Re: [PATCH] net: bridge: add a function that replays port and host-joined

Hi Vladimir,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.11 next-20210223]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Vladimir-Oltean/net-bridge-add-a-function-that-replays-port-and-host-joined/20210224-035325
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 3b9cdafb5358eb9f3790de2f728f765fef100731
config: powerpc-randconfig-r003-20210223 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476)
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
        # install powerpc cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        # https://github.com/0day-ci/linux/commit/ec816a5f014e0f0faacfe0462dcb1eeff54d8e50
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Vladimir-Oltean/net-bridge-add-a-function-that-replays-port-and-host-joined/20210224-035325
        git checkout ec816a5f014e0f0faacfe0462dcb1eeff54d8e50
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>

All errors (new ones prefixed by >>):

quoted

net/dsa/slave.c:1959:47: error: use of undeclared identifier 'dsa_slave_switchdev_blocking_notifier'

                           err = br_mdb_replay(info->upper_dev, dev, &dsa_slave_switchdev_blocking_notifier);
                                                                      ^
   1 error generated.


vim +/dsa_slave_switchdev_blocking_notifier +1959 net/dsa/slave.c

  1947	
  1948	static int dsa_slave_changeupper(struct net_device *dev,
  1949					 struct netdev_notifier_changeupper_info *info)
  1950	{
  1951		struct dsa_port *dp = dsa_slave_to_port(dev);
  1952		int err = NOTIFY_DONE;
  1953	
  1954		if (netif_is_bridge_master(info->upper_dev)) {
  1955			if (info->linking) {
  1956				err = dsa_port_bridge_join(dp, info->upper_dev);
  1957				if (!err)
  1958					dsa_bridge_mtu_normalization(dp);

1959				err = br_mdb_replay(info->upper_dev, dev, &dsa_slave_switchdev_blocking_notifier);

  1960				err = notifier_from_errno(err);
  1961			} else {
  1962				dsa_port_bridge_leave(dp, info->upper_dev);
  1963				err = NOTIFY_OK;
  1964			}
  1965		} else if (netif_is_lag_master(info->upper_dev)) {
  1966			if (info->linking) {
  1967				err = dsa_port_lag_join(dp, info->upper_dev,
  1968							info->upper_info);
  1969				if (err == -EOPNOTSUPP) {
  1970					NL_SET_ERR_MSG_MOD(info->info.extack,
  1971							   "Offloading not supported");
  1972					err = 0;
  1973				}
  1974				err = notifier_from_errno(err);
  1975			} else {
  1976				dsa_port_lag_leave(dp, info->upper_dev);
  1977				err = NOTIFY_OK;
  1978			}
  1979		} else if (is_hsr_master(info->upper_dev)) {
  1980			if (info->linking) {
  1981				err = dsa_port_hsr_join(dp, info->upper_dev);
  1982				if (err == -EOPNOTSUPP) {
  1983					NL_SET_ERR_MSG_MOD(info->info.extack,
  1984							   "Offloading not supported");
  1985					err = 0;
  1986				}
  1987				err = notifier_from_errno(err);
  1988			} else {
  1989				dsa_port_hsr_leave(dp, info->upper_dev);
  1990				err = NOTIFY_OK;
  1991			}
  1992		}
  1993	
  1994		return err;
  1995	}
  1996	

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