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: x86_64-defconfig (https://download.01.org/0day-ci/archive/20230120/202301200320.AbLvd1xh-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # 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 make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 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: vmlinux.o: in function `videodev_init': >> v4l2-dev.c:(.init.text+0x4c7c5): undefined reference to `v4l2_async_debugfs_init' ld: vmlinux.o: in function `videodev_exit': >> v4l2-dev.c:(.exit.text+0x1f95): undefined reference to `v4l2_async_debugfs_exit' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
