Hi, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.8-rc1 next-20200616] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/yunaixin03610-163-com/Adding-Hua... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git a5dc8300df75e8b8384b4c82225f1e4a0b4d9b55 config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce (this is a W=1 build): # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>, old ones prefixed by <<): drivers/net/ethernet/huawei/bma/cdev_drv/bma_cdev.c: In function 'cdev_param_get_statics': 97 | __kernel_time_t running_time = 0; | ^~~~~~~~~~~~~~~ | __kernel_timer_t In file included from drivers/net/ethernet/huawei/bma/cdev_drv/bma_cdev.c:23: 109 | struct timespec uptime; | ^~~~~~ 102 | GET_SYS_SECONDS(running_time); | ^~~~~~~~~~~~~~~ 110 | get_monotonic_boottime(&uptime); | ^~~~~~~~~~~~~~~~~~~~~~ 102 | GET_SYS_SECONDS(running_time); | ^~~~~~~~~~~~~~~ drivers/net/ethernet/huawei/bma/cdev_drv/../edma_drv/bma_include.h:109:19: warning: unused variable 'uptime' [-Wunused-variable] 109 | struct timespec uptime; | ^~~~~~ 102 | GET_SYS_SECONDS(running_time); | ^~~~~~~~~~~~~~~ 108 | len += sprintf(buf + len, "running_time :%luD %02lu:%02lu:%02lun", | ~~^ | | | long unsigned int | %u 109 | running_time / (SECONDS_PER_DAY), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | int drivers/net/ethernet/huawei/bma/cdev_drv/bma_cdev.c:108:52: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'int' [-Wformat=] 108 | len += sprintf(buf + len, "running_time :%luD %02lu:%02lu:%02lun", | ~~~~^ | | | long unsigned int | %02u drivers/net/ethernet/huawei/bma/cdev_drv/bma_cdev.c:108:58: warning: format '%lu' expects argument of type 'long unsigned int', but argument 5 has type 'int' [-Wformat=] 108 | len += sprintf(buf + len, "running_time :%luD %02lu:%02lu:%02lun", | ~~~~^ | | | long unsigned int | %02u drivers/net/ethernet/huawei/bma/cdev_drv/bma_cdev.c:108:64: warning: format '%lu' expects argument of type 'long unsigned int', but argument 6 has type 'int' [-Wformat=] 108 | len += sprintf(buf + len, "running_time :%luD %02lu:%02lu:%02lun", | ~~~~^ | | | long unsigned int | %02u In file included from drivers/net/ethernet/huawei/bma/cdev_drv/bma_cdev.c:23: drivers/net/ethernet/huawei/bma/cdev_drv/bma_cdev.c: In function 'bma_cdev_init': 109 | struct timespec uptime; | ^~~~~~ drivers/net/ethernet/huawei/bma/cdev_drv/bma_cdev.c:216:2: note: in expansion of macro 'GET_SYS_SECONDS' 216 | GET_SYS_SECONDS(g_cdev_set.init_time); | ^~~~~~~~~~~~~~~ drivers/net/ethernet/huawei/bma/cdev_drv/../edma_drv/bma_include.h:109:19: warning: unused variable 'uptime' [-Wunused-variable] 109 | struct timespec uptime; | ^~~~~~ drivers/net/ethernet/huawei/bma/cdev_drv/bma_cdev.c:216:2: note: in expansion of macro 'GET_SYS_SECONDS' 216 | GET_SYS_SECONDS(g_cdev_set.init_time); | ^~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +97 drivers/net/ethernet/huawei/bma/cdev_drv/bma_cdev.c 92 93 static int cdev_param_get_statics(char *buf, const struct kernel_param *kp) 94 { 95 int len = 0; 96 int i = 0; 98 99 if (!buf) 100 return 0; 101 103 running_time -= g_cdev_set.init_time; 104 len += sprintf(buf + len, 105 "============================CDEV_DRIVER_INFO=======================\n"); 106 len += sprintf(buf + len, "version :%s\n", CDEV_VERSION); 107 109 running_time / (SECONDS_PER_DAY), 110 running_time % (SECONDS_PER_DAY) / SECONDS_PER_HOUR, 111 running_time % SECONDS_PER_HOUR / SECONDS_PER_MINUTE, 112 running_time % SECONDS_PER_MINUTE); 113 114 for (i = 0; i < g_cdev_set.dev_num; i++) { 115 len += sprintf(buf + len, 116 "===================================================\n"); 117 len += sprintf(buf + len, "name :%s\n", 118 g_cdev_set.dev_list[i].dev_name); 119 len += 120 sprintf(buf + len, "dev_id :%08x\n", 121 g_cdev_set.dev_list[i].dev_id); 122 len += sprintf(buf + len, "type :%u\n", 123 g_cdev_set.dev_list[i].type); 124 len += sprintf(buf + len, "status :%s\n", 125 g_cdev_set.dev_list[i].s.open_status == 126 1 ? "open" : "close"); 127 len += sprintf(buf + len, "send_pkgs :%u\n", 128 g_cdev_set.dev_list[i].s.send_pkgs); 129 len += 130 sprintf(buf + len, "send_bytes:%u\n", 131 g_cdev_set.dev_list[i].s.send_bytes); 132 len += sprintf(buf + len, "send_failed_count:%u\n", 133 g_cdev_set.dev_list[i].s.send_failed_count); 134 len += sprintf(buf + len, "recv_pkgs :%u\n", 135 g_cdev_set.dev_list[i].s.recv_pkgs); 136 len += sprintf(buf + len, "recv_bytes:%u\n", 137 g_cdev_set.dev_list[i].s.recv_bytes); 138 len += sprintf(buf + len, "recv_failed_count:%u\n", 139 g_cdev_set.dev_list[i].s.recv_failed_count); 140 } 141 142 return len; 143 } 144 module_param_call(statistics, NULL, cdev_param_get_statics, &debug, 0444); 145 MODULE_PARM_DESC(statistics, "Statistics info of cdev driver,readonly"); 146 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org