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Message-ID: <202008281902.gqHKFljp%lkp@intel.com>
Date:   Fri, 28 Aug 2020 19:24:48 +0800
From:   kernel test robot <lkp@...el.com>
To:     Yang Yingliang <yangyingliang@...wei.com>,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, bhelgaas@...gle.com, guohanjun@...wei.com,
        yangyingliang@...wei.com
Subject: Re: [PATCH 2/2] pci: fix memleak when calling pci_iomap/unmap()

Hi Yang,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on pci/next]
[also build test WARNING on linux/master linus/master v5.9-rc2 next-20200828]
[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/Yang-Yingliang/fix-memleak-when-using-pci_iounmap/20200828-143645
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: powerpc64-randconfig-s032-20200828 (attached as .config)
compiler: powerpc-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: v0.6.2-191-g10164920-dirty
        # 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=powerpc64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>


sparse warnings: (new ones prefixed by >>)

>> drivers/scsi/mvumi.c:81:52: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem *addr @@     got void * @@
>> drivers/scsi/mvumi.c:81:52: sparse:     expected void [noderef] __iomem *addr
   drivers/scsi/mvumi.c:81:52: sparse:     got void *
   drivers/scsi/mvumi.c:90:39: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void * @@     got void [noderef] __iomem * @@
   drivers/scsi/mvumi.c:90:39: sparse:     expected void *
   drivers/scsi/mvumi.c:90:39: sparse:     got void [noderef] __iomem *
   drivers/scsi/mvumi.c:210:34: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] baseaddr_l @@     got restricted __le32 [usertype] @@
   drivers/scsi/mvumi.c:210:34: sparse:     expected unsigned int [usertype] baseaddr_l
   drivers/scsi/mvumi.c:210:34: sparse:     got restricted __le32 [usertype]
   drivers/scsi/mvumi.c:211:34: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] baseaddr_h @@     got restricted __le32 [usertype] @@
   drivers/scsi/mvumi.c:211:34: sparse:     expected unsigned int [usertype] baseaddr_h
   drivers/scsi/mvumi.c:211:34: sparse:     got restricted __le32 [usertype]
   drivers/scsi/mvumi.c:213:17: sparse: sparse: invalid assignment: |=
   drivers/scsi/mvumi.c:213:17: sparse:    left side has type unsigned int
   drivers/scsi/mvumi.c:213:17: sparse:    right side has type restricted __le32
   drivers/scsi/mvumi.c:213:17: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] size @@     got restricted __le32 [usertype] @@
   drivers/scsi/mvumi.c:213:17: sparse:     expected unsigned int [usertype] size
   drivers/scsi/mvumi.c:213:17: sparse:     got restricted __le32 [usertype]
   drivers/scsi/mvumi.c:242:26: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] baseaddr_l @@     got restricted __le32 [usertype] @@
   drivers/scsi/mvumi.c:242:26: sparse:     expected unsigned int [usertype] baseaddr_l
   drivers/scsi/mvumi.c:242:26: sparse:     got restricted __le32 [usertype]
   drivers/scsi/mvumi.c:243:26: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] baseaddr_h @@     got restricted __le32 [usertype] @@
   drivers/scsi/mvumi.c:243:26: sparse:     expected unsigned int [usertype] baseaddr_h
   drivers/scsi/mvumi.c:243:26: sparse:     got restricted __le32 [usertype]
   drivers/scsi/mvumi.c:245:9: sparse: sparse: invalid assignment: |=
   drivers/scsi/mvumi.c:245:9: sparse:    left side has type unsigned int
   drivers/scsi/mvumi.c:245:9: sparse:    right side has type restricted __le32
   drivers/scsi/mvumi.c:245:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] size @@     got restricted __le32 [usertype] @@
   drivers/scsi/mvumi.c:245:9: sparse:     expected unsigned int [usertype] size
   drivers/scsi/mvumi.c:245:9: sparse:     got restricted __le32 [usertype]
   drivers/scsi/mvumi.c:407:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem * @@     got void *inb_read_pointer @@
   drivers/scsi/mvumi.c:407:40: sparse:     expected void const [noderef] __iomem *
   drivers/scsi/mvumi.c:407:40: sparse:     got void *inb_read_pointer
   drivers/scsi/mvumi.c:429:30: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem * @@     got void *ib_shadow @@
   drivers/scsi/mvumi.c:429:30: sparse:     expected void const [noderef] __iomem *
   drivers/scsi/mvumi.c:429:30: sparse:     got void *ib_shadow
   drivers/scsi/mvumi.c:458:31: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem * @@     got void *ib_shadow @@
   drivers/scsi/mvumi.c:458:31: sparse:     expected void [noderef] __iomem *
   drivers/scsi/mvumi.c:458:31: sparse:     got void *ib_shadow
   drivers/scsi/mvumi.c:459:48: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem * @@     got void *inb_write_pointer @@
   drivers/scsi/mvumi.c:459:48: sparse:     expected void [noderef] __iomem *
   drivers/scsi/mvumi.c:459:48: sparse:     got void *inb_write_pointer
   drivers/scsi/mvumi.c:496:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem * @@     got void *outb_copy_pointer @@
   drivers/scsi/mvumi.c:496:41: sparse:     expected void const [noderef] __iomem *
   drivers/scsi/mvumi.c:496:41: sparse:     got void *outb_copy_pointer
