Re: [PATCH iwl-net v2] ice: use DSN instead of PCI BDF for ice_adapter index

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

Hi Przemek,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tnguy-net-queue/dev-queue]

url:    https://github.com/intel-lab-lkp/linux/commits/Przemek-Kitszel/ice-use-DSN-instead-of-PCI-BDF-for-ice_adapter-index/20250407-192849
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue.git dev-queue
patch link:    https://lore.kernel.org/r/20250407112005.85468-1-przemyslaw.kitszel%40intel.com
patch subject: [PATCH iwl-net v2] ice: use DSN instead of PCI BDF for ice_adapter index
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20250408/202504080314.X7qJw69Y-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250408/202504080314.X7qJw69Y-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/202504080314.X7qJw69Y-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/net/ethernet/intel/ice/ice_adapter.c: In function 'ice_adapter_index':
   drivers/net/ethernet/intel/ice/ice_adapter.c:21:27: error: expected expression before 'u32'
      21 |         return (u32)dsn ^ u32(dsn >> 32);
         |                           ^~~
>> drivers/net/ethernet/intel/ice/ice_adapter.c:23:1: warning: control reaches end of non-void function [-Wreturn-type]
      23 | }
         | ^


vim +23 drivers/net/ethernet/intel/ice/ice_adapter.c

0e2bddf9e5f926 Michal Schmidt     2024-03-26  15  
2d939bcd51ee97 Przemek Kitszel    2025-04-07  16  static unsigned long ice_adapter_index(u64 dsn)
0e2bddf9e5f926 Michal Schmidt     2024-03-26  17  {
2d939bcd51ee97 Przemek Kitszel    2025-04-07  18  #if BITS_PER_LONG == 64
2d939bcd51ee97 Przemek Kitszel    2025-04-07  19  	return dsn;
2d939bcd51ee97 Przemek Kitszel    2025-04-07  20  #else
2d939bcd51ee97 Przemek Kitszel    2025-04-07  21  	return (u32)dsn ^ u32(dsn >> 32);
2d939bcd51ee97 Przemek Kitszel    2025-04-07  22  #endif
fdb7f54700b1c8 Sergey Temerkhanov 2024-08-21 @23  }
0e2bddf9e5f926 Michal Schmidt     2024-03-26  24  

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