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warning: Function parameter or member 'device' not described in 'vfio_device_put' Message-ID: <202610192036.15w73rFB-lkp@intel.com> User-Agent: s-nail v14.9.25 X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list tree: https://android.googlesource.com/kernel/common android13-5.10-2026-10 head: a4c2f82969bc5fa7fcc21ede4b690ece7ff72335 commit: a2fbf4acd28069d4922c33e4b5b0d58fc38073f8 [1/1] vfio: Split creation of a vfio_device into init and register ops config: arm-randconfig-r2104-20261018 (https://download.01.org/0day-ci/archive/20261019/202610192036.15w73rFB-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261019/202610192036.15w73rFB-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202610192036.15w73rFB-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/vfio/vfio.c:214: warning: Function parameter or member 'ops' not described in 'vfio_register_iommu_driver' drivers/vfio/vfio.c:263: warning: Function parameter or member 'group' not described in 'vfio_alloc_group_minor' drivers/vfio/vfio.c:283: warning: Function parameter or member 'container' not described in 'vfio_container_get' drivers/vfio/vfio.c:315: warning: Function parameter or member 'iommu_group' not described in 'vfio_create_group' >> drivers/vfio/vfio.c:527: warning: Function parameter or member 'device' not described in 'vfio_device_put' drivers/vfio/vfio.c:633: warning: Function parameter or member 'group' not described in 'vfio_group_nb_add_dev' drivers/vfio/vfio.c:633: warning: Function parameter or member 'dev' not described in 'vfio_group_nb_add_dev' >> drivers/vfio/vfio.c:745: warning: Function parameter or member 'device' not described in 'vfio_init_group_dev' >> drivers/vfio/vfio.c:745: warning: Function parameter or member 'dev' not described in 'vfio_init_group_dev' >> drivers/vfio/vfio.c:745: warning: Function parameter or member 'ops' not described in 'vfio_init_group_dev' >> drivers/vfio/vfio.c:745: warning: Function parameter or member 'device_data' not described in 'vfio_init_group_dev' drivers/vfio/vfio.c:833: warning: Function parameter or member 'dev' not described in 'vfio_device_get_from_dev' drivers/vfio/vfio.c:982: warning: Function parameter or member 'container' not described in 'vfio_ioctl_check_extension' drivers/vfio/vfio.c:982: warning: Function parameter or member 'arg' not described in 'vfio_ioctl_check_extension' drivers/vfio/vfio.c:1253: warning: Function parameter or member 'group' not described in '__vfio_group_unset_container' drivers/vfio/vfio.c:1588: warning: Function parameter or member 'inode' not described in 'vfio_device_fops_release' drivers/vfio/vfio.c:1588: warning: Function parameter or member 'filep' not described in 'vfio_device_fops_release' drivers/vfio/vfio.c:1682: warning: Function parameter or member 'filep' not described in 'vfio_group_get_external_user' drivers/vfio/vfio.c:1719: warning: Function parameter or member 'dev' not described in 'vfio_group_get_external_user_from_dev' drivers/vfio/vfio.c:1779: warning: Function parameter or member 'caps' not described in 'vfio_info_cap_add' drivers/vfio/vfio.c:1779: warning: Function parameter or member 'size' not described in 'vfio_info_cap_add' drivers/vfio/vfio.c:1779: warning: Function parameter or member 'id' not described in 'vfio_info_cap_add' drivers/vfio/vfio.c:1779: warning: Function parameter or member 'version' not described in 'vfio_info_cap_add' drivers/vfio/vfio.c:2298: warning: Function parameter or member 'dev' not described in 'vfio_devnode' drivers/vfio/vfio.c:2298: warning: Function parameter or member 'mode' not described in 'vfio_devnode' vim +527 drivers/vfio/vfio.c 7ed3ea8a71187a Kirti Wankhede 2016-11-17 521 cba3345cc494ad Alex Williamson 2012-07-31 522 /** cba3345cc494ad Alex Williamson 2012-07-31 523 * Device objects - create, release, get, put, search cba3345cc494ad Alex Williamson 2012-07-31 524 */ cba3345cc494ad Alex Williamson 2012-07-31 525 /* Device reference always implies a group reference */ 44f507163d9e51 Vijay Mohan Pandarathil 2013-03-11 526 void vfio_device_put(struct vfio_device *device) cba3345cc494ad Alex Williamson 2012-07-31 @527 { f54fa910e6cb5b Jason Gunthorpe 2021-03-30 528 if (refcount_dec_and_test(&device->refcount)) f54fa910e6cb5b Jason Gunthorpe 2021-03-30 529 complete(&device->comp); cba3345cc494ad Alex Williamson 2012-07-31 530 } 44f507163d9e51 Vijay Mohan Pandarathil 2013-03-11 531 EXPORT_SYMBOL_GPL(vfio_device_put); cba3345cc494ad Alex Williamson 2012-07-31 532 :::::: The code at line 527 was first introduced by commit :::::: cba3345cc494ad286ca8823f44b2c16cae496679 vfio: VFIO core :::::: TO: Alex Williamson :::::: CC: Alex Williamson -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki