Hi Divya, I love your patch! Perhaps something to improve: [auto build test WARNING on linux/master] [also build test WARNING on linus/master v5.9-rc5 next-20200916] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Divya-Bharathi/Introduce-support... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git bcf876870b95592b52519ed4aafcf9d95999bc9c config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # save the attached .config to linux build tree make W=1 ARCH=x86_64 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 >>): In file included from drivers/platform/x86/dell-wmi-enum-attributes.c:9: 53 | int get_##type##_instance_id(struct kobject *kobj) \ | ^~~~ drivers/platform/x86/dell-wmi-enum-attributes.c:28:1: note: in expansion of macro 'get_instance_id' 28 | get_instance_id(enumeration); | ^~~~~~~~~~~~~~~ 57 | int validate_enumeration_input(int instance_id, const char *buf) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from drivers/platform/x86/dell-wmi-int-attributes.c:9: 53 | int get_##type##_instance_id(struct kobject *kobj) \ | ^~~~ drivers/platform/x86/dell-wmi-int-attributes.c:29:1: note: in expansion of macro 'get_instance_id' 29 | get_instance_id(integer); | ^~~~~~~~~~~~~~~ 58 | int validate_integer_input(int instance_id, const char *buf) | ^~~~~~~~~~~~~~~~~~~~~~ -- In file included from drivers/platform/x86/dell-wmi-string-attributes.c:9: 53 | int get_##type##_instance_id(struct kobject *kobj) \ | ^~~~ drivers/platform/x86/dell-wmi-string-attributes.c:28:1: note: in expansion of macro 'get_instance_id' 28 | get_instance_id(str); | ^~~~~~~~~~~~~~~ 57 | int validate_str_input(int instance_id, const char *buf) | ^~~~~~~~~~~~~~~~~~ -- In file included from drivers/platform/x86/dell-wmi-passobj-attributes.c:9: 53 | int get_##type##_instance_id(struct kobject *kobj) \ | ^~~~ drivers/platform/x86/dell-wmi-passobj-attributes.c:24:1: note: in expansion of macro 'get_instance_id' 24 | get_instance_id(po); | ^~~~~~~~~~~~~~~ # https://github.com/0day-ci/linux/commit/4809f4528720c1aa027b717b66960848b... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Divya-Bharathi/Introduce-support-for-Systems-Management-Driver-over-WMI-for-Dell-Systems/20200917-145838 git checkout 4809f4528720c1aa027b717b66960848bdae7b58 vim +/get_enumeration_instance_id +53 drivers/platform/x86/dell-wmi-sysman-attributes.h 51 52 #define get_instance_id(type) \ 54 { \ 55 int i; \ 56 for (i = 0; i <= type##_instances_count; i++) { \ 57 if (!(strcmp(kobj->name, type##_data[i].attribute_name))) \ 58 return i; \ 59 } \ 60 return -EIO; \ 61 } 62 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org