[rafael-pm:bleeding-edge 39/52] drivers/acpi/apei/einj-core.c:877:43: error: expected identifier

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge
head:   089d4e79e2c932faef79e0061cb874000f755009
commit: 4ec052af63c58a62a896508cc5f8a0a2f516a590 [39/52] ACPI: APEI: EINJ: Transition to the faux device interface
config: x86_64-buildonly-randconfig-001-20250409 (https://download.01.org/0day-ci/archive/20250410/202504100128.AjbVDQgK-lkp@intel.com/config)
compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250410/202504100128.AjbVDQgK-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504100128.AjbVDQgK-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/acpi/apei/einj-core.c:877:43: error: expected identifier
     877 | module_faux_driver(acpi_einj, einj_probe, __exit_p(einj_remove), true);
         |                                           ^
   include/linux/init.h:397:21: note: expanded from macro '__exit_p'
     397 | #define __exit_p(x) NULL
         |                     ^
   include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
       8 | #define NULL ((void *)0)
         |              ^
>> drivers/acpi/apei/einj-core.c:877:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
     877 | module_faux_driver(acpi_einj, einj_probe, __exit_p(einj_remove), true);
         | ^
         | int
>> drivers/acpi/apei/einj-core.c:877:19: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
     877 | module_faux_driver(acpi_einj, einj_probe, __exit_p(einj_remove), true);
         |                   ^                                                  
         |                                                                      void
   3 errors generated.


vim +877 drivers/acpi/apei/einj-core.c

   876	
 > 877	module_faux_driver(acpi_einj, einj_probe, __exit_p(einj_remove), true);
   878	

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