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Date:   Mon, 13 Jul 2020 12:36:01 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
Cc:     kbuild-all@...ts.01.org, netdev@...r.kernel.org
Subject: [net-next:master 211/211] net/bridge/br_netlink_tunnel.c:271:26:
 error: implicit declaration of function 'br_vlan_can_enter_range'; did you
 mean

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head:   94339443686b36d3223bc032b7947267474e2679
commit: 94339443686b36d3223bc032b7947267474e2679 [211/211] net: bridge: notify on vlan tunnel changes done via the old api
config: s390-defconfig (attached as .config)
compiler: s390-linux-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
        git checkout 94339443686b36d3223bc032b7947267474e2679
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390 

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

All errors (new ones prefixed by >>):

   net/bridge/br_netlink_tunnel.c:29:6: warning: no previous prototype for 'vlan_tunid_inrange' [-Wmissing-prototypes]
      29 | bool vlan_tunid_inrange(const struct net_bridge_vlan *v_curr,
         |      ^~~~~~~~~~~~~~~~~~
   net/bridge/br_netlink_tunnel.c:196:5: warning: no previous prototype for 'br_vlan_tunnel_info' [-Wmissing-prototypes]
     196 | int br_vlan_tunnel_info(const struct net_bridge_port *p, int cmd,
         |     ^~~~~~~~~~~~~~~~~~~
   net/bridge/br_netlink_tunnel.c: In function '__vlan_tunnel_handle_range':
>> net/bridge/br_netlink_tunnel.c:271:26: error: implicit declaration of function 'br_vlan_can_enter_range'; did you mean 'br_vlan_valid_range'? [-Werror=implicit-function-declaration]
     271 |  if (v && curr_change && br_vlan_can_enter_range(v, *v_end)) {
         |                          ^~~~~~~~~~~~~~~~~~~~~~~
         |                          br_vlan_valid_range
   cc1: some warnings being treated as errors

vim +271 net/bridge/br_netlink_tunnel.c

   252	
   253	/* send a notification if v_curr can't enter the range and start a new one */
   254	static void __vlan_tunnel_handle_range(const struct net_bridge_port *p,
   255					       struct net_bridge_vlan **v_start,
   256					       struct net_bridge_vlan **v_end,
   257					       int v_curr, bool curr_change)
   258	{
   259		struct net_bridge_vlan_group *vg;
   260		struct net_bridge_vlan *v;
   261	
   262		vg = nbp_vlan_group(p);
   263		if (!vg)
   264			return;
   265	
   266		v = br_vlan_find(vg, v_curr);
   267	
   268		if (!*v_start)
   269			goto out_init;
   270	
 > 271		if (v && curr_change && br_vlan_can_enter_range(v, *v_end)) {
   272			*v_end = v;
   273			return;
   274		}
   275	
   276		br_vlan_notify(p->br, p, (*v_start)->vid, (*v_end)->vid, RTM_NEWVLAN);
   277	out_init:
   278		/* we start a range only if there are any changes to notify about */
   279		*v_start = curr_change ? v : NULL;
   280		*v_end = *v_start;
   281	}
   282	

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

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