[jgunthorpe:vfio_reflck_cleanup 3/12] drivers/vfio/vfio.c:743:6: error: conflicting types for 'vfio_init_group_dev'

* [jgunthorpe:vfio_reflck_cleanup 3/12] drivers/vfio/vfio.c:743:6: error: conflicting types for 'vfio_init_group_dev'
@ 2021-07-01  3:18 kernel test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-07-01  3:18 UTC (permalink / raw)
  To: kbuild-all

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tree:   https://github.com/jgunthorpe/linux vfio_reflck_cleanup
head:   f4e0a740bed3d566fe5cbe71f10a4a32b5c0b2e6
commit: e7b791049d64f9a7b6028b6ed3175ca53d2ad915 [3/12] vfio: Introduce a vfio_uninit_group_dev() API call
config: arm64-randconfig-s032-20210630 (attached as .config)
compiler: aarch64-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: v0.6.3-341-g8af24329-dirty
        # https://github.com/jgunthorpe/linux/commit/e7b791049d64f9a7b6028b6ed3175ca53d2ad915
        git remote add jgunthorpe https://github.com/jgunthorpe/linux
        git fetch --no-tags jgunthorpe vfio_reflck_cleanup
        git checkout e7b791049d64f9a7b6028b6ed3175ca53d2ad915
        # 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__' O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/vfio/

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

All errors (new ones prefixed by >>):

>> drivers/vfio/vfio.c:743:6: error: conflicting types for 'vfio_init_group_dev'
     743 | void vfio_init_group_dev(struct vfio_device *device, struct device *dev,
         |      ^~~~~~~~~~~~~~~~~~~
   In file included from drivers/vfio/vfio.c:32:
   include/linux/vfio.h:62:5: note: previous declaration of 'vfio_init_group_dev' was here
      62 | int vfio_init_group_dev(struct vfio_device *device, struct device *dev,
         |     ^~~~~~~~~~~~~~~~~~~
   In file included from include/linux/linkage.h:7,
                    from include/linux/kernel.h:8,
                    from include/linux/list.h:9,
                    from include/linux/kobject.h:19,
                    from include/linux/cdev.h:5,
                    from drivers/vfio/vfio.c:13:
   drivers/vfio/vfio.c:750:19: error: conflicting types for 'vfio_init_group_dev'
     750 | EXPORT_SYMBOL_GPL(vfio_init_group_dev);
         |                   ^~~~~~~~~~~~~~~~~~~
   include/linux/export.h:98:21: note: in definition of macro '___EXPORT_SYMBOL'
      98 |  extern typeof(sym) sym;       \
         |                     ^~~
   include/linux/export.h:155:34: note: in expansion of macro '__EXPORT_SYMBOL'
     155 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "")
         |                                  ^~~~~~~~~~~~~~~
   include/linux/export.h:159:33: note: in expansion of macro '_EXPORT_SYMBOL'
     159 | #define EXPORT_SYMBOL_GPL(sym)  _EXPORT_SYMBOL(sym, "_gpl")
         |                                 ^~~~~~~~~~~~~~
   drivers/vfio/vfio.c:750:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
     750 | EXPORT_SYMBOL_GPL(vfio_init_group_dev);
         | ^~~~~~~~~~~~~~~~~
   In file included from drivers/vfio/vfio.c:32:
   include/linux/vfio.h:62:5: note: previous declaration of 'vfio_init_group_dev' was here
      62 | int vfio_init_group_dev(struct vfio_device *device, struct device *dev,
         |     ^~~~~~~~~~~~~~~~~~~

vim +/vfio_init_group_dev +743 drivers/vfio/vfio.c

cba3345cc494ad Alex Williamson 2012-07-31  739  
cba3345cc494ad Alex Williamson 2012-07-31  740  /**
cba3345cc494ad Alex Williamson 2012-07-31  741   * VFIO driver API
cba3345cc494ad Alex Williamson 2012-07-31  742   */
0bfc6a4ea63c2a Jason Gunthorpe 2021-03-30 @743  void vfio_init_group_dev(struct vfio_device *device, struct device *dev,
1e04ec14204dec Jason Gunthorpe 2021-03-30  744  			 const struct vfio_device_ops *ops)
cba3345cc494ad Alex Williamson 2012-07-31  745  {
0bfc6a4ea63c2a Jason Gunthorpe 2021-03-30  746  	init_completion(&device->comp);
0bfc6a4ea63c2a Jason Gunthorpe 2021-03-30  747  	device->dev = dev;
0bfc6a4ea63c2a Jason Gunthorpe 2021-03-30  748  	device->ops = ops;
0bfc6a4ea63c2a Jason Gunthorpe 2021-03-30  749  }
0bfc6a4ea63c2a Jason Gunthorpe 2021-03-30  750  EXPORT_SYMBOL_GPL(vfio_init_group_dev);
0bfc6a4ea63c2a Jason Gunthorpe 2021-03-30  751  

:::::: The code at line 743 was first introduced by commit
:::::: 0bfc6a4ea63c2adac71a824397ef48f28dbc5e47 vfio: Split creation of a vfio_device into init and register ops

:::::: TO: Jason Gunthorpe <jgg@nvidia.com>
:::::: CC: Alex Williamson <alex.williamson@redhat.com>

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

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