Hi Andy, I love your patch! Yet something to improve: [auto build test ERROR on usb/usb-testing] [also build test ERROR on jkirsher-next-queue/dev-queue linuxtv-media/master staging/staging-testing v5.9-rc1 next-20200817] [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/Andy-Shevchenko/byteorder-Introd... base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: nios2-allyesconfig (attached as .config) compiler: nios2-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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2 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 >>): drivers/net/wireless/rndis_wlan.c: In function 'rndis_set_config_parameter': 907 | cpu_to_le16_array(unibuf, param, param_len / sizeof(__le16)); | ^~~~~ | | | char * In file included from include/linux/byteorder/little_endian.h:11, from arch/nios2/include/uapi/asm/byteorder.h:21, from include/asm-generic/bitops/le.h:6, from include/asm-generic/bitops.h:36, from ./arch/nios2/include/generated/asm/bitops.h:1, from include/linux/bitops.h:29, from include/linux/kernel.h:12, from include/linux/list.h:9, from include/linux/module.h:12, from drivers/net/wireless/rndis_wlan.c:16: include/linux/byteorder/generic.h:159:62: note: expected 'const u16 *' {aka 'const short unsigned int *'} but argument is of type 'char *' 159 | static inline void cpu_to_le16_array(__le16 *dst, const u16 *src, size_t len) | ~~~~~~~~~~~^~~ cc1: some warnings being treated as errors # https://github.com/0day-ci/linux/commit/9ad6b9bbb11c203d62f21fbf7101b8c04... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Andy-Shevchenko/byteorder-Introduce-cpu_to_le16_array-and-le16_to_cpu_array/20200818-024849 git checkout 9ad6b9bbb11c203d62f21fbf7101b8c04aaea958 vim +/cpu_to_le16_array +907 drivers/net/wireless/rndis_wlan.c 891 892 if (value_type == 2) 893 netdev_dbg(dev->net, "setting config parameter: %s, value: %s\n", 894 param, (u8 *)value); 895 else 896 netdev_dbg(dev->net, "setting config parameter: %s, value: %d\n", 897 param, *(u32 *)value); 898 899 infobuf->name_offs = cpu_to_le32(sizeof(*infobuf)); 900 infobuf->name_length = cpu_to_le32(param_len); 901 infobuf->type = cpu_to_le32(value_type); 902 infobuf->value_offs = cpu_to_le32(sizeof(*infobuf) + param_len); 903 infobuf->value_length = cpu_to_le32(value_len); 904 905 /* simple string to unicode string conversion */ 906 unibuf = (void *)infobuf + sizeof(*infobuf); 908 909 if (value_type == 2) { 910 unibuf = (void *)infobuf + sizeof(*infobuf) + param_len; 911 cpu_to_le16_array(unibuf, value, value_len / sizeof(__le16)); 912 } else { 913 dst_value = (void *)infobuf + sizeof(*infobuf) + param_len; 914 *dst_value = cpu_to_le32(*(u32 *)value); 915 } 916 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org