Hi Nikolay,

I love your patch! Yet something to improve:

[auto build test ERROR on net-next/master]

url:    
https://github.com/0day-ci/linux/commits/Nikolay-Aleksandrov/net-bridge-convert-multicast-to-generic-rhashtable/20181206-163438
config: mips-rt305x_defconfig (attached as .config)
compiler: mipsel-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=mips 

All error/warnings (new ones prefixed by >>):

   In file included from net/bridge/br.c:24:0:
   net/bridge/br_private.h: In function 'br_mdb_hash_init':
>> net/bridge/br_private.h:821:1: warning: no return statement in function 
>> returning non-void [-Wreturn-type]
    }
    ^
--
   In file included from include/trace/events/bridge.h:10:0,
                    from net/bridge/br_fdb.c:28:
   include/trace/events/../../../net/bridge/br_private.h: In function 
'br_mdb_hash_init':
>> include/trace/events/../../../net/bridge/br_private.h:821:1: warning: no 
>> return statement in function returning non-void [-Wreturn-type]
    }
    ^
--
   In file included from net/bridge/br_device.c:23:0:
   net/bridge/br_private.h: In function 'br_mdb_hash_init':
>> net/bridge/br_private.h:821:1: warning: no return statement in function 
>> returning non-void [-Wreturn-type]
    }
    ^
   In file included from include/linux/timer.h:5:0,
                    from include/linux/netdevice.h:28,
                    from net/bridge/br_device.c:15:
   net/bridge/br_device.c: In function 'br_dev_setup':
>> net/bridge/br_device.c:439:23: error: 'struct net_bridge' has no member 
>> named 'mdb_list'; did you mean 'fdb_list'?
     INIT_HLIST_HEAD(&br->mdb_list);
                          ^
   include/linux/list.h:680:32: note: in definition of macro 'INIT_HLIST_HEAD'
    #define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL)
                                   ^~~
--
   In file included from net/bridge/br_netlink.c:21:0:
   net/bridge/br_private.h: In function 'br_mdb_hash_init':
>> net/bridge/br_private.h:821:1: warning: no return statement in function 
>> returning non-void [-Wreturn-type]
    }
    ^
   net/bridge/br_netlink.c: In function 'br_netlink_init':
>> net/bridge/br_netlink.c:1659:2: error: implicit declaration of function 
>> 'br_mdb_init'; did you mean 'br_fdb_init'? 
>> [-Werror=implicit-function-declaration]
     br_mdb_init();
     ^~~~~~~~~~~
     br_fdb_init
>> net/bridge/br_netlink.c:1670:2: error: implicit declaration of function 
>> 'br_mdb_uninit'; did you mean 'br_fdb_init'? 
>> [-Werror=implicit-function-declaration]
     br_mdb_uninit();
     ^~~~~~~~~~~~~
     br_fdb_init
   cc1: some warnings being treated as errors

vim +439 net/bridge/br_device.c

   415  
   416  void br_dev_setup(struct net_device *dev)
   417  {
   418          struct net_bridge *br = netdev_priv(dev);
   419  
   420          eth_hw_addr_random(dev);
   421          ether_setup(dev);
   422  
   423          dev->netdev_ops = &br_netdev_ops;
   424          dev->needs_free_netdev = true;
   425          dev->ethtool_ops = &br_ethtool_ops;
   426          SET_NETDEV_DEVTYPE(dev, &br_type);
   427          dev->priv_flags = IFF_EBRIDGE | IFF_NO_QUEUE;
   428  
   429          dev->features = COMMON_FEATURES | NETIF_F_LLTX | 
NETIF_F_NETNS_LOCAL |
   430                          NETIF_F_HW_VLAN_CTAG_TX | 
NETIF_F_HW_VLAN_STAG_TX;
   431          dev->hw_features = COMMON_FEATURES | NETIF_F_HW_VLAN_CTAG_TX |
   432                             NETIF_F_HW_VLAN_STAG_TX;
   433          dev->vlan_features = COMMON_FEATURES;
   434  
   435          br->dev = dev;
   436          spin_lock_init(&br->lock);
   437          INIT_LIST_HEAD(&br->port_list);
   438          INIT_HLIST_HEAD(&br->fdb_list);
 > 439          INIT_HLIST_HEAD(&br->mdb_list);

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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