netdev - Re: [PATCH net-next v4 6/7] net: selftests: Export net_test_phy_loopback

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Message-ID: <202502050234.kRVRQjkS-lkp@intel.com>
Date: Wed, 5 Feb 2025 02:50:42 +0800
From: kernel test robot <lkp@...el.com>
To: Gerhard Engleder <gerhard@...leder-embedded.com>, andrew@...n.ch,
	hkallweit1@...il.com, linux@...linux.org.uk, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com
Cc: oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org,
	Gerhard Engleder <gerhard@...leder-embedded.com>,
	Oleksij Rempel <o.rempel@...gutronix.de>
Subject: Re: [PATCH net-next v4 6/7] net: selftests: Export
 net_test_phy_loopback_*

Hi Gerhard,

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/Gerhard-Engleder/net-phy-Allow-loopback-speed-selection-for-PHY-drivers/20250204-041619
base:   net-next/main
patch link:    https://lore.kernel.org/r/20250203191057.46351-7-gerhard%40engleder-embedded.com
patch subject: [PATCH net-next v4 6/7] net: selftests: Export net_test_phy_loopback_*
config: s390-randconfig-001-20250204 (https://download.01.org/0day-ci/archive/20250205/202502050234.kRVRQjkS-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250205/202502050234.kRVRQjkS-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202502050234.kRVRQjkS-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:30:12: warning: 'net_test_phy_loopback_tcp' defined but not used [-Wunused-function]
      30 | static int net_test_phy_loopback_tcp(struct net_device *ndev)
         |            ^~~~~~~~~~~~~~~~~~~~~~~~~
>> include/net/selftests.h:25:12: warning: 'net_test_phy_loopback_udp_mtu' defined but not used [-Wunused-function]
      25 | static int net_test_phy_loopback_udp_mtu(struct net_device *ndev)
         |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/net_test_phy_loopback_tcp +30 include/net/selftests.h

    24	
  > 25	static int net_test_phy_loopback_udp_mtu(struct net_device *ndev)
    26	{
    27		return 0;
    28	}
    29	
  > 30	static int net_test_phy_loopback_tcp(struct net_device *ndev)
    31	{
    32		return 0;
    33	}
    34	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki