[l1k:spdm-future 18/46] crypto/ecdsa-x962.c:133:9: error: call to undeclared function 'crypto_digest_size'; ISO C99 and later do not support implicit function declarations

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

tree:   https://github.com/l1k/linux spdm-future
head:   fc9f4270fb1c1618a497f5bc1cf9eef4ac9032d2
commit: 4bea63ccdf35da2dfec51745eff4aedc115296a8 [18/46] crypto: ecdsa - Move X9.62 signature size calculation into template
config: i386-buildonly-randconfig-001-20240909 (https://download.01.org/0day-ci/archive/20240909/202409091230.da2DgHxt-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240909/202409091230.da2DgHxt-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409091230.da2DgHxt-lkp@intel.com/

All errors (new ones prefixed by >>):

>> crypto/ecdsa-x962.c:133:9: error: call to undeclared function 'crypto_digest_size'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     133 |         return crypto_digest_size(ctx->child);
         |                ^
   1 error generated.
--
>> crypto/ecdsa.c:180:9: error: use of undeclared identifier 'SHA512_DIGEST_SIZE'
     180 |         return SHA512_DIGEST_SIZE;
         |                ^
   1 error generated.


vim +/crypto_digest_size +133 crypto/ecdsa-x962.c

   128	
   129	static unsigned int ecdsa_x962_digest_size(struct crypto_sig *tfm)
   130	{
   131		struct ecdsa_x962_ctx *ctx = crypto_sig_ctx(tfm);
   132	
 > 133		return crypto_digest_size(ctx->child);
   134	}
   135	

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