Re: [PATCH v2 01/11] tpm: move buffer handling from static inlines to real functions

[kernel test robot <lkp@xxxxxxxxx>]

Hi James,

I love your patch! Perhaps something to improve:

[auto build test WARNING on char-misc/char-misc-testing]
[also build test WARNING on char-misc/char-misc-next char-misc/char-misc-linus zohar-integrity/next-integrity linus/master v6.2-rc5 next-20230124]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/James-Bottomley/tpm-move-buffer-handling-from-static-inlines-to-real-functions/20230125-020146
patch link:    https://lore.kernel.org/r/20230124175516.5984-2-James.Bottomley%40HansenPartnership.com
patch subject: [PATCH v2 01/11] tpm: move buffer handling from static inlines to real functions
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230125/202301250315.ZgtsNzSm-lkp@xxxxxxxxx/config)
compiler: sparc64-linux-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://github.com/intel-lab-lkp/linux/commit/484b879d0bfceec899fea147a76d12f7072d9f23
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review James-Bottomley/tpm-move-buffer-handling-from-static-inlines-to-real-functions/20230125-020146
        git checkout 484b879d0bfceec899fea147a76d12f7072d9f23
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/char/tpm/

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

All warnings (new ones prefixed by >>):

>> drivers/char/tpm/tpm-buf.c:46:5: warning: no previous prototype for 'tpm_buf_tag' [-Wmissing-prototypes]
      46 | u16 tpm_buf_tag(struct tpm_buf *buf)
         |     ^~~~~~~~~~~


vim +/tpm_buf_tag +46 drivers/char/tpm/tpm-buf.c

    45	
  > 46	u16 tpm_buf_tag(struct tpm_buf *buf)
    47	{
    48		struct tpm_header *head = (struct tpm_header *)buf->data;
    49	
    50		return be16_to_cpu(head->tag);
    51	}
    52	EXPORT_SYMBOL_GPL(tpm_buf_tag);
    53	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests