Re: [PATCH v4 01/11] crypto: qce: sha: Restore/save ahash state with custom struct in export/import

Hi Thara,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on cryptodev/master]
[also build test ERROR on crypto/master v5.11-rc6 next-20210125]
[cannot apply to sparc-next/master]
[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]

url:    https://github.com/0day-ci/linux/commits/Thara-Gopinath/Regression-fixes-clean-ups-in-the-Qualcomm-crypto-engine-driver/20210203-224305
base:   https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
config: arm64-randconfig-r015-20210203 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 275c6af7d7f1ed63a03d05b4484413e447133269)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/0day-ci/linux/commit/18c745a3388dabe161a44656ea89663fa6791484
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Thara-Gopinath/Regression-fixes-clean-ups-in-the-Qualcomm-crypto-engine-driver/20210203-224305
        git checkout 18c745a3388dabe161a44656ea89663fa6791484
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

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

All errors (new ones prefixed by >>):

quoted

drivers/crypto/qce/sha.c:166:30: error: initializing 'struct qce_sha_saved_state *' with an expression of type 'const void *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]

           struct qce_sha_saved_state *import_state = in;
                                       ^              ~~
   1 error generated.


vim +166 drivers/crypto/qce/sha.c

   162	
   163	static int qce_ahash_import(struct ahash_request *req, const void *in)
   164	{
   165		struct qce_sha_reqctx *rctx = ahash_request_ctx(req);
 > 166		struct qce_sha_saved_state *import_state = in;
   167	
   168		memset(rctx, 0, sizeof(*rctx));
   169		rctx->count = import_state->count;
   170		rctx->buflen = import_state->pending_buflen;
   171		rctx->first_blk = import_state->first_blk;
   172		rctx->flags = import_state->flags;
   173		rctx->byte_count[0] = import_state->byte_count[0];
   174		rctx->byte_count[1] = import_state->byte_count[1];
   175		memcpy(rctx->buf, import_state->pending_buf, rctx->buflen);
   176		memcpy(rctx->digest, import_state->partial_digest, sizeof(rctx->digest));
   177	
   178		return 0;
   179	}
   180	

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