tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 16f4aa9b7c2304e439796bd097b2c0a7663f5d6e commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 3 days ago config: i386-randconfig-s002-20200622 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-rc2-13-gc59158c8-dirty git checkout 670d0a4b10704667765f7d18f7592993d02783aa # save the attached .config to linux build tree make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' 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/myrs.c:1532:5: sparse: sparse: symbol 'myrs_host_reset' was not declared. Should it be static? drivers/scsi/myrs.c:1922:27: sparse: sparse: symbol 'myrs_template' was not declared. Should it be static? drivers/scsi/myrs.c:2036:31: sparse: sparse: symbol 'myrs_raid_functions' was not declared. Should it be static? drivers/scsi/myrs.c:2046:6: sparse: sparse: symbol 'myrs_flush_cache' was not declared. Should it be static? drivers/scsi/myrs.c:2275:34: sparse: got struct myrs_hba *cs drivers/scsi/myrs.c:2434:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __le32 [usertype] val @@ drivers/scsi/myrs.c:2434:16: sparse: expected unsigned int val drivers/scsi/myrs.c:2434:16: sparse: got restricted __le32 [usertype] val drivers/scsi/myrs.c:2502:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __le32 [usertype] val @@ drivers/scsi/myrs.c:2502:16: sparse: expected unsigned int val drivers/scsi/myrs.c:2502:16: sparse: got restricted __le32 [usertype] val drivers/scsi/myrs.c:2427:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __le32 [usertype] val @@ drivers/scsi/myrs.c:2427:16: sparse: expected unsigned int val drivers/scsi/myrs.c:2427:16: sparse: got restricted __le32 [usertype] val drivers/scsi/myrs.c:2502:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __le32 [usertype] val @@ drivers/scsi/myrs.c:2502:16: sparse: expected unsigned int val drivers/scsi/myrs.c:2502:16: sparse: got restricted __le32 [usertype] val drivers/scsi/myrs.c:2413:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __le32 [usertype] val @@ drivers/scsi/myrs.c:2413:16: sparse: expected unsigned int val drivers/scsi/myrs.c:2413:16: sparse: got restricted __le32 [usertype] val drivers/scsi/myrs.c:2449:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] val @@ got unsigned int @@ drivers/scsi/myrs.c:2449:13: sparse: expected restricted __le32 [usertype] val drivers/scsi/myrs.c:2449:13: sparse: got unsigned int drivers/scsi/myrs.c:2549:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] val @@ got unsigned int @@ drivers/scsi/myrs.c:2549:13: sparse: expected restricted __le32 [usertype] val drivers/scsi/myrs.c:2549:13: sparse: got unsigned int drivers/scsi/myrs.c:2552:18: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/myrs.c:2427:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __le32 [usertype] val @@ drivers/scsi/myrs.c:2427:16: sparse: expected unsigned int val drivers/scsi/myrs.c:2427:16: sparse: got restricted __le32 [usertype] val drivers/scsi/myrs.c:2495:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __le32 [usertype] val @@ drivers/scsi/myrs.c:2495:16: sparse: expected unsigned int val drivers/scsi/myrs.c:2495:16: sparse: got restricted __le32 [usertype] val drivers/scsi/myrs.c:2472:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __le32 [usertype] val @@ drivers/scsi/myrs.c:2472:16: sparse: expected unsigned int val drivers/scsi/myrs.c:2472:16: sparse: got restricted __le32 [usertype] val drivers/scsi/myrs.c:2441:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] val @@ got unsigned int @@ drivers/scsi/myrs.c:2441:13: sparse: expected restricted __le32 [usertype] val drivers/scsi/myrs.c:2441:13: sparse: got unsigned int drivers/scsi/myrs.c:2406:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __le32 [usertype] val @@ drivers/scsi/myrs.c:2406:16: sparse: expected unsigned int val drivers/scsi/myrs.c:2406:16: sparse: got restricted __le32 [usertype] val drivers/scsi/myrs.c:2479:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] val @@ got unsigned int @@ drivers/scsi/myrs.c:2479:13: sparse: expected restricted __le32 [usertype] val drivers/scsi/myrs.c:2479:13: sparse: got unsigned int drivers/scsi/myrs.c:2457:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __le32 [usertype] val @@ drivers/scsi/myrs.c:2457:16: sparse: expected unsigned int val drivers/scsi/myrs.c:2457:16: sparse: got restricted __le32 [usertype] val drivers/scsi/myrs.c:2413:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __le32 [usertype] val @@ drivers/scsi/myrs.c:2413:16: sparse: expected unsigned int val drivers/scsi/myrs.c:2413:16: sparse: got restricted __le32 [usertype] val -- drivers/scsi/fnic/vnic_dev.c:332:32: sparse: got unsigned int * drivers/scsi/fnic/vnic_dev.c:333:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/scsi/fnic/vnic_dev.c:333:37: sparse: expected void [noderef] __iomem * drivers/scsi/fnic/vnic_dev.c:333:37: sparse: got unsigned int * drivers/scsi/fnic/vnic_dev.c:373:36: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/scsi/fnic/vnic_dev.c:373:36: sparse: expected void [noderef] __iomem * drivers/scsi/fnic/vnic_dev.c:373:36: sparse: got unsigned int * drivers/scsi/fnic/vnic_dev.c:469:32: sparse: expected struct vnic_wq_ctrl *wq_ctrl drivers/scsi/fnic/vnic_dev.c:943:11: sparse: expected void *p -- drivers/target/tcm_fc/tfc_sess.c:47:17: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/target/tcm_fc/tfc_sess.c:47:17: sparse: void * drivers/target/tcm_fc/tfc_sess.c:72:9: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/target/tcm_fc/tfc_sess.c:72:9: sparse: void [noderef] __rcu * drivers/target/tcm_fc/tfc_sess.c:72:9: sparse: void * drivers/target/tcm_fc/tfc_sess.c:89:9: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/target/tcm_fc/tfc_sess.c:89:9: sparse: void [noderef] __rcu * drivers/target/tcm_fc/tfc_sess.c:89:9: sparse: void * drivers/target/tcm_fc/tfc_sess.c:166:17: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/target/tcm_fc/tfc_sess.c:166:17: sparse: void [noderef] __rcu * drivers/target/tcm_fc/tfc_sess.c:166:17: sparse: void * drivers/target/tcm_fc/tfc_sess.c:456:17: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/target/tcm_fc/tfc_sess.c:456:17: sparse: void [noderef] __rcu * drivers/target/tcm_fc/tfc_sess.c:456:17: sparse: void * -- drivers/scsi/mpt3sas/mpt3sas_base.c:1635:64: sparse: expected void volatile [noderef] __iomem *addr drivers/scsi/mpt3sas/mpt3sas_base.c:1635:64: sparse: got unsigned int [usertype] * drivers/scsi/mpt3sas/mpt3sas_base.c:1689:52: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@ drivers/scsi/mpt3sas/mpt3sas_base.c:1689:52: sparse: expected void volatile [noderef] __iomem *addr drivers/scsi/mpt3sas/mpt3sas_base.c:1689:52: sparse: got unsigned int [usertype] * drivers/scsi/mpt3sas/mpt3sas_base.c:4021:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __le32 [usertype] @@ drivers/scsi/mpt3sas/mpt3sas_base.c:4021:16: sparse: expected unsigned int val drivers/scsi/mpt3sas/mpt3sas_base.c:4021:16: sparse: got restricted __le32 [usertype] drivers/scsi/mpt3sas/mpt3sas_base.c:4043:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __le32 [usertype] @@ drivers/scsi/mpt3sas/mpt3sas_base.c:4043:16: sparse: expected unsigned int val drivers/scsi/mpt3sas/mpt3sas_base.c:4043:16: sparse: got restricted __le32 [usertype] drivers/scsi/mpt3sas/mpt3sas_base.c:4066:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __le32 [usertype] @@ drivers/scsi/mpt3sas/mpt3sas_base.c:4066:16: sparse: expected unsigned int val drivers/scsi/mpt3sas/mpt3sas_base.c:4066:16: sparse: got restricted __le32 [usertype] drivers/scsi/mpt3sas/mpt3sas_base.c:4087:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __le32 [usertype] @@ drivers/scsi/mpt3sas/mpt3sas_base.c:4087:16: sparse: expected unsigned int val drivers/scsi/mpt3sas/mpt3sas_base.c:4087:16: sparse: got restricted __le32 [usertype] drivers/scsi/mpt3sas/mpt3sas_base.c:5917:24: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __le32 [usertype] @@ drivers/scsi/mpt3sas/mpt3sas_base.c:5917:24: sparse: expected unsigned int val drivers/scsi/mpt3sas/mpt3sas_base.c:5917:24: sparse: got restricted __le32 [usertype] drivers/scsi/mpt3sas/mpt3sas_base.c:5936:20: sparse: sparse: cast to restricted __le16 drivers/scsi/mpt3sas/mpt3sas_base.c:5944:20: sparse: sparse: cast to restricted __le16 drivers/scsi/mpt3sas/mpt3sas_base.c:5957:36: sparse: sparse: cast to restricted __le16 drivers/scsi/mpt3sas/mpt3sas_base.c:7090:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got unsigned int [usertype] * @@ drivers/scsi/mpt3sas/mpt3sas_base.c:7090:55: sparse: expected void volatile [noderef] __iomem *addr drivers/scsi/mpt3sas/mpt3sas_base.c:7090:55: sparse: got unsigned int [usertype] * vim +2275 drivers/scsi/myrs.c 77266186397c6c Hannes Reinecke 2018-10-17 2266 77266186397c6c Hannes Reinecke 2018-10-17 2267 static void myrs_cleanup(struct myrs_hba *cs) 77266186397c6c Hannes Reinecke 2018-10-17 2268 { 77266186397c6c Hannes Reinecke 2018-10-17 2269 struct pci_dev *pdev = cs->pdev; 77266186397c6c Hannes Reinecke 2018-10-17 2270 77266186397c6c Hannes Reinecke 2018-10-17 2271 /* Free the memory mailbox, status, and related structures */ 77266186397c6c Hannes Reinecke 2018-10-17 2272 myrs_unmap(cs); 77266186397c6c Hannes Reinecke 2018-10-17 2273 77266186397c6c Hannes Reinecke 2018-10-17 2274 if (cs->mmio_base) { 77266186397c6c Hannes Reinecke 2018-10-17 @2275 cs->disable_intr(cs); 77266186397c6c Hannes Reinecke 2018-10-17 2276 iounmap(cs->mmio_base); 77266186397c6c Hannes Reinecke 2018-10-17 2277 } 77266186397c6c Hannes Reinecke 2018-10-17 2278 if (cs->irq) 77266186397c6c Hannes Reinecke 2018-10-17 2279 free_irq(cs->irq, cs); 77266186397c6c Hannes Reinecke 2018-10-17 2280 if (cs->io_addr) 77266186397c6c Hannes Reinecke 2018-10-17 2281 release_region(cs->io_addr, 0x80); 77266186397c6c Hannes Reinecke 2018-10-17 2282 iounmap(cs->mmio_base); 77266186397c6c Hannes Reinecke 2018-10-17 2283 pci_set_drvdata(pdev, NULL); 77266186397c6c Hannes Reinecke 2018-10-17 2284 pci_disable_device(pdev); 77266186397c6c Hannes Reinecke 2018-10-17 2285 scsi_host_put(cs->host); 77266186397c6c Hannes Reinecke 2018-10-17 2286 } 77266186397c6c Hannes Reinecke 2018-10-17 2287 :::::: The code at line 2275 was first introduced by commit :::::: 77266186397c6c782a3f670d32808a9671806ec5 scsi: myrs: Add Mylex RAID controller (SCSI interface) :::::: TO: Hannes Reinecke <hare(a)suse.com&gt; :::::: CC: Martin K. Petersen <martin.petersen(a)oracle.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org