linux-kernel - [jpirko-mlxsw:jiri_devel_lc_dev 4/5] drivers/net/ethernet/mellanox/mlxsw/core_linecard_dev.c:26:5: warning: no previous prototype for function 'mlxsw_linecard_dev_id

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Message-ID: <202206022331.m9R8tlOt-lkp@intel.com>
Date:   Thu, 2 Jun 2022 23:55:54 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jiri Pirko <jiri@...dia.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [jpirko-mlxsw:jiri_devel_lc_dev 4/5]
 drivers/net/ethernet/mellanox/mlxsw/core_linecard_dev.c:26:5: warning: no
 previous prototype for function 'mlxsw_linecard_dev_id_alloc'

tree:   https://github.com/jpirko/linux_mlxsw jiri_devel_lc_dev
head:   ef34c1c33c0ae43a9ad3c0ed3708eb1880972de0
commit: 2d0852c5fa89a48c6fa1f860600b5e24e2faab4b [4/5] mlxsw: core_linecards: Introduce per line card auxiliary device
config: x86_64-randconfig-a016 (https://download.01.org/0day-ci/archive/20220602/202206022331.m9R8tlOt-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b364c76683f8ef241025a9556300778c07b590c2)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/jpirko/linux_mlxsw/commit/2d0852c5fa89a48c6fa1f860600b5e24e2faab4b
        git remote add jpirko-mlxsw https://github.com/jpirko/linux_mlxsw
        git fetch --no-tags jpirko-mlxsw jiri_devel_lc_dev
        git checkout 2d0852c5fa89a48c6fa1f860600b5e24e2faab4b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/ethernet/mellanox/mlxsw/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/net/ethernet/mellanox/mlxsw/core_linecard_dev.c:26:5: warning: no previous prototype for function 'mlxsw_linecard_dev_id_alloc' [-Wmissing-prototypes]
   int mlxsw_linecard_dev_id_alloc(void)
       ^
   drivers/net/ethernet/mellanox/mlxsw/core_linecard_dev.c:26:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int mlxsw_linecard_dev_id_alloc(void)
   ^
   static 
>> drivers/net/ethernet/mellanox/mlxsw/core_linecard_dev.c:31:6: warning: no previous prototype for function 'mlxsw_linecard_dev_id_free' [-Wmissing-prototypes]
   void mlxsw_linecard_dev_id_free(int id)
        ^
   drivers/net/ethernet/mellanox/mlxsw/core_linecard_dev.c:31:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void mlxsw_linecard_dev_id_free(int id)
   ^
   static 
   2 warnings generated.


vim +/mlxsw_linecard_dev_id_alloc +26 drivers/net/ethernet/mellanox/mlxsw/core_linecard_dev.c

    25	
  > 26	int mlxsw_linecard_dev_id_alloc(void)
    27	{
    28		return ida_alloc(&mlxsw_linecard_dev_ida, GFP_KERNEL);
    29	}
    30	
  > 31	void mlxsw_linecard_dev_id_free(int id)
    32	{
    33		ida_free(&mlxsw_linecard_dev_ida, id);
    34	}
    35	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp