Hi Hans, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v6.2-rc4] [cannot apply to media-tree/master pavel-leds/for-next next-20230119] [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/Hans-de-Goede/leds-led-class-Add-missing-put_device-to-led_put/20230119-210441 patch link: https://lore.kernel.org/r/20230119130053.111344-7-hdegoede%40redhat.com patch subject: [PATCH v4 06/11] media: v4l2-core: Built async and fwnode code into videodev.ko config: i386-randconfig-a004 (https://download.01.org/0day-ci/archive/20230120/202301200441.zHWxHnG4-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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/intel-lab-lkp/linux/commit/adfeffb48aad34dd2148e22caaf13d67cd92c285 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Hans-de-Goede/leds-led-class-Add-missing-put_device-to-led_put/20230119-210441 git checkout adfeffb48aad34dd2148e22caaf13d67cd92c285 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: v4l2_async_debugfs_exit >>> referenced by v4l2-dev.c:1202 (drivers/media/v4l2-core/v4l2-dev.c:1202) >>> drivers/media/v4l2-core/v4l2-dev.o:(videodev_exit) in archive vmlinux.a -- >> ld.lld: error: undefined symbol: v4l2_async_debugfs_init >>> referenced by v4l2-dev.c:1194 (drivers/media/v4l2-core/v4l2-dev.c:1194) >>> drivers/media/v4l2-core/v4l2-dev.o:(videodev_init) in archive vmlinux.a -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
