tree: https://github.com/0day-ci/linux/commits/UPDATE-20201019-112134/Srinivasa... head: 6af27df93ddca3819f37f2c80554f72236d5043f commit: 6af27df93ddca3819f37f2c80554f72236d5043f [1/1] wireless: Initial driver submission for pureLiFi STA devices config: m68k-allmodconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 9.3.0 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://github.com/0day-ci/linux/commit/6af27df93ddca3819f37f2c80554f7223... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review UPDATE-20201019-112134/Srinivasan-Raju/wireless-Initial-driver-submission-for-pureLiFi-STA-devices/20201016-144105 git checkout 6af27df93ddca3819f37f2c80554f72236d5043f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from include/linux/kernel.h:11, from drivers/net/wireless/purelifi/usb.c:3: include/linux/scatterlist.h: In function 'sg_set_buf': arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra] 169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) | ^~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~ include/linux/scatterlist.h:143:10: note: in expansion of macro 'virt_addr_valid' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~~~~~~~~~~ In file included from include/uapi/linux/posix_types.h:5, from include/uapi/linux/types.h:14, from include/linux/types.h:6, from include/linux/limits.h:6, from include/linux/kernel.h:7, from drivers/net/wireless/purelifi/usb.c:3: drivers/net/wireless/purelifi/usb.c: At top level: 8 | #define NULL ((void *)0) | ^ drivers/net/wireless/purelifi/usb.c:1503:17: note: in expansion of macro 'NULL' 1503 | #define suspend NULL | ^~~~ drivers/net/wireless/purelifi/usb.c:1515:3: note: in expansion of macro 'suspend' 1515 | .suspend = suspend, | ^~~~~~~ 1516 | .resume = resume, | ^ drivers/net/wireless/purelifi/usb.c:1508:35: note: to match this '{' 1508 | static struct usb_driver driver = { | ^ drivers/net/wireless/purelifi/usb.c:1457:29: warning: 'get_purelifi_usb' defined but not used [-Wunused-function] 1457 | static struct purelifi_usb *get_purelifi_usb(struct usb_interface *intf) | ^~~~~~~~~~~~~~~~ vim +1516 drivers/net/wireless/purelifi/usb.c 1502 1504 #define resume NULL 1505 1506 #endif 1507 1508 static struct usb_driver driver = { 1509 .name = KBUILD_MODNAME, 1510 .id_table = usb_ids, 1511 .probe = probe, 1512 .disconnect = disconnect, 1513 .pre_reset = pre_reset, 1514 .post_reset = post_reset, 1515 .suspend = suspend, 1517 .disable_hub_initiated_lpm = 1, 1518 }; 1519 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org