linux-kernel - [luxis1999-iommufd:iommufd-v5.17-rc4 29/30] drivers/vfio/vfio.c:1800:10: error: implicit declaration of function 'iommufd_vfio_set

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Message-ID: <202203020051.lJg5pB22-lkp@intel.com>
Date:   Wed, 2 Mar 2022 00:58:02 +0800
From:   kernel test robot <lkp@...el.com>
To:     Liu Yi L <yi.l.liu@...el.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [luxis1999-iommufd:iommufd-v5.17-rc4 29/30]
 drivers/vfio/vfio.c:1800:10: error: implicit declaration of function
 'iommufd_vfio_set_iommu'

tree:   https://github.com/luxis1999/iommufd iommufd-v5.17-rc4
head:   2bca5fa75dad57f41002a93861a950d35d55e568
commit: f8fb748995b4e1156fd76a3860da5ea897536a3c [29/30] vfio: Fix kernel panic in vfio_ioctl_check_extension()
config: hexagon-randconfig-r041-20220301 (https://download.01.org/0day-ci/archive/20220302/202203020051.lJg5pB22-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
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/f8fb748995b4e1156fd76a3860da5ea897536a3c
        git remote add luxis1999-iommufd https://github.com/luxis1999/iommufd
        git fetch --no-tags luxis1999-iommufd iommufd-v5.17-rc4
        git checkout f8fb748995b4e1156fd76a3860da5ea897536a3c
        # 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@...el.com>

All errors (new ones prefixed by >>):

   drivers/vfio/vfio.c:1088:44: error: too many arguments to function call, expected single argument 'iommufd', have 2 arguments
                   vfio_group_unset_iommufd(group->iommufd, &group->device_list);
                   ~~~~~~~~~~~~~~~~~~~~~~~~                 ^~~~~~~~~~~~~~~~~~~
   include/linux/iommufd.h:57:20: note: 'vfio_group_unset_iommufd' declared here
   static inline void vfio_group_unset_iommufd(void *iommufd)
                      ^
   drivers/vfio/vfio.c:1166:26: error: too few arguments to function call, expected 3, have 2
                                                   &group->device_list);
                                                                      ^
   include/linux/iommufd.h:51:19: note: 'vfio_group_set_iommufd' declared here
   static inline int vfio_group_set_iommufd(int fd, struct iommu_group *group,
                     ^
>> drivers/vfio/vfio.c:1800:10: error: implicit declaration of function 'iommufd_vfio_set_iommu' [-Werror,-Wimplicit-function-declaration]
                   return iommufd_vfio_set_iommu(group->iommufd, arg);
                          ^
   3 errors generated.


vim +/iommufd_vfio_set_iommu +1800 drivers/vfio/vfio.c

  1796	
  1797	long vfio_external_check_extension(struct vfio_group *group, unsigned long arg)
  1798	{
  1799		if (group->iommufd)
> 1800			return iommufd_vfio_set_iommu(group->iommufd, arg);
  1801	
  1802		return vfio_ioctl_check_extension(group->container, arg);
  1803	}
  1804	EXPORT_SYMBOL_GPL(vfio_external_check_extension);
  1805	

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