tree: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master head: 2106efda785b55a8957efed9a52dfa28ee0d7280 commit: e968b1b3e9b86c4751faea019a5d340fee9e9142 [20/31] arp: Remove #ifdef CONFIG_PROC_FS config: hexagon-buildonly-randconfig-r006-20211123 (https://download.01.org/0day-ci/archive/20211123/202111232112.j3yZPaVD-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 49e3838145dff1ec91c2e67a2cb562775c8d2a08) 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://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit... git remote add net-next https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git git fetch --no-tags net-next master git checkout e968b1b3e9b86c4751faea019a5d340fee9e9142 # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): static const struct seq_operations arp_seq_ops = { ^ 1 warning generated. vim +/arp_seq_ops +1412 net/ipv4/arp.c ^1da177e4c3f415 Linus Torvalds 2005-04-16 1411 f690808e17925fc Stephen Hemminger 2007-03-12 @1412 static const struct seq_operations arp_seq_ops = { ^1da177e4c3f415 Linus Torvalds 2005-04-16 1413 .start = arp_seq_start, ^1da177e4c3f415 Linus Torvalds 2005-04-16 1414 .next = neigh_seq_next, ^1da177e4c3f415 Linus Torvalds 2005-04-16 1415 .stop = neigh_seq_stop, ^1da177e4c3f415 Linus Torvalds 2005-04-16 1416 .show = arp_seq_show, ^1da177e4c3f415 Linus Torvalds 2005-04-16 1417 }; ^1da177e4c3f415 Linus Torvalds 2005-04-16 1418 :::::: The code at line 1412 was first introduced by commit :::::: f690808e17925fc45217eb22e8670902ecee5c1b [NET]: make seq_operations const :::::: TO: Stephen Hemminger <shemminger(a)linux-foundation.org&gt; :::::: CC: David S. Miller <davem(a)sunset.davemloft.net&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org