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Date:   Sun, 31 Jul 2022 03:58:01 +0800
From:   kernel test robot <lkp@intel.com>
To:     Sevinj Aghayeva <sevinj.aghayeva@gmail.com>, aroulin@nvidia.com
Cc:     kbuild-all@lists.01.org, sbrivio@redhat.com, roopa@nvidia.com,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Nikolay Aleksandrov <razor@blackwall.org>,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        bridge@lists.linux-foundation.org,
        Sevinj Aghayeva <sevinj.aghayeva@gmail.com>
Subject: Re: [PATCH net-next 2/3] net: 8021q: fix bridge binding behavior for
 vlan interfaces
Message-ID: <202207310332.cSMhECu3-lkp@intel.com>
References: <2b09fbacde7e8818f4ada4829818fdf015e36b58.1659195179.git.sevinj.aghayeva@gmail.com>
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In-Reply-To: <2b09fbacde7e8818f4ada4829818fdf015e36b58.1659195179.git.sevinj.aghayeva@gmail.com>
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Hi Sevinj,

Thank you for the patch! Yet something to improve:

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

url:    https://github.com/intel-lab-lkp/linux/commits/Sevinj-Aghayeva/net-vlan-fix-bridge-binding-behavior-and-add-selftests/20220731-000455
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 63757225a93353bc2ce4499af5501eabdbbf23f9
config: openrisc-randconfig-r031-20220729 (https://download.01.org/0day-ci/archive/20220731/202207310332.cSMhECu3-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/993166d2a01876dc92807f74b3d72f63d25c8227
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Sevinj-Aghayeva/net-vlan-fix-bridge-binding-behavior-and-add-selftests/20220731-000455
        git checkout 993166d2a01876dc92807f74b3d72f63d25c8227
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=openrisc SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   `.exit.text' referenced in section `.data' of sound/soc/codecs/tlv320adc3xxx.o: defined in discarded section `.exit.text' of sound/soc/codecs/tlv320adc3xxx.o
   or1k-linux-ld: net/8021q/vlan_dev.o: in function `vlan_dev_change_flags':
>> net/8021q/vlan_dev.c:249: undefined reference to `br_vlan_upper_change'
   net/8021q/vlan_dev.c:249:(.text+0x1d88): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `br_vlan_upper_change'
>> or1k-linux-ld: net/8021q/vlan_dev.c:251: undefined reference to `br_vlan_upper_change'
   net/8021q/vlan_dev.c:251:(.text+0x1dc4): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `br_vlan_upper_change'


vim +249 net/8021q/vlan_dev.c

   211	
   212	/* Flags are defined in the vlan_flags enum in
   213	 * include/uapi/linux/if_vlan.h file.
   214	 */
   215	int vlan_dev_change_flags(struct net_device *dev, u32 flags, u32 mask)
   216	{
   217		struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
   218		u32 old_flags = vlan->flags;
   219		struct net_device *br_dev;
   220	
   221		if (mask & ~(VLAN_FLAG_REORDER_HDR | VLAN_FLAG_GVRP |
   222			     VLAN_FLAG_LOOSE_BINDING | VLAN_FLAG_MVRP |
   223			     VLAN_FLAG_BRIDGE_BINDING))
   224			return -EINVAL;
   225	
   226		vlan->flags = (old_flags & ~mask) | (flags & mask);
   227	
   228		if (!netif_running(dev))
   229			return 0;
   230	
   231		if ((vlan->flags ^ old_flags) & VLAN_FLAG_GVRP) {
   232			if (vlan->flags & VLAN_FLAG_GVRP)
   233				vlan_gvrp_request_join(dev);
   234			else
   235				vlan_gvrp_request_leave(dev);
   236		}
   237	
   238		if ((vlan->flags ^ old_flags) & VLAN_FLAG_MVRP) {
   239			if (vlan->flags & VLAN_FLAG_MVRP)
   240				vlan_mvrp_request_join(dev);
   241			else
   242				vlan_mvrp_request_leave(dev);
   243		}
   244	
   245		if ((vlan->flags ^ old_flags) & VLAN_FLAG_BRIDGE_BINDING &&
   246		    netif_is_bridge_port(dev)) {
   247			br_dev = vlan->real_dev;
   248			if (vlan->flags & VLAN_FLAG_BRIDGE_BINDING)
 > 249				br_vlan_upper_change(br_dev, dev, true);
   250			else
 > 251				br_vlan_upper_change(br_dev, dev, false);
   252		}
   253	
   254		return 0;
   255	}
   256	

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