[linux-next:master 6799/11234] drivers/firmware/efi/libstub/efi-stub-helper.c:649:6: warning: no previous prototype for 'efi_measure_initrd'

[linux-next:master 6799/11234] drivers/firmware/efi/libstub/efi-stub-helper.c:649:6: warning: no previous prototype for 'efi_measure_initrd'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   3770333b3f8cb7c9110889853afaa49777c26ea7
commit: 21e42b00f779ceeac0eb022c747d8f0953805897 [6799/11234] efi/libstub: measure loaded initrd info into the TPM
config: arm64-defconfig (https://download.01.org/0day-ci/archive/20220107/202201070448.597t6fi7-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 11.2.0
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/next/linux-next.git/commit/?id=21e42b00f779ceeac0eb022c747d8f0953805897
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 21e42b00f779ceeac0eb022c747d8f0953805897
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/firmware/efi/libstub/

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/firmware/efi/libstub/efi-stub-helper.c:649:6: warning: no previous prototype for 'efi_measure_initrd' [-Wmissing-prototypes]
     649 | void efi_measure_initrd(unsigned long load_addr, unsigned long load_size)
         |      ^~~~~~~~~~~~~~~~~~


vim +/efi_measure_initrd +649 drivers/firmware/efi/libstub/efi-stub-helper.c

   648	
 > 649	void efi_measure_initrd(unsigned long load_addr, unsigned long load_size)
   650	{
   651		efi_guid_t tcg2_guid = EFI_TCG2_PROTOCOL_GUID;
   652		efi_tcg2_protocol_t *tcg2 = NULL;
   653		efi_status_t status;
   654	
   655		efi_bs_call(locate_protocol, &tcg2_guid, NULL, (void **)&tcg2);
   656		if (tcg2) {
   657			status = efi_call_proto(tcg2, hash_log_extend_event,
   658						0, load_addr, load_size,
   659						&initrd_tcg2_event.event_data);
   660			if (status != EFI_SUCCESS)
   661				efi_warn("Failed to measure initrd data: 0x%lx\n",
   662					 status);
   663			else
   664				efi_info("Measured initrd data into PCR %d\n",
   665					 initrd_tcg2_event.event_data.event_header.pcr_index);
   666		}
   667	}
   668	

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