[kbuild-all] [media-next:master 191/251] drivers/media/v4l2-core/v4l2-async.o: warning: objtool: v4l2_async_nf_register()+0x4a: unreachable instruction

CC: linux-kernel(a)vger.kernel.org TO: Sakari Ailus <sakari.ailus(a)linux.intel.com&gt; CC: Mauro Carvalho Chehab <mchehab(a)kernel.org&gt; CC: linux-media(a)vger.kernel.org CC: Jacopo Mondi <jacopo(a)jmondi.org&gt; CC: Rui Miguel Silva <rmfrfs(a)gmail.com&gt; tree: git://linuxtv.org/mchehab/media-next.git master head: b395ba42afd9ee3abafc389d15e0985172448927 commit: 7351a82788ee5f4d63b9a76c2745ce1482acaf1f [191/251] media: v4l: async: Rename async nf functions, clean up long lines config: x86_64-randconfig-c001-20210812 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 767496d19cb9a1fbba57ff08095faa161998ee36) 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 git remote add media-next git://linuxtv.org/mchehab/media-next.git git fetch --no-tags media-next master git checkout 7351a82788ee5f4d63b9a76c2745ce1482acaf1f # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/ kernel// If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): -- --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org