Hi "Martin, I love your patch! Perhaps something to improve: [auto build test WARNING on scsi/for-next] [also build test WARNING on mkp-scsi/for-next next-20210806] [cannot apply to v5.14-rc4] [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/Martin-K-Petersen/scsi-core-Add-helper-to-return-number-of-logical-blocks-in-a-request/20210806-130031 base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next config: arm64-randconfig-s032-20210806 (attached as .config) compiler: aarch64-linux-gcc (GCC) 10.3.0 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: v0.6.3-348-gf0e6938b-dirty # https://github.com/0day-ci/linux/commit/953afbb2ac9054f86b27ff634dbaf8311e27b6aa git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Martin-K-Petersen/scsi-core-Add-helper-to-return-number-of-logical-blocks-in-a-request/20210806-130031 git checkout 953afbb2ac9054f86b27ff634dbaf8311e27b6aa # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/scsi/mpt3sas/mpt3sas_scsih.c:5075:39: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [usertype] EEDPBlockSize @@ got unsigned int @@ drivers/scsi/mpt3sas/mpt3sas_scsih.c:5075:39: sparse: expected restricted __le16 [usertype] EEDPBlockSize drivers/scsi/mpt3sas/mpt3sas_scsih.c:5075:39: sparse: got unsigned int drivers/scsi/mpt3sas/mpt3sas_scsih.c:10843:25: sparse: sparse: cast to restricted __le32 drivers/scsi/mpt3sas/mpt3sas_scsih.c:10843:25: sparse: sparse: cast to restricted __le32 drivers/scsi/mpt3sas/mpt3sas_scsih.c:10843:25: sparse: sparse: cast to restricted __le32 drivers/scsi/mpt3sas/mpt3sas_scsih.c:10843:25: sparse: sparse: cast to restricted __le32 drivers/scsi/mpt3sas/mpt3sas_scsih.c:10843:25: sparse: sparse: cast to restricted __le32 drivers/scsi/mpt3sas/mpt3sas_scsih.c:10843:25: sparse: sparse: cast to restricted __le32 vim +5075 drivers/scsi/mpt3sas/mpt3sas_scsih.c 5036 5037 /** 5038 * _scsih_setup_eedp - setup MPI request for EEDP transfer 5039 * @ioc: per adapter object 5040 * @scmd: pointer to scsi command object 5041 * @mpi_request: pointer to the SCSI_IO request message frame 5042 * 5043 * Supporting protection 1 and 3. 5044 */ 5045 static void 5046 _scsih_setup_eedp(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, 5047 Mpi25SCSIIORequest_t *mpi_request) 5048 { 5049 u16 eedp_flags; 5050 unsigned char prot_op = scsi_get_prot_op(scmd); 5051 unsigned char prot_type = scsi_get_prot_type(scmd); 5052 Mpi25SCSIIORequest_t *mpi_request_3v = 5053 (Mpi25SCSIIORequest_t *)mpi_request; 5054 5055 if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL) 5056 return; 5057 5058 if (prot_op == SCSI_PROT_READ_STRIP) 5059 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP; 5060 else if (prot_op == SCSI_PROT_WRITE_INSERT) 5061 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP; 5062 else 5063 return; 5064 5065 if (scmd->prot_op & SCSI_PROT_GUARD_CHECK) 5066 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; 5067 5068 if (scmd->prot_op & SCSI_PROT_REF_CHECK) { 5069 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | 5070 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG; 5071 mpi_request->CDB.EEDP32.PrimaryReferenceTag = 5072 cpu_to_be32(scsi_prot_ref_tag(scmd)); 5073 } 5074 > 5075 mpi_request_3v->EEDPBlockSize = scsi_prot_interval(scmd); 5076 5077 if (ioc->is_gen35_ioc) 5078 eedp_flags |= MPI25_SCSIIO_EEDPFLAGS_APPTAG_DISABLE_MODE; 5079 mpi_request->EEDPFlags = cpu_to_le16(eedp_flags); 5080 } 5081 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org