From: kernel test robot <lkp@intel.com>
To: Dave Jiang <dave.jiang@intel.com>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [djiang:cxl/extended-linear 2/4] include/linux/compiler.h:245:77: error: expression in static assertion is not an integer
Date: Thu, 5 Dec 2024 12:24:34 +0800 [thread overview]
Message-ID: <202412051201.PfxO648T-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/djiang/linux.git cxl/extended-linear
head: cc3b7ba41f14d666907c81d2b5079170659e37b1
commit: 6576e541fcc39fd4f68ddaf2e4851d7eb30c9791 [2/4] acpi/hmat / cxl: Add extended linear cache support for CXL
config: x86_64-randconfig-161 (https://download.01.org/0day-ci/archive/20241205/202412051201.PfxO648T-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241205/202412051201.PfxO648T-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/202412051201.PfxO648T-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from include/linux/i2c.h:13,
from drivers/media/pci/cx25821/cx25821.h:14,
from drivers/media/pci/cx25821/cx25821-alsa.c:29:
include/linux/acpi.h:1105:19: error: redefinition of 'hmat_get_extended_linear_cache_size'
1105 | static inline int hmat_get_extended_linear_cache_size(struct resource *backing_res,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/acpi.h:448:19: note: previous definition of 'hmat_get_extended_linear_cache_size' with type 'int(struct resource *, int, resource_size_t *)' {aka 'int(struct resource *, int, long long unsigned int *)'}
448 | static inline int hmat_get_extended_linear_cache_size(struct resource *backing_res,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/build_bug.h:5,
from include/linux/container_of.h:5,
from include/linux/list.h:5,
from include/linux/module.h:12,
from drivers/media/pci/cx25821/cx25821-alsa.c:12:
>> include/linux/compiler.h:245:77: error: expression in static assertion is not an integer
245 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:249:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
249 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(__same_type((a), &(a)[0]), "must be array")
| ^~~~~~~~~~~~~~~~~~~~~~~
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:521:20: note: in expansion of macro 'ARRAY_SIZE'
521 | = { .max = ARRAY_SIZE(array), .num = nump, \
| ^~~~~~~~~~
include/linux/moduleparam.h:505:9: note: in expansion of macro 'module_param_array_named'
505 | module_param_array_named(name, name, type, nump, perm)
| ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/pci/cx25821/cx25821-alsa.c:97:1: note: in expansion of macro 'module_param_array'
97 | module_param_array(index, int, NULL, 0444);
| ^~~~~~~~~~~~~~~~~~
drivers/media/pci/cx25821/cx25821-alsa.c:90:12: warning: 'index' defined but not used [-Wunused-variable]
90 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
| ^~~~~
--
In file included from include/linux/i2c.h:13,
from cx25821.h:14,
from cx25821-alsa.c:29:
include/linux/acpi.h:1105:19: error: redefinition of 'hmat_get_extended_linear_cache_size'
1105 | static inline int hmat_get_extended_linear_cache_size(struct resource *backing_res,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/acpi.h:448:19: note: previous definition of 'hmat_get_extended_linear_cache_size' with type 'int(struct resource *, int, resource_size_t *)' {aka 'int(struct resource *, int, long long unsigned int *)'}
448 | static inline int hmat_get_extended_linear_cache_size(struct resource *backing_res,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/build_bug.h:5,
from include/linux/container_of.h:5,
from include/linux/list.h:5,
from include/linux/module.h:12,
from cx25821-alsa.c:12:
>> include/linux/compiler.h:245:77: error: expression in static assertion is not an integer
245 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
| ^
include/linux/compiler.h:249:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG'
249 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(__same_type((a), &(a)[0]), "must be array")
| ^~~~~~~~~~~~~~~~~~~~~~~
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:521:20: note: in expansion of macro 'ARRAY_SIZE'
521 | = { .max = ARRAY_SIZE(array), .num = nump, \
| ^~~~~~~~~~
include/linux/moduleparam.h:505:9: note: in expansion of macro 'module_param_array_named'
505 | module_param_array_named(name, name, type, nump, perm)
| ^~~~~~~~~~~~~~~~~~~~~~~~
cx25821-alsa.c:97:1: note: in expansion of macro 'module_param_array'
97 | module_param_array(index, int, NULL, 0444);
| ^~~~~~~~~~~~~~~~~~
cx25821-alsa.c:90:12: warning: 'index' defined but not used [-Wunused-variable]
90 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
| ^~~~~
vim +245 include/linux/compiler.h
^1da177e4c3f415 Linus Torvalds 2005-04-16 241
d7a516c6eeae291 Philipp Reisner 2024-11-15 242 #ifdef __CHECKER__
d7a516c6eeae291 Philipp Reisner 2024-11-15 243 #define __BUILD_BUG_ON_ZERO_MSG(e, msg) (0)
d7a516c6eeae291 Philipp Reisner 2024-11-15 244 #else /* __CHECKER__ */
d7a516c6eeae291 Philipp Reisner 2024-11-15 @245 #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
d7a516c6eeae291 Philipp Reisner 2024-11-15 246 #endif /* __CHECKER__ */
d7a516c6eeae291 Philipp Reisner 2024-11-15 247
:::::: The code at line 245 was first introduced by commit
:::::: d7a516c6eeae29144649f1c3f586fa580ec9e040 compiler.h: Fix undefined BUILD_BUG_ON_ZERO()
:::::: TO: Philipp Reisner <philipp.reisner@linbit.com>
:::::: CC: Kees Cook <kees@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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