Re: [PATCH RFC net-next 1/2] net: selftest: add net_selftest_custom() interface

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

Hi Jijie,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build warnings:

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

url:    https://github.com/intel-lab-lkp/linux/commits/Jijie-Shao/net-selftest-add-net_selftest_custom-interface/20250421-215737
base:   net-next/main
patch link:    https://lore.kernel.org/r/20250421134358.1241851-2-shaojijie%40huawei.com
patch subject: [PATCH RFC net-next 1/2] net: selftest: add net_selftest_custom() interface
config: powerpc-randconfig-003-20250422 (https://download.01.org/0day-ci/archive/20250422/202504220756.HQDY7mTU-lkp@intel.com/config)
compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250422/202504220756.HQDY7mTU-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/202504220756.HQDY7mTU-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/net/ethernet/freescale/fec_main.c:42:
>> include/net/selftests.h:77:6: warning: no previous prototype for function 'net_selftest_custom' [-Wmissing-prototypes]
   void net_selftest_custom(struct net_device *ndev, struct net_test *test,
        ^
   include/net/selftests.h:77:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void net_selftest_custom(struct net_device *ndev, struct net_test *test,
   ^
   static 
>> include/net/selftests.h:82:5: warning: no previous prototype for function 'net_selftest_get_count_custom' [-Wmissing-prototypes]
   int net_selftest_get_count_custom(struct net_test *test)
       ^
   include/net/selftests.h:82:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int net_selftest_get_count_custom(struct net_test *test)
   ^
   static 
>> include/net/selftests.h:87:6: warning: no previous prototype for function 'net_selftest_get_strings_custom' [-Wmissing-prototypes]
   void net_selftest_get_strings_custom(struct net_test *test, u8 *data)
        ^
   include/net/selftests.h:87:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void net_selftest_get_strings_custom(struct net_test *test, u8 *data)
   ^
   static 
   3 warnings generated.


vim +/net_selftest_custom +77 include/net/selftests.h

    76	
  > 77	void net_selftest_custom(struct net_device *ndev, struct net_test *test,
    78				 struct ethtool_test *etest, u64 *buf)
    79	{
    80	}
    81	
  > 82	int net_selftest_get_count_custom(struct net_test *test)
    83	{
    84		return 0;
    85	}
    86	
  > 87	void net_selftest_get_strings_custom(struct net_test *test, u8 *data)
    88	{
    89	}
    90	

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