Re: [Intel-wired-lan] [PATCH v9 net-next 12/15] virtchnl: support queue rate limit and quanta size configuration

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

Hi Paolo,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Paolo-Abeni/genetlink-extend-info-user-storage-to-match-NL-cb-ctx/20241009-161414
base:   net-next/main
patch link:    https://lore.kernel.org/r/839002f7bd6f63b985a060a51b079f6e6dbbe237.1728460186.git.pabeni%40redhat.com
patch subject: [Intel-wired-lan] [PATCH v9 net-next 12/15] virtchnl: support queue rate limit and quanta size configuration
config: m68k-randconfig-r121-20241013 (https://download.01.org/0day-ci/archive/20241013/202410131710.71Wt6LKO-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 14.1.0
reproduce: (https://download.01.org/0day-ci/archive/20241013/202410131710.71Wt6LKO-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/202410131710.71Wt6LKO-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/net/ethernet/intel/i40e/i40e.h:11,
                    from drivers/net/ethernet/intel/i40e/i40e_main.c:13:
   include/linux/avf/virtchnl.h:171:43: warning: division by zero [-Wdiv-by-zero]
     171 |         { virtchnl_static_assert_##X = (n)/((sizeof(struct X) == (n)) ? 1 : 0) }
         |                                           ^
   include/linux/avf/virtchnl.h:1505:1: note: in expansion of macro 'VIRTCHNL_CHECK_STRUCT_LEN'
    1505 | VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_quanta_cfg);
         | ^~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/avf/virtchnl.h:1505:31: error: enumerator value for 'virtchnl_static_assert_virtchnl_quanta_cfg' is not an integer constant
    1505 | VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_quanta_cfg);
         |                               ^~~~~~~~~~~~~~~~~~~
   include/linux/avf/virtchnl.h:171:60: note: in definition of macro 'VIRTCHNL_CHECK_STRUCT_LEN'
     171 |         { virtchnl_static_assert_##X = (n)/((sizeof(struct X) == (n)) ? 1 : 0) }
         |                                                            ^

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for GET_FREE_REGION
   Depends on [n]: SPARSEMEM [=n]
   Selected by [m]:
   - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=y]


vim +/virtchnl_static_assert_virtchnl_quanta_cfg +1505 include/linux/avf/virtchnl.h

  1504	
> 1505	VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_quanta_cfg);
  1506	

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