[gustavoars:totally-untested/remaining-fam0 1/2] sound/pci/hda/patch_hdmi.c:232:12: error: flexible array member in union

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git totally-untested/remaining-fam0
head:   b0684d2f714f4ae515c283697c48d14e3ccef21b
commit: 9b8e2a44bb97e6316a5d268f9812543e2f6f1d44 [1/2] totally-untested: remaining zero-length arrays in unions in next-20220811
config: arm-defconfig (https://download.01.org/0day-ci/archive/20220812/202208122152.55690beQ-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/commit/?id=9b8e2a44bb97e6316a5d268f9812543e2f6f1d44
        git remote add gustavoars https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git
        git fetch --no-tags gustavoars totally-untested/remaining-fam0
        git checkout 9b8e2a44bb97e6316a5d268f9812543e2f6f1d44
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash sound/pci/hda/

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

All errors (new ones prefixed by >>):

>> sound/pci/hda/patch_hdmi.c:232:12: error: flexible array member in union
     232 |         u8 bytes[];
         |            ^~~~~


vim +232 sound/pci/hda/patch_hdmi.c

   228	
   229	union audio_infoframe {
   230		struct hdmi_audio_infoframe hdmi;
   231		struct dp_audio_infoframe dp;
 > 232		u8 bytes[];
   233	};
   234	

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