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Mon, 19 Sep 2022 16:44:45 +0000 Date: Tue, 20 Sep 2022 00:43:45 +0800 From: kernel test robot To: Kefeng Wang Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Will Deacon , Christoph Hellwig , Arnd Bergmann , "Russell King (Oracle)" Subject: drivers/scsi/megaraid.c:4470:26: sparse: sparse: incorrect type in argument 1 (different address spaces) Message-ID: <202209200047.cnJE8pPV-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 521a547ced6477c54b4b0cc206000406c221b4d6 commit: d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee ARM: mm: kill unused runtime hook arch_iounmap() date: 3 months ago config: arm-randconfig-s042-20220919 (https://download.01.org/0day-ci/archive/20220920/202209200047.cnJE8pPV-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0 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: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash arch/arm/mach-omap2/ drivers/scsi/ kernel/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/scsi/megaraid.c:4470:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *io_addr @@ got void * @@ drivers/scsi/megaraid.c:4470:26: sparse: expected void volatile [noderef] __iomem *io_addr drivers/scsi/megaraid.c:4470:26: sparse: got void * drivers/scsi/megaraid.c:4529:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *io_addr @@ got void * @@ drivers/scsi/megaraid.c:4529:26: sparse: expected void volatile [noderef] __iomem *io_addr drivers/scsi/megaraid.c:4529:26: sparse: got void * vim +4470 drivers/scsi/megaraid.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 4443 ^1da177e4c3f41 Linus Torvalds 2005-04-16 4444 pci_set_drvdata(pdev, host); ^1da177e4c3f41 Linus Torvalds 2005-04-16 4445 ^1da177e4c3f41 Linus Torvalds 2005-04-16 4446 mega_create_proc_entry(hba_count, mega_proc_dir_entry); ^1da177e4c3f41 Linus Torvalds 2005-04-16 4447 ^1da177e4c3f41 Linus Torvalds 2005-04-16 4448 error = scsi_add_host(host, &pdev->dev); ^1da177e4c3f41 Linus Torvalds 2005-04-16 4449 if (error) ^1da177e4c3f41 Linus Torvalds 2005-04-16 4450 goto out_free_mbox; ^1da177e4c3f41 Linus Torvalds 2005-04-16 4451 ^1da177e4c3f41 Linus Torvalds 2005-04-16 4452 scsi_scan_host(host); ^1da177e4c3f41 Linus Torvalds 2005-04-16 4453 hba_count++; ^1da177e4c3f41 Linus Torvalds 2005-04-16 4454 return 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 4455 ^1da177e4c3f41 Linus Torvalds 2005-04-16 4456 out_free_mbox: ec090ef8cd1c23 Suraj Upadhyay 2020-07-29 4457 dma_free_coherent(&adapter->dev->dev, sizeof(mbox64_t), ^1da177e4c3f41 Linus Torvalds 2005-04-16 4458 adapter->una_mbox64, adapter->una_mbox64_dma); ^1da177e4c3f41 Linus Torvalds 2005-04-16 4459 out_free_irq: ^1da177e4c3f41 Linus Torvalds 2005-04-16 4460 free_irq(adapter->host->irq, adapter); ^1da177e4c3f41 Linus Torvalds 2005-04-16 4461 out_free_scb_list: ^1da177e4c3f41 Linus Torvalds 2005-04-16 4462 kfree(adapter->scb_list); ^1da177e4c3f41 Linus Torvalds 2005-04-16 4463 out_free_cmd_buffer: ec090ef8cd1c23 Suraj Upadhyay 2020-07-29 4464 dma_free_coherent(&adapter->dev->dev, MEGA_BUFFER_SIZE, ^1da177e4c3f41 Linus Torvalds 2005-04-16 4465 adapter->mega_buffer, adapter->buf_dma_handle); ^1da177e4c3f41 Linus Torvalds 2005-04-16 4466 out_host_put: ^1da177e4c3f41 Linus Torvalds 2005-04-16 4467 scsi_host_put(host); ^1da177e4c3f41 Linus Torvalds 2005-04-16 4468 out_iounmap: ^1da177e4c3f41 Linus Torvalds 2005-04-16 4469 if (flag & BOARD_MEMMAP) ^1da177e4c3f41 Linus Torvalds 2005-04-16 @4470 iounmap((void *)mega_baseport); ^1da177e4c3f41 Linus Torvalds 2005-04-16 4471 out_release_region: ^1da177e4c3f41 Linus Torvalds 2005-04-16 4472 if (flag & BOARD_MEMMAP) ^1da177e4c3f41 Linus Torvalds 2005-04-16 4473 release_mem_region(tbase, 128); ^1da177e4c3f41 Linus Torvalds 2005-04-16 4474 else ^1da177e4c3f41 Linus Torvalds 2005-04-16 4475 release_region(mega_baseport, 16); ^1da177e4c3f41 Linus Torvalds 2005-04-16 4476 out_disable_device: ^1da177e4c3f41 Linus Torvalds 2005-04-16 4477 pci_disable_device(pdev); ^1da177e4c3f41 Linus Torvalds 2005-04-16 4478 out: ^1da177e4c3f41 Linus Torvalds 2005-04-16 4479 return error; ^1da177e4c3f41 Linus Torvalds 2005-04-16 4480 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 4481 :::::: The code at line 4470 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://01.org/lkp