>

tree:   https://github.com/multipath-tcp/mptcp_net-next.git export
head:   c2e2952ed7a1d4b04f02f56e0c6dc5808a5272d1
commit: dc5dd395ae8f5eb0f1e302b346fa72c0685a009b [10/28] mptcp: add MPTCP_TCPINFO getsockopt support
config: x86_64-randconfig-r026-20210906 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 9c476172b93367d2cb88d7d3f4b1b5b456fa6020)
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/multipath-tcp/mptcp_net-next/commit/dc5dd395ae8f5eb0f1e302b346fa72c0685a009b
        git remote add mptcp https://github.com/multipath-tcp/mptcp_net-next.git
        git fetch --no-tags mptcp export
        git checkout dc5dd395ae8f5eb0f1e302b346fa72c0685a009b
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash net/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> net/mptcp/sockopt.o: warning: objtool: mptcp_getsockopt()+0x650: unreachable instruction

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

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