[Intel-wired-lan] [tnguy-next-queue:dev-queue 4/145] include/linux/intel/virtchnl.h:480:30: error: enumerator value for 'virtchnl_static_assert_virtchnl_irq_map_info' is not an integer constant

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue.git dev-queue
head:   03bfd1fd4cea5b5be0d50475802a29a8de476969
commit: 02f11e95790d60c0713cceb05399ca93da4e0093 [4/145] virtchnl: create 'include/linux/intel' and move necessary header files
config: arm-randconfig-004-20260502 (https://download.01.org/0day-ci/archive/20260503/202605030146.fEzMWDym-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/20260503/202605030146.fEzMWDym-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/202605030146.fEzMWDym-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   In file included from drivers/net/ethernet/intel/iavf/iavf.h:40,
                    from drivers/net/ethernet/intel/iavf/iavf_adv_rss.c:6:
>> include/linux/intel/virtchnl.h:174:43: warning: division by zero [-Wdiv-by-zero]
     174 |         { virtchnl_static_assert_##X = (n)/((sizeof(struct X) == (n)) ? 1 : 0) }
         |                                           ^
   include/linux/intel/virtchnl.h:480:1: note: in expansion of macro 'VIRTCHNL_CHECK_STRUCT_LEN'
     480 | VIRTCHNL_CHECK_STRUCT_LEN(2, virtchnl_irq_map_info);
         | ^~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/intel/virtchnl.h:480:30: error: enumerator value for 'virtchnl_static_assert_virtchnl_irq_map_info' is not an integer constant
     480 | VIRTCHNL_CHECK_STRUCT_LEN(2, virtchnl_irq_map_info);
         |                              ^~~~~~~~~~~~~~~~~~~~~
   include/linux/intel/virtchnl.h:174:60: note: in definition of macro 'VIRTCHNL_CHECK_STRUCT_LEN'
     174 |         { virtchnl_static_assert_##X = (n)/((sizeof(struct X) == (n)) ? 1 : 0) }
         |                                                            ^


vim +/virtchnl_static_assert_virtchnl_irq_map_info +480 include/linux/intel/virtchnl.h

62683ab51e487fb drivers/net/ethernet/intel/i40evf/i40e_virtchnl.h Greg Rose         2013-12-21  479  
5e7f59fa07f86f5 include/linux/avf/virtchnl.h                      Alexander Lobakin 2023-07-28 @480  VIRTCHNL_CHECK_STRUCT_LEN(2, virtchnl_irq_map_info);
5e7f59fa07f86f5 include/linux/avf/virtchnl.h                      Alexander Lobakin 2023-07-28  481  #define virtchnl_irq_map_info_LEGACY_SIZEOF	14
73556269aab30c3 include/linux/avf/virtchnl.h                      Sridhar Samudrala 2017-05-11  482  

:::::: The code at line 480 was first introduced by commit
:::::: 5e7f59fa07f86f554c301c7a383bba54d5ef9819 virtchnl: fix fake 1-elem arrays in structures allocated as `nents + 1`

:::::: TO: Alexander Lobakin <aleksander.lobakin@intel.com>
:::::: CC: Tony Nguyen <anthony.l.nguyen@intel.com>

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