include/linux/build_bug.h:80:41: error: static assertion failed: "sizeof(struct motion_output_report_02) == 7"

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0e35b9b6ec0ffcc5e23cbdec09f5c622ad532b53
commit: 4b9c410e7d6dacef1a27baddb176fece2c6a6a30 HID: sony: fix style issues
date:   3 months ago
config: arm-randconfig-003-20260709 (https://download.01.org/0day-ci/archive/20260709/202607091026.R9Pxd3PG-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 14.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260709/202607091026.R9Pxd3PG-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
| Fixes: 4b9c410e7d6d ("HID: sony: fix style issues")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607091026.R9Pxd3PG-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/bits.h:30,
                    from include/linux/ratelimit_types.h:5,
                    from include/linux/ratelimit.h:5,
                    from include/linux/dev_printk.h:16,
                    from include/linux/device.h:15,
                    from drivers/hid/hid-sony.c:32:
>> include/linux/build_bug.h:80:41: error: static assertion failed: "sizeof(struct motion_output_report_02) == 7"
      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)
         |                                  ^~~~~~~~~~~~~~~
   drivers/hid/hid-sony.c:506:1: note: in expansion of macro 'static_assert'
     506 | static_assert(sizeof(struct motion_output_report_02) == 7);
         | ^~~~~~~~~~~~~


vim +80 include/linux/build_bug.h

bc6245e5efd70c Ian Abbott       2017-07-10  61  
6bab69c65013be Rasmus Villemoes 2019-03-07  62  /**
6bab69c65013be Rasmus Villemoes 2019-03-07  63   * static_assert - check integer constant expression at build time
6ffd853b0b10e1 Randy Dunlap     2026-03-01  64   * @expr: expression to be checked
6bab69c65013be Rasmus Villemoes 2019-03-07  65   *
6bab69c65013be Rasmus Villemoes 2019-03-07  66   * static_assert() is a wrapper for the C11 _Static_assert, with a
6bab69c65013be Rasmus Villemoes 2019-03-07  67   * little macro magic to make the message optional (defaulting to the
6bab69c65013be Rasmus Villemoes 2019-03-07  68   * stringification of the tested expression).
6bab69c65013be Rasmus Villemoes 2019-03-07  69   *
6bab69c65013be Rasmus Villemoes 2019-03-07  70   * Contrary to BUILD_BUG_ON(), static_assert() can be used at global
6bab69c65013be Rasmus Villemoes 2019-03-07  71   * scope, but requires the expression to be an integer constant
6bab69c65013be Rasmus Villemoes 2019-03-07  72   * expression (i.e., it is not enough that __builtin_constant_p() is
6bab69c65013be Rasmus Villemoes 2019-03-07  73   * true for expr).
6bab69c65013be Rasmus Villemoes 2019-03-07  74   *
6bab69c65013be Rasmus Villemoes 2019-03-07  75   * Also note that BUILD_BUG_ON() fails the build if the condition is
6bab69c65013be Rasmus Villemoes 2019-03-07  76   * true, while static_assert() fails the build if the expression is
6bab69c65013be Rasmus Villemoes 2019-03-07  77   * false.
6bab69c65013be Rasmus Villemoes 2019-03-07  78   */
6bab69c65013be Rasmus Villemoes 2019-03-07  79  #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
6bab69c65013be Rasmus Villemoes 2019-03-07 @80  #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
6bab69c65013be Rasmus Villemoes 2019-03-07  81  
07a368b3f55a79 Maxim Levitsky   2022-10-25  82  

:::::: The code at line 80 was first introduced by commit
:::::: 6bab69c65013bed5fce9f101a64a84d0385b3946 build_bug.h: add wrapper for _Static_assert

:::::: TO: Rasmus Villemoes <linux@rasmusvillemoes.dk>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

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