   drivers/scsi/mvumi.c:497:48: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem * @@     got void *ob_shadow @@
   drivers/scsi/mvumi.c:497:48: sparse:     expected void const [noderef] __iomem *
   drivers/scsi/mvumi.c:497:48: sparse:     got void *ob_shadow
   drivers/scsi/mvumi.c:516:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem * @@     got void *outb_read_pointer @@
   drivers/scsi/mvumi.c:516:33: sparse:     expected void const [noderef] __iomem *
   drivers/scsi/mvumi.c:516:33: sparse:     got void *outb_read_pointer
   drivers/scsi/mvumi.c:517:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem * @@     got void *outb_copy_pointer @@
   drivers/scsi/mvumi.c:517:33: sparse:     expected void const [noderef] __iomem *
   drivers/scsi/mvumi.c:517:33: sparse:     got void *outb_copy_pointer
   drivers/scsi/mvumi.c:578:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem * @@     got void *outb_read_pointer @@
   drivers/scsi/mvumi.c:578:42: sparse:     expected void [noderef] __iomem *
   drivers/scsi/mvumi.c:578:42: sparse:     got void *outb_read_pointer
   drivers/scsi/mvumi.c:585:26: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem * @@     got void *enpointa_mask_reg @@
   drivers/scsi/mvumi.c:585:26: sparse:     expected void [noderef] __iomem *
   drivers/scsi/mvumi.c:585:26: sparse:     got void *enpointa_mask_reg
   drivers/scsi/mvumi.c:586:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem * @@     got void *arm_to_pciea_msg1 @@
   drivers/scsi/mvumi.c:586:26: sparse:     expected void const [noderef] __iomem *
   drivers/scsi/mvumi.c:586:26: sparse:     got void *arm_to_pciea_msg1
   drivers/scsi/mvumi.c:589:40: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem * @@     got void *pciea_to_arm_drbl_reg @@
   drivers/scsi/mvumi.c:589:40: sparse:     expected void [noderef] __iomem *
   drivers/scsi/mvumi.c:589:40: sparse:     got void *pciea_to_arm_drbl_reg
   drivers/scsi/mvumi.c:1281:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem * @@     got void *arm_to_pciea_drbl_reg @@
   drivers/scsi/mvumi.c:1281:28: sparse:     expected void const [noderef] __iomem *
   drivers/scsi/mvumi.c:1281:28: sparse:     got void *arm_to_pciea_drbl_reg
   drivers/scsi/mvumi.c:1282:28: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem * @@     got void *arm_to_pciea_drbl_reg @@
   drivers/scsi/mvumi.c:1282:28: sparse:     expected void [noderef] __iomem *
   drivers/scsi/mvumi.c:1282:28: sparse:     got void *arm_to_pciea_drbl_reg
   drivers/scsi/mvumi.c:1284:48: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem * @@     got void *arm_to_pciea_mask_reg @@
   drivers/scsi/mvumi.c:1284:48: sparse:     expected void [noderef] __iomem *
   drivers/scsi/mvumi.c:1284:48: sparse:     got void *arm_to_pciea_mask_reg
   drivers/scsi/mvumi.c:1285:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem * @@     got void *enpointa_mask_reg @@
   drivers/scsi/mvumi.c:1285:28: sparse:     expected void const [noderef] __iomem *
   drivers/scsi/mvumi.c:1285:28: sparse:     got void *enpointa_mask_reg
   drivers/scsi/mvumi.c:1286:28: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem * @@     got void *enpointa_mask_reg @@
   drivers/scsi/mvumi.c:1286:28: sparse:     expected void [noderef] __iomem *
   drivers/scsi/mvumi.c:1286:28: sparse:     got void *enpointa_mask_reg
   drivers/scsi/mvumi.c:612:26: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem * @@     got void *enpointa_mask_reg @@
   drivers/scsi/mvumi.c:612:26: sparse:     expected void [noderef] __iomem *
   drivers/scsi/mvumi.c:612:26: sparse:     got void *enpointa_mask_reg
   drivers/scsi/mvumi.c:613:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem * @@     got void *arm_to_pciea_msg1 @@
   drivers/scsi/mvumi.c:613:28: sparse:     expected void const [noderef] __iomem *
   drivers/scsi/mvumi.c:613:28: sparse:     got void *arm_to_pciea_msg1
   drivers/scsi/mvumi.c:615:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem * @@     got void *pciea_to_arm_drbl_reg @@
   drivers/scsi/mvumi.c:615:46: sparse:     expected void [noderef] __iomem *
   drivers/scsi/mvumi.c:615:46: sparse:     got void *pciea_to_arm_drbl_reg
   drivers/scsi/mvumi.c:624:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem * @@     got void *arm_to_pciea_msg1 @@
   drivers/scsi/mvumi.c:624:36: sparse:     expected void const [noderef] __iomem *
   drivers/scsi/mvumi.c:624:36: sparse:     got void *arm_to_pciea_msg1
   drivers/scsi/mvumi.c:670:32: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem * @@     got void *reset_enable @@
   drivers/scsi/mvumi.c:670:32: sparse:     expected void [noderef] __iomem *
   drivers/scsi/mvumi.c:670:32: sparse:     got void *reset_enable
   drivers/scsi/mvumi.c:671:34: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem * @@     got void *reset_request @@
   drivers/scsi/mvumi.c:671:34: sparse:     expected void [noderef] __iomem *
   drivers/scsi/mvumi.c:671:34: sparse:     got void *reset_request
   drivers/scsi/mvumi.c:673:35: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem * @@     got void *reset_enable @@
   drivers/scsi/mvumi.c:673:35: sparse:     expected void [noderef] __iomem *
   drivers/scsi/mvumi.c:673:35: sparse:     got void *reset_enable

