[luxis1999-iommufd:iommufd-v5.17-rc1 23/28] include/linux/iommufd.h:30:1: error: expected identifier or '('

[luxis1999-iommufd:iommufd-v5.17-rc1 23/28] include/linux/iommufd.h:30:1: error: expected identifier or '('

[kernel test robot]

tree:   https://github.com/luxis1999/iommufd iommufd-v5.17-rc1
head:   ebf68af0385d0d5c209e63e8065d31db938275d8
commit: 68a771c26362267465beafd67fabe1e751604493 [23/28] vfio/pci: Add VFIO_DEVICE_ATTACH_IOASPT
config: hexagon-randconfig-r003-20220209 (https://download.01.org/0day-ci/archive/20220210/202202100053.GJbVdZiP-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project e8bff9ae54a55b4dbfeb6ba55f723abbd81bf494)
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
        # https://github.com/luxis1999/iommufd/commit/68a771c26362267465beafd67fabe1e751604493
        git remote add luxis1999-iommufd https://github.com/luxis1999/iommufd
        git fetch --no-tags luxis1999-iommufd iommufd-v5.17-rc1
        git checkout 68a771c26362267465beafd67fabe1e751604493
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon 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 >>):

   In file included from drivers/vfio/vfio.c:35:
>> include/linux/iommufd.h:30:1: error: expected identifier or '('
   {
   ^
   1 error generated.


vim +30 include/linux/iommufd.h

faffab36f0032f0 Jason Gunthorpe 2021-11-11  26  
faffab36f0032f0 Jason Gunthorpe 2021-11-11  27  #else /* !CONFIG_IOMMUFD */
faffab36f0032f0 Jason Gunthorpe 2021-11-11  28  static inline struct iommufd_device *
faffab36f0032f0 Jason Gunthorpe 2021-11-11  29  iommufd_bind_pci_device(int fd, struct pci_dev *pdev, u32 *id);
faffab36f0032f0 Jason Gunthorpe 2021-11-11 @30  {
faffab36f0032f0 Jason Gunthorpe 2021-11-11  31  	return ERR_PTR(-EOPNOTSUPP);
faffab36f0032f0 Jason Gunthorpe 2021-11-11  32  }
faffab36f0032f0 Jason Gunthorpe 2021-11-11  33  

:::::: The code at line 30 was first introduced by commit
:::::: faffab36f0032f06ff2478067840ead66e38b543 iommufd: Add kAPI toward external drivers

:::::: TO: Jason Gunthorpe <jgg@nvidia.com>
:::::: CC: Jason Gunthorpe <jgg@nvidia.com>

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