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

From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [jgunthorpe:vfio_reflck_cleanup 3/12] drivers/vfio/vfio.c:743:6: error: conflicting types for 'vfio_init_group_dev'
Date: Thu, 01 Jul 2021 17:22:54 +0800	[thread overview]
Message-ID: <202107011748.eY55knsb-lkp@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 3032 bytes --]

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: x86_64-randconfig-a012-20210630 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project e7e71e9454ed76c1b3d8140170b5333c28bef1be)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # 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
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/

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'
   void vfio_init_group_dev(struct vfio_device *device, struct device *dev,
        ^
   include/linux/vfio.h:62:5: note: previous declaration is here
   int vfio_init_group_dev(struct vfio_device *device, struct device *dev,
       ^
   1 error generated.

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

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 38417 bytes --]