Re: [PATCH 2/4] media: v4l: async: Add devm_v4l2_async_register_subdev_sensor() helper

From: kernel test robot
Date: Thu Jul 24 2025 - 20:13:40 EST


Hi Tarang,

kernel test robot noticed the following build errors:

[auto build test ERROR on sailus-media-tree/master]
[also build test ERROR on linus/master v6.16-rc7 next-20250724]
[cannot apply to sailus-media-tree/streams]
[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#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Tarang-Raval/media-mc-Add-devm_media_entity_pads_init-helper/20250723-182930
base: git://linuxtv.org/sailus/media_tree.git master
patch link: https://lore.kernel.org/r/20250723102515.64585-3-tarang.raval%40siliconsignals.io
patch subject: [PATCH 2/4] media: v4l: async: Add devm_v4l2_async_register_subdev_sensor() helper
config: hexagon-randconfig-002-20250725 (https://download.01.org/0day-ci/archive/20250725/202507250804.YlLveyKO-lkp@xxxxxxxxx/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 853c343b45b3e83cc5eeef5a52fc8cc9d8a09252)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250725/202507250804.YlLveyKO-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507250804.YlLveyKO-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "v4l2_async_register_subdev_sensor" [drivers/media/v4l2-core/v4l2-async.ko] undefined!

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki