[hch-xfs:iomap-iter 11/30] fs/iomap/core.o: warning: objtool: iomap_iter()+0x633: unreachable instruction

[hch-xfs:iomap-iter 11/30] fs/iomap/core.o: warning: objtool: iomap_iter()+0x633: unreachable instruction

[kernel test robot]

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TO: Christoph Hellwig <hch@lst.de>

Hi Christoph,

First bad commit (maybe != root cause):

tree:   git://git.infradead.org/users/hch/xfs iomap-iter
head:   5ea33ef72af34123f4c1f33678c1cec75ddb74e8
commit: f811f565fff3a3cb071610944bbc39dcdb889afe [11/30] iomap: add the new iomap_iter model
config: x86_64-randconfig-r011-20210805 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 41a6b50c25961addc04438b567ee1f4ef9e40f98)
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 hch-xfs git://git.infradead.org/users/hch/xfs
        git fetch --no-tags hch-xfs iomap-iter
        git checkout f811f565fff3a3cb071610944bbc39dcdb889afe
        # 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 fs/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> fs/iomap/core.o: warning: objtool: iomap_iter()+0x633: unreachable instruction

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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