tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: cd557f1c605fc5a2c0eb0b540610f50dc67dd849 commit: a3c02e769efe66dce5e2c716862b60c8d44d191e [2711/3150] net: bridge: mcast: split multicast router state for IPv4 and IPv6 config: x86_64-randconfig-r015-20210514 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 425781bce01f2f1d5f553d3b2bf9ebbd6e15068c) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=a3c02e769efe66dce5e2c716862b60c8d44d191e git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout a3c02e769efe66dce5e2c716862b60c8d44d191e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Note: the linux-next/master HEAD cd557f1c605fc5a2c0eb0b540610f50dc67dd849 builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): >> net/bridge/br_multicast.c:1743:3: error: implicit declaration of function 'br_ip6_multicast_add_router' [-Werror,-Wimplicit-function-declaration] br_ip6_multicast_add_router(br, port); ^ net/bridge/br_multicast.c:1743:3: note: did you mean 'br_ip4_multicast_add_router'? net/bridge/br_multicast.c:54:13: note: 'br_ip4_multicast_add_router' declared here static void br_ip4_multicast_add_router(struct net_bridge *br, ^ net/bridge/br_multicast.c:2804:13: error: static declaration of 'br_ip6_multicast_add_router' follows non-static declaration static void br_ip6_multicast_add_router(struct net_bridge *br, ^ net/bridge/br_multicast.c:1743:3: note: previous implicit declaration is here br_ip6_multicast_add_router(br, port); ^ 2 errors generated. vim +/br_ip6_multicast_add_router +1743 net/bridge/br_multicast.c 1729 1730 static void __br_multicast_enable_port(struct net_bridge_port *port) 1731 { 1732 struct net_bridge *br = port->br; 1733 1734 if (!br_opt_get(br, BROPT_MULTICAST_ENABLED) || !netif_running(br->dev)) 1735 return; 1736 1737 br_multicast_enable(&port->ip4_own_query); 1738 #if IS_ENABLED(CONFIG_IPV6) 1739 br_multicast_enable(&port->ip6_own_query); 1740 #endif 1741 if (port->multicast_router == MDB_RTR_TYPE_PERM) { 1742 br_ip4_multicast_add_router(br, port); > 1743 br_ip6_multicast_add_router(br, port); 1744 } 1745 } 1746 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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