[kbuild-all] drivers/mtd/nand/raw/nand_base.o: warning: objtool: nand_read_oob()+0x1bf6: unreachable instruction

CC: linux-kernel(a)vger.kernel.org TO: Miquel Raynal <miquel.raynal(a)bootlin.com&gt; CC: Boris Brezillon <bbrezillon(a)kernel.org&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f40ddce88593482919761f74910f42f4b84c004b commit: 0651ed5082bc5af45be9f79cabcbc32c1cf4e599 mtd: rawnand: Ensure the number of bitflips is consistent date: 9 months ago config: x86_64-randconfig-a013-20210216 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 0651ed5082bc5af45be9f79cabcbc32c1cf4e599 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 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