linux-kernel - [luxis1999-iommufd:iommufd-v5.17-rc4 29/30] drivers/vfio/vfio.c:1800:24: error: implicit declaration of function 'iommufd_vfio_set

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Message-ID: <202203020047.jhfhUk35-lkp@intel.com>
Date:   Wed, 2 Mar 2022 00:37:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     Liu Yi L <yi.l.liu@...el.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [luxis1999-iommufd:iommufd-v5.17-rc4 29/30]
 drivers/vfio/vfio.c:1800:24: 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: mips-randconfig-r015-20220301 (https://download.01.org/0day-ci/archive/20220302/202203020047.jhfhUk35-lkp@intel.com/config)
compiler: mipsel-linux-gcc (GCC) 11.2.0
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=gcc-11.2.0 make.cross O=build_dir ARCH=mips SHELL=/bin/bash drivers/

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: In function '__vfio_group_unset_container':
   drivers/vfio/vfio.c:1088:17: error: too many arguments to function 'vfio_group_unset_iommufd'
    1088 |                 vfio_group_unset_iommufd(group->iommufd, &group->device_list);
         |                 ^~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/vfio/vfio.c:35:
   include/linux/iommufd.h:57:20: note: declared here
      57 | static inline void vfio_group_unset_iommufd(void *iommufd)
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~
   drivers/vfio/vfio.c: In function 'vfio_group_set_container':
   drivers/vfio/vfio.c:1166:49: error: passing argument 2 of 'vfio_group_set_iommufd' from incompatible pointer type [-Werror=incompatible-pointer-types]
    1166 |                                                 &group->device_list);
         |                                                 ^~~~~~~~~~~~~~~~~~~
         |                                                 |
         |                                                 struct list_head *
   In file included from drivers/vfio/vfio.c:35:
   include/linux/iommufd.h:51:70: note: expected 'struct iommu_group *' but argument is of type 'struct list_head *'
      51 | static inline int vfio_group_set_iommufd(int fd, struct iommu_group *group,
         |                                                  ~~~~~~~~~~~~~~~~~~~~^~~~~
   drivers/vfio/vfio.c:1165:26: error: too few arguments to function 'vfio_group_set_iommufd'
    1165 |         group->iommufd = vfio_group_set_iommufd(container_fd,
         |                          ^~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/vfio/vfio.c:35:
   include/linux/iommufd.h:51:19: note: declared here
      51 | static inline int vfio_group_set_iommufd(int fd, struct iommu_group *group,
         |                   ^~~~~~~~~~~~~~~~~~~~~~
   drivers/vfio/vfio.c: In function 'vfio_external_check_extension':
>> drivers/vfio/vfio.c:1800:24: error: implicit declaration of function 'iommufd_vfio_set_iommu' [-Werror=implicit-function-declaration]
    1800 |                 return iommufd_vfio_set_iommu(group->iommufd, arg);
         |                        ^~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


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