[linux-stable-rc:linux-5.4.y 6233/7163] sound/usb/validate.o: warning: objtool: snd_usb_validate_midi_desc()+0x2d: can't find switch jump table

[linux-stable-rc:linux-5.4.y 6233/7163] sound/usb/validate.o: warning: objtool: snd_usb_validate_midi_desc()+0x2d: can't find switch jump table

[kernel test robot]

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TO: Takashi Iwai <tiwai@suse.de>
CC: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>

Hi Takashi,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
head:   4e778e863160695fca936b0a9452e94fc9824a76
commit: 2136ecfcf3d90ca3adb467db755c025e379b217d [6233/7163] ALSA: usb-audio: More constifications
config: x86_64-randconfig-r024-20210617 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401)
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/stable/linux-stable-rc.git/commit/?id=2136ecfcf3d90ca3adb467db755c025e379b217d
        git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
        git fetch --no-tags linux-stable-rc linux-5.4.y
        git checkout 2136ecfcf3d90ca3adb467db755c025e379b217d
        # 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@intel.com>

All warnings (new ones prefixed by >>):

>> sound/usb/validate.o: warning: objtool: snd_usb_validate_midi_desc()+0x2d: can't find switch jump table

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

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