Re: [PATCH] ACPICA: fix build with GCC 15 due to -Werror=unterminated-string-initialization

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Hi,

kernel test robot noticed the following build errors:

[auto build test ERROR on rafael-pm/linux-next]
[also build test ERROR on rafael-pm/bleeding-edge linus/master v6.14-rc4 next-20250228]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/mpagano-gentoo-org/ACPICA-fix-build-with-GCC-15-due-to-Werror-unterminated-string-initialization/20250301-051004
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/20250228210834.811164-1-mpagano%40gentoo.org
patch subject: [PATCH] ACPICA: fix build with GCC 15 due to -Werror=unterminated-string-initialization
config: x86_64-randconfig-001-20250302 (https://download.01.org/0day-ci/archive/20250302/202503021209.06wcSVPg-lkp@xxxxxxxxx/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/20250302/202503021209.06wcSVPg-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503021209.06wcSVPg-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   drivers/acpi/nfit/core.c: In function 'nfit_init':
>> include/linux/compiler_types.h:542:45: error: call to '__compiletime_assert_1081' declared with attribute error: BUILD_BUG_ON failed: sizeof(struct acpi_table_nfit) != 40
     542 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:523:25: note: in definition of macro '__compiletime_assert'
     523 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:542:9: note: in expansion of macro '_compiletime_assert'
     542 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |         BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |         ^~~~~~~~~~~~~~~~
   drivers/acpi/nfit/core.c:3489:9: note: in expansion of macro 'BUILD_BUG_ON'
    3489 |         BUILD_BUG_ON(sizeof(struct acpi_table_nfit) != 40);
         |         ^~~~~~~~~~~~


vim +/__compiletime_assert_1081 +542 include/linux/compiler_types.h

eb5c2d4b45e3d2d Will Deacon 2020-07-21  528  
eb5c2d4b45e3d2d Will Deacon 2020-07-21  529  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2d Will Deacon 2020-07-21  530  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2d Will Deacon 2020-07-21  531  
eb5c2d4b45e3d2d Will Deacon 2020-07-21  532  /**
eb5c2d4b45e3d2d Will Deacon 2020-07-21  533   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2d Will Deacon 2020-07-21  534   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2d Will Deacon 2020-07-21  535   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2d Will Deacon 2020-07-21  536   *
eb5c2d4b45e3d2d Will Deacon 2020-07-21  537   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2d Will Deacon 2020-07-21  538   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2d Will Deacon 2020-07-21  539   * compiler has support to do so.
eb5c2d4b45e3d2d Will Deacon 2020-07-21  540   */
eb5c2d4b45e3d2d Will Deacon 2020-07-21  541  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2d Will Deacon 2020-07-21 @542  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2d Will Deacon 2020-07-21  543  

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