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Date: Thu, 21 Apr 2022 22:37:06 +0800 From: kernel test robot <lkp@...el.com> To: Yajun Deng <yajun.deng@...ux.dev> Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org Subject: net/ipv4/arp.c:1412:36: warning: unused variable 'arp_seq_ops' Hi Yajun, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b253435746d9a4a701b5f09211b9c14d3370d0da commit: e968b1b3e9b86c4751faea019a5d340fee9e9142 arp: Remove #ifdef CONFIG_PROC_FS date: 5 months ago config: hexagon-randconfig-r045-20220420 (https://download.01.org/0day-ci/archive/20220421/202204212201.GQb844HH-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project bac6cd5bf85669e3376610cfc4c4f9ca015e7b9b) 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/torvalds/linux.git/commit/?id=e968b1b3e9b86c4751faea019a5d340fee9e9142 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout e968b1b3e9b86c4751faea019a5d340fee9e9142 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash net/ipv4/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@...el.com> All warnings (new ones prefixed by >>): >> net/ipv4/arp.c:1412:36: warning: unused variable 'arp_seq_ops' [-Wunused-const-variable] static const struct seq_operations arp_seq_ops = { ^ 1 warning generated. vim +/arp_seq_ops +1412 net/ipv4/arp.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 1411 f690808e17925f Stephen Hemminger 2007-03-12 @1412 static const struct seq_operations arp_seq_ops = { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1413 .start = arp_seq_start, ^1da177e4c3f41 Linus Torvalds 2005-04-16 1414 .next = neigh_seq_next, ^1da177e4c3f41 Linus Torvalds 2005-04-16 1415 .stop = neigh_seq_stop, ^1da177e4c3f41 Linus Torvalds 2005-04-16 1416 .show = arp_seq_show, ^1da177e4c3f41 Linus Torvalds 2005-04-16 1417 }; ^1da177e4c3f41 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@...ux-foundation.org> :::::: CC: David S. Miller <davem@...set.davemloft.net> -- 0-DAY CI Kernel Test Service https://01.org/lkp
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