tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git 
class_cleanup
head:   e4156fe7129aa2716f4370f5ba049416d7c3e8c6
commit: 6e30a66433afee90e902ced95d7136e8f7edcc7e [12/107] driver core: class: 
remove struct module owner out of struct class
config: mips-randconfig-c003-20230402 
(https://download.01.org/0day-ci/archive/20230402/202304020802.xbrtjkjw-...@intel.com/config)
compiler: mipsel-linux-gcc (GCC) 12.1.0
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://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git/commit/?id=6e30a66433afee90e902ced95d7136e8f7edcc7e
        git remote add driver-core 
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git
        git fetch --no-tags driver-core class_cleanup
        git checkout 6e30a66433afee90e902ced95d7136e8f7edcc7e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 
O=build_dir ARCH=mips olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 
O=build_dir ARCH=mips SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <l...@intel.com>
| Link: 
https://lore.kernel.org/oe-kbuild-all/202304020802.xbrtjkjw-...@intel.com/

All errors (new ones prefixed by >>):

>> arch/mips/kernel/vpe-cmp.c:82:10: error: 'struct class' has no member named 
>> 'owner'
      82 |         .owner = THIS_MODULE,
         |          ^~~~~
   In file included from include/linux/linkage.h:7,
                    from include/linux/kernel.h:17,
                    from arch/mips/kernel/vpe-cmp.c:9:
>> include/linux/export.h:29:21: error: initialization of 'const struct 
>> attribute_group **' from incompatible pointer type 'struct module *' 
>> [-Werror=incompatible-pointer-types]
      29 | #define THIS_MODULE ((struct module *)0)
         |                     ^
   arch/mips/kernel/vpe-cmp.c:82:18: note: in expansion of macro 'THIS_MODULE'
      82 |         .owner = THIS_MODULE,
         |                  ^~~~~~~~~~~
   include/linux/export.h:29:21: note: (near initialization for 
'vpe_class.class_groups')
      29 | #define THIS_MODULE ((struct module *)0)
         |                     ^
   arch/mips/kernel/vpe-cmp.c:82:18: note: in expansion of macro 'THIS_MODULE'
      82 |         .owner = THIS_MODULE,
         |                  ^~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +29 include/linux/export.h

d143b9db8069f0 Greg Kroah-Hartman 2022-04-27   6  
f50169324df4ad Paul Gortmaker     2011-05-23   7  /*
f50169324df4ad Paul Gortmaker     2011-05-23   8   * Export symbols from the 
kernel to modules.  Forked from module.h
f50169324df4ad Paul Gortmaker     2011-05-23   9   * to reduce the amount of 
pointless cruft we feed to gcc when only
f50169324df4ad Paul Gortmaker     2011-05-23  10   * exporting a simple symbol 
or two.
f50169324df4ad Paul Gortmaker     2011-05-23  11   *
b92021b09df70c Rusty Russell      2013-03-15  12   * Try not to add #includes 
here.  It slows compilation and makes kernel
b92021b09df70c Rusty Russell      2013-03-15  13   * hackers place grumpy 
comments in header files.
f50169324df4ad Paul Gortmaker     2011-05-23  14   */
f50169324df4ad Paul Gortmaker     2011-05-23  15  
7b4537199a4a84 Masahiro Yamada    2022-05-13  16  /*
7b4537199a4a84 Masahiro Yamada    2022-05-13  17   * This comment block is used 
by fixdep. Please do not remove.
7b4537199a4a84 Masahiro Yamada    2022-05-13  18   *
7b4537199a4a84 Masahiro Yamada    2022-05-13  19   * When CONFIG_MODVERSIONS is 
changed from n to y, all source files having
7b4537199a4a84 Masahiro Yamada    2022-05-13  20   * EXPORT_SYMBOL variants 
must be re-compiled because genksyms is run as a
7b4537199a4a84 Masahiro Yamada    2022-05-13  21   * side effect of the *.o 
build rule.
7b4537199a4a84 Masahiro Yamada    2022-05-13  22   */
7b4537199a4a84 Masahiro Yamada    2022-05-13  23  
b92021b09df70c Rusty Russell      2013-03-15  24  #ifndef __ASSEMBLY__
f50169324df4ad Paul Gortmaker     2011-05-23  25  #ifdef MODULE
f50169324df4ad Paul Gortmaker     2011-05-23  26  extern struct module 
__this_module;
f50169324df4ad Paul Gortmaker     2011-05-23  27  #define THIS_MODULE 
(&__this_module)
f50169324df4ad Paul Gortmaker     2011-05-23  28  #else
f50169324df4ad Paul Gortmaker     2011-05-23 @29  #define THIS_MODULE ((struct 
module *)0)
f50169324df4ad Paul Gortmaker     2011-05-23  30  #endif
f50169324df4ad Paul Gortmaker     2011-05-23  31  

:::::: The code at line 29 was first introduced by commit
:::::: f50169324df4ad942e544386d136216c8617636a module.h: split out the 
EXPORT_SYMBOL into export.h

:::::: TO: Paul Gortmaker <paul.gortma...@windriver.com>
:::::: CC: Paul Gortmaker <paul.gortma...@windriver.com>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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