Re: [PATCH net] net: lapbether: use netdev_lockdep_set_classes() helper

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

Hi Eric,

kernel test robot noticed the following build errors:

[auto build test ERROR on net/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Eric-Dumazet/net-lapbether-use-netdev_lockdep_set_classes-helper/20250309-174127
base:   net/main
patch link:    https://lore.kernel.org/r/20250309093930.1359048-1-edumazet%40google.com
patch subject: [PATCH net] net: lapbether: use netdev_lockdep_set_classes() helper
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20250310/202503101824.VtjtbcKN-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250310/202503101824.VtjtbcKN-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/202503101824.VtjtbcKN-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/net/wan/lapbether.c:27:
   In file included from include/linux/net.h:24:
   In file included from include/linux/mm.h:2224:
   include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     504 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     505 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     511 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     512 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     524 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     525 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
>> drivers/net/wan/lapbether.c:42:10: fatal error: 'net/netdev_lock.h' file not found
      42 | #include <net/netdev_lock.h>
         |          ^~~~~~~~~~~~~~~~~~~
   3 warnings and 1 error generated.


vim +42 drivers/net/wan/lapbether.c

    41	
  > 42	#include <net/netdev_lock.h>
    43	#include <net/x25device.h>
    44	

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