[kbuild-all] Re: [PATCH] nvmet: fix mismatched serial

Hi zhenwei, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on hch-configfs/for-next] [also build test WARNING on linux/master linus/master v5.10-rc7 next-20201211] [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/zhenwei-pi/nvmet-fix-mismatched-... base: git://git.infradead.org/users/hch/configfs.git for-next config: openrisc-randconfig-s031-20201209 (attached as .config) compiler: or1k-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-179-ga00755aa-dirty # https://github.com/0day-ci/linux/commit/57f71eb4dff3b1b3ecef2f0368f710025... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review zhenwei-pi/nvmet-fix-mismatched-serial/20201211-150008 git checkout 57f71eb4dff3b1b3ecef2f0368f710025c5d47f2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=openrisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; "sparse warnings: (new ones prefixed by >>)" drivers/nvme/target/configfs.c:1012:33: sparse: expected unsigned long long [usertype] serial drivers/nvme/target/configfs.c:1012:33: sparse: got restricted __be64 [usertype] vim +1000 drivers/nvme/target/configfs.c 994 995 static ssize_t nvmet_subsys_attr_serial_show(struct config_item *item, 996 char *page) 997 { 998 struct nvmet_subsys *subsys = to_subsys(item); 999 1001 } 1002 1003 static ssize_t nvmet_subsys_attr_serial_store(struct config_item *item, 1004 const char *page, size_t count) 1005 { 1006 u64 serial; 1007 1008 if (sscanf(page, "%llx\n", &serial) != 1) 1009 return -EINVAL; 1010 1011 down_write(&nvmet_config_sem); 1013 up_write(&nvmet_config_sem); 1014 1015 return count; 1016 } 1017 CONFIGFS_ATTR(nvmet_subsys_, attr_serial); 1018 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org