Hi Bart, I love your patch! Perhaps something to improve: [auto build test WARNING on mkp-scsi/for-next] [also build test WARNING on jejb-scsi/for-next s390/features linus/master v5.15-rc5 next-20211013] [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/Bart-Van-Assche/Register-SCSI-sy... base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next config: x86_64-randconfig-s021-20211012 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/0day-ci/linux/commit/2b7f54c13f8268dd46abeae708e58ce18... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Bart-Van-Assche/Register-SCSI-sysfs-attributes-earlier/20211013-073856 git checkout 2b7f54c13f8268dd46abeae708e58ce1811ce52a # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/scsi/bfa/ 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/scsi/bfa/bfad_attr.c:66:39: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] node_name @@ got restricted __be64 [usertype] @@ drivers/scsi/bfa/bfad_attr.c:66:39: sparse: expected unsigned long long [usertype] node_name drivers/scsi/bfa/bfad_attr.c:66:39: sparse: got restricted __be64 [usertype] drivers/scsi/bfa/bfad_attr.c:92:39: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] port_name @@ got restricted __be64 [usertype] @@ drivers/scsi/bfa/bfad_attr.c:92:39: sparse: expected unsigned long long [usertype] port_name drivers/scsi/bfa/bfad_attr.c:92:39: sparse: got restricted __be64 [usertype] drivers/scsi/bfa/bfad_attr.c:248:36: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] fabric_name @@ got restricted __be64 [usertype] @@ drivers/scsi/bfa/bfad_attr.c:248:36: sparse: expected unsigned long long [usertype] fabric_name drivers/scsi/bfa/bfad_attr.c:248:36: sparse: got restricted __be64 [usertype] Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org