tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: c11d28ab4a691736e30b49813fb801847bd44e83 commit: d639836ab3363f935a9a4336cb4ea3828d0437dd [8559/12102] net: qed: adding hw_err states and handling config: x86_64-fedora-25 (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): git checkout d639836ab3363f935a9a4336cb4ea3828d0437dd # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): drivers/net/ethernet/qlogic/qed/qed_hw.c: In function 'qed_hw_err_notify': << from drivers/net/ethernet/qlogic/qed/qed_hw.c:46: len = vsnprintf(buf, QED_HW_ERR_MAX_STR_SIZE, fmt, vl); ^~~ In file included from drivers/net/ethernet/qlogic/qed/qed.h:51:0, from drivers/net/ethernet/qlogic/qed/qed_hw.c:46: At top level: drivers/net/ethernet/qlogic/qed/qed_hsi.h:4421:18: warning: 'iro_arr' defined but not used [-Wunused-const-variable=] static const u32 iro_arr[] = { ^~~~~~~ vim +850 drivers/net/ethernet/qlogic/qed/qed_hw.c 839 840 void qed_hw_err_notify(struct qed_hwfn *p_hwfn, 841 struct qed_ptt *p_ptt, 842 enum qed_hw_err_type err_type, char *fmt, ...) 843 { 844 char buf[QED_HW_ERR_MAX_STR_SIZE]; 845 va_list vl; 846 int len; 847 848 if (fmt) { 849 va_start(vl, fmt); 851 va_end(vl); 852 853 if (len > QED_HW_ERR_MAX_STR_SIZE - 1) 854 len = QED_HW_ERR_MAX_STR_SIZE - 1; 855 856 DP_NOTICE(p_hwfn, "%s", buf); 857 } 858 859 /* Fan failure cannot be masked by handling of another HW error */ 860 if (p_hwfn->cdev->recov_in_prog && 861 err_type != QED_HW_ERR_FAN_FAIL) { 862 DP_VERBOSE(p_hwfn, 863 NETIF_MSG_DRV, 864 "Recovery is in progress. Avoid notifying about HW error %d.\n", 865 err_type); 866 return; 867 } 868 869 qed_hw_error_occurred(p_hwfn, err_type); 870 } 871 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org