tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: b4f20b70784aabf97e1727561e775500f6e294c7 commit: fc4243b8de8b4e7170f07f2660dcab3f8ecda0e9 [5835/7299] net: hns3: refactor flow director configuration config: powerpc64-randconfig-r032-20210326 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project f490a5969bd52c8a48586f134ff8f02ccbb295b3) 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 powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=fc4243b8de8b4e7170f07f2660dcab3f8ecda0e9 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 fc4243b8de8b4e7170f07f2660dcab3f8ecda0e9 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c:6884:1: error: non-void function does not return a value [-Werror,-Wreturn-type] } ^ 1 error generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for LEDS_TRIGGER_DISK Depends on NEW_LEDS && LEDS_TRIGGERS && (IDE_GD_ATA || ATA Selected by - ADB_PMU_LED_DISK && MACINTOSH_DRIVERS && ADB_PMU_LED && LEDS_CLASS vim +6884 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c d93ed94fbeaf3b Jian Shen 2019-05-24 6850 efe3fa45f770f1 Guojia Liao 2020-07-28 6851 /* make sure being called after lock up with fd_rule_lock */ fc4243b8de8b4e Jian Shen 2021-03-22 6852 static int hclge_clear_arfs_rules(struct hclge_dev *hdev) d93ed94fbeaf3b Jian Shen 2019-05-24 6853 { d93ed94fbeaf3b Jian Shen 2019-05-24 6854 #ifdef CONFIG_RFS_ACCEL fc4243b8de8b4e Jian Shen 2021-03-22 6855 struct hclge_fd_rule *rule; fc4243b8de8b4e Jian Shen 2021-03-22 6856 struct hlist_node *node; fc4243b8de8b4e Jian Shen 2021-03-22 6857 int ret; fc4243b8de8b4e Jian Shen 2021-03-22 6858 fc4243b8de8b4e Jian Shen 2021-03-22 6859 if (hdev->fd_active_type != HCLGE_FD_ARFS_ACTIVE) fc4243b8de8b4e Jian Shen 2021-03-22 6860 return 0; fc4243b8de8b4e Jian Shen 2021-03-22 6861 fc4243b8de8b4e Jian Shen 2021-03-22 6862 hlist_for_each_entry_safe(rule, node, &hdev->fd_rule_list, rule_node) { fc4243b8de8b4e Jian Shen 2021-03-22 6863 switch (rule->state) { fc4243b8de8b4e Jian Shen 2021-03-22 6864 case HCLGE_FD_TO_DEL: fc4243b8de8b4e Jian Shen 2021-03-22 6865 case HCLGE_FD_ACTIVE: fc4243b8de8b4e Jian Shen 2021-03-22 6866 ret = hclge_fd_tcam_config(hdev, HCLGE_FD_STAGE_1, true, fc4243b8de8b4e Jian Shen 2021-03-22 6867 rule->location, NULL, false); fc4243b8de8b4e Jian Shen 2021-03-22 6868 if (ret) fc4243b8de8b4e Jian Shen 2021-03-22 6869 return ret; fc4243b8de8b4e Jian Shen 2021-03-22 6870 fallthrough; fc4243b8de8b4e Jian Shen 2021-03-22 6871 case HCLGE_FD_TO_ADD: fc4243b8de8b4e Jian Shen 2021-03-22 6872 hclge_fd_dec_rule_cnt(hdev, rule->location); fc4243b8de8b4e Jian Shen 2021-03-22 6873 hlist_del(&rule->rule_node); fc4243b8de8b4e Jian Shen 2021-03-22 6874 kfree(rule); fc4243b8de8b4e Jian Shen 2021-03-22 6875 break; fc4243b8de8b4e Jian Shen 2021-03-22 6876 default: fc4243b8de8b4e Jian Shen 2021-03-22 6877 break; fc4243b8de8b4e Jian Shen 2021-03-22 6878 } fc4243b8de8b4e Jian Shen 2021-03-22 6879 } fc4243b8de8b4e Jian Shen 2021-03-22 6880 hclge_sync_fd_state(hdev); d93ed94fbeaf3b Jian Shen 2019-05-24 6881 fc4243b8de8b4e Jian Shen 2021-03-22 6882 return 0; d93ed94fbeaf3b Jian Shen 2019-05-24 6883 #endif d93ed94fbeaf3b Jian Shen 2019-05-24 @6884 } d93ed94fbeaf3b Jian Shen 2019-05-24 6885 :::::: The code at line 6884 was first introduced by commit :::::: d93ed94fbeaf3bf5ed16b57574dbb48ab7f7e41a net: hns3: add aRFS support for PF :::::: TO: Jian Shen :::::: CC: David S. Miller --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org