drivers/scsi/mpt3sas/mpt3sas_ctl.c:678:38: sparse: sparse: incorrect type in assignment (different base types)

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   187d0801404f415f22c0b31531982c7ea97fa341
commit: c72be4b5bb7cb1a9059d0b845f87223b52399cc2 scsi: mpt3sas: Add support for MCTP Passthrough commands
date:   10 months ago
config: i386-randconfig-r123-20251212 (https://download.01.org/0day-ci/archive/20251213/202512130428.lGbwgxgy-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251213/202512130428.lGbwgxgy-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512130428.lGbwgxgy-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/scsi/mpt3sas/mpt3sas_ctl.c:678:38: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] H2DLength @@     got int data_out_sz @@
   drivers/scsi/mpt3sas/mpt3sas_ctl.c:678:38: sparse:     expected restricted __le32 [usertype] H2DLength
   drivers/scsi/mpt3sas/mpt3sas_ctl.c:678:38: sparse:     got int data_out_sz
   drivers/scsi/mpt3sas/mpt3sas_ctl.c:679:38: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] D2HLength @@     got int data_in_sz @@
   drivers/scsi/mpt3sas/mpt3sas_ctl.c:679:38: sparse:     expected restricted __le32 [usertype] D2HLength
   drivers/scsi/mpt3sas/mpt3sas_ctl.c:679:38: sparse:     got int data_in_sz
   drivers/scsi/mpt3sas/mpt3sas_ctl.c:2862:40: sparse: sparse: Using plain integer as NULL pointer

vim +678 drivers/scsi/mpt3sas/mpt3sas_ctl.c

   657	
   658	/**
   659	 * _ctl_send_mctp_passthru_req - Send an MCTP passthru request
   660	 * @ioc: per adapter object
   661	 * @mctp_passthru_req: MPI mctp passhthru request from caller
   662	 * @psge: pointer to the H2DSGL
   663	 * @data_out_dma: DMA buffer for H2D SGL
   664	 * @data_out_sz: H2D length
   665	 * @data_in_dma: DMA buffer for D2H SGL
   666	 * @data_in_sz: D2H length
   667	 * @smid: SMID to submit the request
   668	 *
   669	 */
   670	static void
   671	_ctl_send_mctp_passthru_req(
   672		struct MPT3SAS_ADAPTER *ioc,
   673		Mpi26MctpPassthroughRequest_t *mctp_passthru_req, void *psge,
   674		dma_addr_t data_out_dma, int data_out_sz,
   675		dma_addr_t data_in_dma, int data_in_sz,
   676		u16 smid)
   677	{
 > 678		mctp_passthru_req->H2DLength = data_out_sz;
   679		mctp_passthru_req->D2HLength = data_in_sz;
   680	
   681		/* Build the H2D SGL from the data out buffer */
   682		ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, 0, 0);
   683	
   684		psge += ioc->sge_size_ieee;
   685	
   686		/* Build the D2H SGL for the data in buffer */
   687		ioc->build_sg(ioc, psge, 0, 0, data_in_dma, data_in_sz);
   688	
   689		ioc->put_smid_default(ioc, smid);
   690	}
   691	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki