[cryptodev:master 169/199] ERROR: modpost: "cert_sig_digest_update" undefined!

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
head:   ed4424f2fb02497b0ea92bf58c533c598c0da1d3
commit: 215525639631ade1d67e879fe2c3d7195daa9f59 [169/199] X.509: support OSCCA SM2-with-SM3 certificate verification
config: nds32-randconfig-r003-20201002 (attached as .config)
compiler: nds32le-linux-gcc (GCC) 9.3.0
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/herbert/cryptodev-2.6.git/commit/?id=215525639631ade1d67e879fe2c3d7195daa9f59
        git remote add cryptodev https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git
        git fetch --no-tags cryptodev master
        git checkout 215525639631ade1d67e879fe2c3d7195daa9f59
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>

All errors (new ones prefixed by >>, old ones prefixed by <<):

WARNING: modpost: missing MODULE_LICENSE() in crypto/asymmetric_keys/public_key_sm2.o

quoted

ERROR: modpost: "cert_sig_digest_update" [crypto/asymmetric_keys/public_key.ko] undefined!

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