[peterz-queue:x86/core 6/6] drivers/misc/lkdtm/perms.c:89:1: error: type defaults to 'int' in declaration of 'ANNOTATE_NOCFI_SYM'

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/core
head:   c08c01c51ede1b79b73fe142e4bc9f7bb9d0ea5e
commit: c08c01c51ede1b79b73fe142e4bc9f7bb9d0ea5e [6/6] objtool: Validate kCFI calls
config: csky-randconfig-002-20250412 (https://download.01.org/0day-ci/archive/20250412/202504122336.jXmwu5Al-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250412/202504122336.jXmwu5Al-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/202504122336.jXmwu5Al-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/misc/lkdtm/perms.c:89:1: warning: data definition has no type or storage class
      89 | ANNOTATE_NOCFI_SYM(execute_location);
         | ^~~~~~~~~~~~~~~~~~
>> drivers/misc/lkdtm/perms.c:89:1: error: type defaults to 'int' in declaration of 'ANNOTATE_NOCFI_SYM' [-Wimplicit-int]
>> drivers/misc/lkdtm/perms.c:89:1: error: parameter names (without types) in function declaration [-Wdeclaration-missing-parameter-type]


vim +89 drivers/misc/lkdtm/perms.c

    70	
    71	static noinline __nocfi void execute_location(void *dst, bool write)
    72	{
    73		void (*func)(void);
    74		func_desc_t fdesc;
    75	
    76		pr_info("attempting ok execution at %px\n", do_nothing_ptr);
    77		do_nothing();
    78	
    79		if (write == CODE_WRITE) {
    80			memcpy(dst, do_nothing_ptr, EXEC_SIZE);
    81			flush_icache_range((unsigned long)dst,
    82					   (unsigned long)dst + EXEC_SIZE);
    83		}
    84		pr_info("attempting bad execution at %px\n", dst);
    85		func = setup_function_descriptor(&fdesc, dst);
    86		func();
    87		pr_err("FAIL: func returned\n");
    88	}
  > 89	ANNOTATE_NOCFI_SYM(execute_location);
    90	

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