Re: [RFC PATCH v4 05/10] vfio/pci: export vfio_pci_get_barmap

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

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Hi Yan,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on vfio/next]
[also build test WARNING on jkirsher-next-queue/dev-queue linus/master v5.7-rc6 next-20200515]
[cannot apply to linux/master]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Yan-Zhao/Introduce-vendor-ops-in-vfio-pci/20200518-110542
base:   https://github.com/awilliam/linux-vfio.git next
config: x86_64-allyesconfig (attached as .config)
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-193-gb8fad4bc-dirty
        # save the attached .config to linux build tree
        make C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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


sparse warnings: (new ones prefixed by >>)

>> drivers/vfio/pci/vfio_pci_rdwr.c:162:20: sparse: sparse: incompatible types in conditional expression (different address spaces):
>> drivers/vfio/pci/vfio_pci_rdwr.c:162:20: sparse:    void *
>> drivers/vfio/pci/vfio_pci_rdwr.c:162:20: sparse:    void [noderef] <asn:2> *

vim +162 drivers/vfio/pci/vfio_pci_rdwr.c

   155	
   156	void __iomem *vfio_pci_get_barmap(void *device_data, int bar)
   157	{
   158		int ret;
   159		struct vfio_pci_device *vdev = device_data;
   160	
   161		ret = vfio_pci_setup_barmap(vdev, bar);
 > 162		return ret ? ERR_PTR(ret) : vdev->barmap[bar];
   163	}
   164	EXPORT_SYMBOL_GPL(vfio_pci_get_barmap);
   165	

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

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