Re: [RFC 19/20] ima/userns: Define early teardown function for IMA namespace

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

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Hi Stefan,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on zohar-integrity/next-integrity]
[also build test WARNING on linus/master v5.16-rc3]
[cannot apply to pcmoore-selinux/next jmorris-security/next-testing next-20211130]
[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]

url:    https://github.com/0day-ci/linux/commits/Stefan-Berger/ima-Namespace-IMA-with-audit-support-in-IMA-ns/20211201-001242
base:   https://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git next-integrity
config: m68k-randconfig-r022-20211128 (https://download.01.org/0day-ci/archive/20211201/202112010458.u0ArtvF8-lkp(a)intel.com/config)
compiler: m68k-linux-gcc (GCC) 11.2.0
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/0day-ci/linux/commit/e2bb2f75c0181260c9a746c5b75af3153dbbed4b
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Stefan-Berger/ima-Namespace-IMA-with-audit-support-in-IMA-ns/20211201-001242
        git checkout e2bb2f75c0181260c9a746c5b75af3153dbbed4b
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash security/integrity/ima/

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 >>):

>> security/integrity/ima/ima_ns.c:68:6: warning: no previous prototype for 'ima_ns_userns_early_teardown' [-Wmissing-prototypes]
      68 | void ima_ns_userns_early_teardown(struct ima_namespace *ns)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   security/integrity/ima/ima_ns.c:112:12: warning: no previous prototype for 'imans_cache_init' [-Wmissing-prototypes]
     112 | int __init imans_cache_init(void)
         |            ^~~~~~~~~~~~~~~~


vim +/ima_ns_userns_early_teardown +68 security/integrity/ima/ima_ns.c

    67	
  > 68	void ima_ns_userns_early_teardown(struct ima_namespace *ns)
    69	{
    70	}
    71	EXPORT_SYMBOL(ima_ns_userns_early_teardown);
    72	

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