[dhowells-fs:fscache-rewrite 18/64] fs/fscache/cookie.o: warning: objtool: fscache_free_cookie()+0x5e: unreachable instruction

[dhowells-fs:fscache-rewrite 18/64] fs/fscache/cookie.o: warning: objtool: fscache_free_cookie()+0x5e: unreachable instruction

[kernel test robot]

CC: linux-kernel@vger.kernel.org
TO: David Howells <dhowells@redhat.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git fscache-rewrite
head:   f72d735845c0cf3811a85b9cddcf3a6785731b21
commit: ad6736f0167d98faba4c3a20c2af3d7bd498aff1 [18/64] fscache: Implement cookie user counting and resource pinning
config: x86_64-randconfig-a015-20211205 (https://download.01.org/0day-ci/archive/20211205/202112051223.RKJ5QjgW-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5f1d1854eb1450d352663ee732235893c5782237)
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://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/commit/?id=ad6736f0167d98faba4c3a20c2af3d7bd498aff1
        git remote add dhowells-fs https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git
        git fetch --no-tags dhowells-fs fscache-rewrite
        git checkout ad6736f0167d98faba4c3a20c2af3d7bd498aff1
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash fs/ 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 >>):

>> fs/fscache/cookie.o: warning: objtool: fscache_free_cookie()+0x5e: unreachable instruction

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