drivers/media/mc/mc-request.o: warning: objtool: media_request_object_put()+0xda: unreachable instruction

[kernel test robot <lkp@intel.com>]

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CC: linux-kernel(a)vger.kernel.org
TO: Vasily Gorbik <gor@linux.ibm.com>
CC: Josh Poimboeuf <jpoimboe@redhat.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   79160a603bdb51916226caf4a6616cc4e1c58a58
commit: f1069a8756b9e9f6c055e709740d2d66650f0fb0 compiler.h: Avoid using inline asm operand modifiers
date:   7 weeks ago
config: x86_64-randconfig-r006-20210706 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 873e8b96b1226d64e4f95083147d8592ba7bd5d8)
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/?id=f1069a8756b9e9f6c055e709740d2d66650f0fb0
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout f1069a8756b9e9f6c055e709740d2d66650f0fb0
        # 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 arch/x86/ crypto// drivers/ fs// kernel// lib// mm// net/ security//

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 >>):

>> drivers/media/mc/mc-request.o: warning: objtool: media_request_object_put()+0xda: unreachable instruction
--
>> net/ethtool/common.o: warning: objtool: ethtool_check_ops()+0x75: unreachable instruction
--
>> net/ethtool/ioctl.o: warning: objtool: ethtool_get_sset_info()+0x562: unreachable instruction
--
>> net/ipv4/tcp_output.o: warning: objtool: tcp_send_loss_probe()+0x818: unreachable instruction
--
>> net/ipv4/nexthop.o: warning: objtool: rtm_get_nexthop()+0x23e: unreachable instruction
--
>> net/ipv4/route.o: warning: objtool: ipv4_cow_metrics()+0x7: unreachable instruction
--
>> net/ipv4/ip_sockglue.o: warning: objtool: ip_setsockopt()+0x38f0: unreachable instruction
--
>> drivers/media/test-drivers/vimc/vimc-debayer.o: warning: objtool: vimc_deb_set_fmt()+0x66e: unreachable instruction
--
>> drivers/media/test-drivers/vimc/vimc-sensor.o: warning: objtool: vimc_sen_get_fmt()+0xd9: unreachable instruction
--
>> drivers/input/serio/libps2.o: warning: objtool: ps2_drain()+0x38: unreachable instruction
--
>> drivers/input/evdev.o: warning: objtool: bits_to_user()+0xb9: 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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