linux-kernel - lib/test_kmod.c:100: warning: Function parameter or member 'task_sync' not described in 'kmod_test_device

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Message-ID: <202311032240.w1q3ydGG-lkp@intel.com>
Date:   Fri, 3 Nov 2023 22:29:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Luis Chamberlain <mcgrof@...nel.org>
Subject: lib/test_kmod.c:100: warning: Function parameter or member
 'task_sync' not described in 'kmod_test_device_info'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8f6f76a6a29f36d2f3e4510d0bde5046672f6924
commit: c093a74dac1c008daee92d6d613e9e3fe20b6585 test_kmod: stop kernel-doc warnings
date:   9 months ago
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20231103/202311032240.w1q3ydGG-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231103/202311032240.w1q3ydGG-lkp@intel.com/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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311032240.w1q3ydGG-lkp@intel.com/

All warnings (new ones prefixed by >>):

   lib/test_kmod.c:67: warning: Enum value '__TEST_KMOD_INVALID' not described in enum 'kmod_test_case'
   lib/test_kmod.c:67: warning: Enum value '__TEST_KMOD_MAX' not described in enum 'kmod_test_case'
>> lib/test_kmod.c:100: warning: Function parameter or member 'task_sync' not described in 'kmod_test_device_info'
   lib/test_kmod.c:134: warning: Function parameter or member 'thread_mutex' not described in 'kmod_test_device'


vim +100 lib/test_kmod.c

d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   78  
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   79  /**
c093a74dac1c00 Randy Dunlap      2023-01-02   80   * struct kmod_test_device_info - thread info
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   81   *
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   82   * @ret_sync: return value if request_module() is used, sync request for
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   83   * 	@TEST_KMOD_DRIVER
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   84   * @fs_sync: return value of get_fs_type() for @TEST_KMOD_FS_TYPE
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   85   * @thread_idx: thread ID
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   86   * @test_dev: test device test is being performed under
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   87   * @need_mod_put: Some tests (get_fs_type() is one) requires putting the module
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   88   *	(module_put(fs_sync->owner)) when done, otherwise you will not be able
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   89   *	to unload the respective modules and re-test. We use this to keep
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   90   *	accounting of when we need this and to help out in case we need to
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   91   *	error out and deal with module_put() on error.
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   92   */
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   93  struct kmod_test_device_info {
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   94  	int ret_sync;
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   95  	struct file_system_type *fs_sync;
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   96  	struct task_struct *task_sync;
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   97  	unsigned int thread_idx;
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   98  	struct kmod_test_device *test_dev;
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14   99  	bool need_mod_put;
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14 @100  };
d9c6a72d6fa29d Luis R. Rodriguez 2017-07-14  101  

:::::: The code at line 100 was first introduced by commit
:::::: d9c6a72d6fa29d3a7999dda726577e5d1fccafa5 kmod: add test driver to stress test the module loader

:::::: TO: Luis R. Rodriguez <mcgrof@...nel.org>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>

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