tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 02de58b24d2e1b2cf947d57205bd2221d897193c commit: 3bbd8ef9f780749426d4e52be0dfa3f70656d92b scsi: bfa: Staticify all local functions date: 10 weeks ago config: ia64-randconfig-s031-20200930 (attached as .config) compiler: ia64-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: v0.6.2-201-g24bdaac6-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 3bbd8ef9f780749426d4e52be0dfa3f70656d92b # 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=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; echo echo "sparse warnings: (new ones prefixed by >>)" echo drivers/scsi/bfa/bfad_bsg.c:2391:25: sparse: sparse: cast to restricted __be32 drivers/scsi/bfa/bfad_bsg.c:2391:25: sparse: sparse: cast to restricted __be32 drivers/scsi/bfa/bfad_bsg.c:2391:25: sparse: sparse: cast to restricted __be32 drivers/scsi/bfa/bfad_bsg.c:2391:25: sparse: sparse: cast to restricted __be32 drivers/scsi/bfa/bfad_bsg.c:2391:25: sparse: sparse: cast to restricted __be32 drivers/scsi/bfa/bfad_bsg.c:2391:25: sparse: sparse: cast to restricted __be32 drivers/scsi/bfa/bfad_bsg.c:2414:38: sparse: sparse: cast to restricted __be16 drivers/scsi/bfa/bfad_bsg.c:2414:38: sparse: sparse: cast to restricted __be16 drivers/scsi/bfa/bfad_bsg.c:2414:38: sparse: sparse: cast to restricted __be16 drivers/scsi/bfa/bfad_bsg.c:2414:38: sparse: sparse: cast to restricted __be16 drivers/scsi/bfa/bfad_bsg.c:2415:38: sparse: sparse: cast to restricted __be16 drivers/scsi/bfa/bfad_bsg.c:2415:38: sparse: sparse: cast to restricted __be16 drivers/scsi/bfa/bfad_bsg.c:2415:38: sparse: sparse: cast to restricted __be16 drivers/scsi/bfa/bfad_bsg.c:2415:38: sparse: sparse: cast to restricted __be16 drivers/scsi/bfa/bfad_bsg.c:2417:33: sparse: sparse: cast to restricted __be32 drivers/scsi/bfa/bfad_bsg.c:2417:33: sparse: sparse: cast to restricted __be32 drivers/scsi/bfa/bfad_bsg.c:2417:33: sparse: sparse: cast to restricted __be32 drivers/scsi/bfa/bfad_bsg.c:2417:33: sparse: sparse: cast to restricted __be32 drivers/scsi/bfa/bfad_bsg.c:2417:33: sparse: sparse: cast to restricted __be32 drivers/scsi/bfa/bfad_bsg.c:2417:33: sparse: sparse: cast to restricted __be32 drivers/scsi/bfa/bfad_bsg.c:2551:9: sparse: sparse: invalid assignment: &= drivers/scsi/bfa/bfad_bsg.c:2555:17: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int [usertype] scan_flags @@ got restricted blist_flags_t @@ drivers/scsi/bfa/bfad_bsg.c:2555:17: sparse: expected unsigned int [usertype] scan_flags drivers/scsi/bfa/bfad_bsg.c:2555:17: sparse: got restricted blist_flags_t drivers/scsi/bfa/bfad_bsg.c:2555:17: sparse: sparse: invalid assignment: |= drivers/scsi/bfa/bfad_bsg.c:2555:17: sparse: left side has type restricted blist_flags_t drivers/scsi/bfa/bfad_bsg.c:2555:17: sparse: right side has type unsigned int drivers/scsi/bfa/bfad_bsg.c:2555:17: sparse: sparse: invalid assignment: &= drivers/scsi/bfa/bfad_bsg.c:2555:17: sparse: left side has type restricted blist_flags_t drivers/scsi/bfa/bfad_bsg.c:2555:17: sparse: right side has type unsigned int drivers/scsi/bfa/bfad_bsg.c:3380:34: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] <asn:1> *from @@ got void * @@ drivers/scsi/bfa/bfad_bsg.c:3380:34: sparse: expected void const [noderef] <asn:1> *from drivers/scsi/bfa/bfad_bsg.c:3534:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] <asn:1> *to @@ got void * @@ drivers/scsi/bfa/bfad_bsg.c:3534:27: sparse: expected void [noderef] <asn:1> *to drivers/scsi/bfa/bfad_bsg.c:3534:27: sparse: got void * vim +2551 drivers/scsi/bfa/bfad_bsg.c c0350bf57445b9e Krishna Gudipati 2011-07-20 2542 5b7db7af522d9f2 Krishna Gudipati 2011-12-20 2543 /* Function to reset the LUN SCAN mode */ 5b7db7af522d9f2 Krishna Gudipati 2011-12-20 2544 static void 5b7db7af522d9f2 Krishna Gudipati 2011-12-20 2545 bfad_iocmd_lunmask_reset_lunscan_mode(struct bfad_s *bfad, int lunmask_cfg) 5b7db7af522d9f2 Krishna Gudipati 2011-12-20 2546 { 5b7db7af522d9f2 Krishna Gudipati 2011-12-20 2547 struct bfad_im_port_s *pport_im = bfad->pport.im_port; 5b7db7af522d9f2 Krishna Gudipati 2011-12-20 2548 struct bfad_vport_s *vport = NULL; 5b7db7af522d9f2 Krishna Gudipati 2011-12-20 2549 5b7db7af522d9f2 Krishna Gudipati 2011-12-20 2550 /* Set the scsi device LUN SCAN flags for base port */ 5b7db7af522d9f2 Krishna Gudipati 2011-12-20 @2551 bfad_reset_sdev_bflags(pport_im, lunmask_cfg); 5b7db7af522d9f2 Krishna Gudipati 2011-12-20 2552 5b7db7af522d9f2 Krishna Gudipati 2011-12-20 2553 /* Set the scsi device LUN SCAN flags for the vports */ 5b7db7af522d9f2 Krishna Gudipati 2011-12-20 2554 list_for_each_entry(vport, &bfad->vport_list, list_entry) 5b7db7af522d9f2 Krishna Gudipati 2011-12-20 2555 bfad_reset_sdev_bflags(vport->drv_port.im_port, lunmask_cfg); 5b7db7af522d9f2 Krishna Gudipati 2011-12-20 2556 } 5b7db7af522d9f2 Krishna Gudipati 2011-12-20 2557 :::::: The code at line 2551 was first introduced by commit :::::: 5b7db7af522d9f281ff8bf540d2b5cbea2206b27 [SCSI] bfa: Implement LUN Masking feature using the SCSI Slave Callouts. :::::: TO: Krishna Gudipati <kgudipat(a)brocade.com&gt; :::::: CC: James Bottomley <JBottomley(a)Parallels.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org