Re: [PATCH 5/5] media: v4l2-async: Create links during v4l2_async_match_notify()

[kernel test robot <lkp@intel.com>]

Hi Daniel,

I love your patch! Yet something to improve:

[auto build test ERROR on media-tree/master]
[also build test ERROR on v5.16-rc5 next-20211215]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Daniel-Scally/Introduce-ancillary-links/20211214-073020
base:   git://linuxtv.org/media_tree.git master
config: x86_64-randconfig-r015-20211216 (https://download.01.org/0day-ci/archive/20211216/202112161906.gHHRLukN-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project dd245bab9fbb364faa1581e4f92ba3119a872fba)
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/0day-ci/linux/commit/7e7fcd65e8144f3ffa337760c26fb786f4028466
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Daniel-Scally/Introduce-ancillary-links/20211214-073020
        git checkout 7e7fcd65e8144f3ffa337760c26fb786f4028466
        # 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=x86_64 SHELL=/bin/bash drivers/media/v4l2-core/

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/media/v4l2-core/v4l2-async.c:284:10: error: no member named 'entity' in 'struct v4l2_subdev'
           if (sd->entity.function != MEDIA_ENT_F_LENS &&
               ~~  ^
   drivers/media/v4l2-core/v4l2-async.c:285:10: error: no member named 'entity' in 'struct v4l2_subdev'
               sd->entity.function != MEDIA_ENT_F_FLASH)
               ~~  ^
   drivers/media/v4l2-core/v4l2-async.c:288:52: error: no member named 'entity' in 'struct v4l2_subdev'
           link = media_create_ancillary_link(&notifier->sd->entity, &sd->entity,
                                               ~~~~~~~~~~~~  ^
   drivers/media/v4l2-core/v4l2-async.c:288:65: error: no member named 'entity' in 'struct v4l2_subdev'
           link = media_create_ancillary_link(&notifier->sd->entity, &sd->entity,
                                                                      ~~  ^
   drivers/media/v4l2-core/v4l2-async.c:309:24: error: no member named 'entity' in 'struct v4l2_subdev'
           switch (notifier->sd->entity.function) {
                   ~~~~~~~~~~~~  ^
   5 errors generated.


vim +284 drivers/media/v4l2-core/v4l2-async.c

   277	
   278	static int
   279	__v4l2_async_create_ancillary_link(struct v4l2_async_notifier *notifier,
   280					   struct v4l2_subdev *sd)
   281	{
   282		struct media_link *link;
   283	
 > 284		if (sd->entity.function != MEDIA_ENT_F_LENS &&
   285		    sd->entity.function != MEDIA_ENT_F_FLASH)
   286			return -EINVAL;
   287	
   288		link = media_create_ancillary_link(&notifier->sd->entity, &sd->entity,
   289						   MEDIA_LNK_FL_ENABLED |
   290						   MEDIA_LNK_FL_IMMUTABLE);
   291	
   292		return IS_ERR(link) ? PTR_ERR(link) : 0;
   293	}
   294	

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