Re: [RFC PATCH net-next 3/3] net: dsa: listen for SWITCHDEV_{FDB, DEL}_ADD_TO_DEVICE on foreign bridge neighbors

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

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Hi Vladimir,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Vladimir-Oltean/Offload-learnt-bridge-addresses-to-DSA/20201109-090521
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git c9448e828d113cd7eafe77c414127e877ca88b20
config: c6x-randconfig-r015-20201109 (attached as .config)
compiler: c6x-elf-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/307255d137629e3c55903902af882231d1b5cb56
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Vladimir-Oltean/Offload-learnt-bridge-addresses-to-DSA/20201109-090521
        git checkout 307255d137629e3c55903902af882231d1b5cb56
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=c6x 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> net/dsa/slave.c:2134:24: warning: no previous prototype for 'dsa_slave_dev_lower_find' [-Wmissing-prototypes]
    2134 | struct dsa_slave_priv *dsa_slave_dev_lower_find(struct net_device *dev)
         |                        ^~~~~~~~~~~~~~~~~~~~~~~~

vim +/dsa_slave_dev_lower_find +2134 net/dsa/slave.c

  2133	
> 2134	struct dsa_slave_priv *dsa_slave_dev_lower_find(struct net_device *dev)
  2135	{
  2136		struct netdev_nested_priv priv = {
  2137			.data = NULL,
  2138		};
  2139	
  2140		netdev_walk_all_lower_dev_rcu(dev, dsa_lower_dev_walk, &priv);
  2141	
  2142		return priv.data;
  2143	}
  2144	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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