[thomas-weissschuh:b4/auxclock-nanosleep 41/41] include/linux/compiler.h:200:82: error: expression in static assertion is not an integer

[thomas-weissschuh:b4/auxclock-nanosleep 41/41] include/linux/compiler.h:200:82: error: expression in static assertion is not an integer

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/thomas.weissschuh/linux.git b4/auxclock-nanosleep
head:   b07585bb535605fb7baff6811b5b778c83af0805
commit: b07585bb535605fb7baff6811b5b778c83af0805 [41/41] timekeeping: Only copy valid auxiliary clock conversion parameters
config: openrisc-randconfig-r2100-20261028 (https://download.01.org/0day-ci/archive/20261028/202610282037.7oUndeYE-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 16.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261028/202610282037.7oUndeYE-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/202610282037.7oUndeYE-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/init.h:5,
                    from sound/drivers/dummy.c:7:
   include/linux/build_bug.h:80:41: error: static assertion failed: "SMP_CACHE_BYTES % sizeof(struct tk_aux_mono_conv) == 0"
      80 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
         |                                         ^~~~~~~~~~~~~~
   include/linux/build_bug.h:79:34: note: in expansion of macro '__static_assert'
      79 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
         |                                  ^~~~~~~~~~~~~~~
   include/linux/timekeeping_types.h:62:1: note: in expansion of macro 'static_assert'
      62 | static_assert(SMP_CACHE_BYTES % sizeof(struct tk_aux_mono_conv) == 0);
         | ^~~~~~~~~~~~~
   In file included from include/linux/build_bug.h:5:
>> include/linux/compiler.h:200:82: error: expression in static assertion is not an integer
     200 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
         |                                                                                  ^
   include/linux/compiler.h:205:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
     205 | #define __must_be_array(a)      __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \
         |                                 ^~~~~~~~~~~~~~~~~~~~~~~
   include/linux/array_size.h:11:59: note: in expansion of macro '__must_be_array'
      11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
         |                                                           ^~~~~~~~~~~~~~~
   include/linux/moduleparam.h:544:20: note: in expansion of macro 'ARRAY_SIZE'
     544 |         = { .max = ARRAY_SIZE(array), .num = nump,                      \
         |                    ^~~~~~~~~~
   include/linux/moduleparam.h:528:9: note: in expansion of macro 'module_param_array_named'
     528 |         module_param_array_named(name, name, type, nump, perm)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   sound/drivers/dummy.c:64:1: note: in expansion of macro 'module_param_array'
      64 | module_param_array(index, int, NULL, 0444);
         | ^~~~~~~~~~~~~~~~~~
   sound/drivers/dummy.c:50:12: warning: 'index' defined but not used [-Wunused-variable]
      50 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
         |            ^~~~~


vim +200 include/linux/compiler.h

230fa253df6352 Christian Borntraeger 2014-11-25  196  
cb7380de9e4cbc Kees Cook             2025-02-05  197  #ifdef __CHECKER__
243c90e917f5cf Vincent Mailhol       2025-03-29  198  #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) (0)
cb7380de9e4cbc Kees Cook             2025-02-05  199  #else /* __CHECKER__ */
243c90e917f5cf Vincent Mailhol       2025-03-29 @200  #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
cb7380de9e4cbc Kees Cook             2025-02-05  201  #endif /* __CHECKER__ */
cb7380de9e4cbc Kees Cook             2025-02-05  202  

:::::: The code at line 200 was first introduced by commit
:::::: 243c90e917f5cfc99821e5104d1c8a81c11cda4c build_bug.h: more user friendly error messages in BUILD_BUG_ON_ZERO()

:::::: TO: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
:::::: CC: Yury Norov <yury.norov@gmail.com>

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