# https://github.com/0day-ci/linux/commit/6a62687154945b449554222ffe875acae4cd1cdb
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Yang-Yingliang/fix-memleak-when-using-pci_iounmap/20200828-143645
git checkout 6a62687154945b449554222ffe875acae4cd1cdb
vim +81 drivers/scsi/mvumi.c

f0c568a478f035 Jianyun Li 2011-05-11  73  
f0c568a478f035 Jianyun Li 2011-05-11  74  static void mvumi_unmap_pci_addr(struct pci_dev *dev, void **addr_array)
f0c568a478f035 Jianyun Li 2011-05-11  75  {
f0c568a478f035 Jianyun Li 2011-05-11  76  	int i;
f0c568a478f035 Jianyun Li 2011-05-11  77  
f0c568a478f035 Jianyun Li 2011-05-11  78  	for (i = 0; i < MAX_BASE_ADDRESS; i++)
f0c568a478f035 Jianyun Li 2011-05-11  79  		if ((pci_resource_flags(dev, i) & IORESOURCE_MEM) &&
f0c568a478f035 Jianyun Li 2011-05-11  80  								addr_array[i])
f0c568a478f035 Jianyun Li 2011-05-11 @81  			pci_iounmap(dev, addr_array[i]);
f0c568a478f035 Jianyun Li 2011-05-11  82  }
f0c568a478f035 Jianyun Li 2011-05-11  83  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (32760 bytes)

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