linux-kernel - Re: [PATCH v2 1/6] drivers: crypto: qce: sha: Restore/save ahash state with custom struct in export/import

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Date:   Tue, 12 Jan 2021 17:24:28 +0800
From:   kernel test robot <lkp@...el.com>
To:     Thara Gopinath <thara.gopinath@...aro.org>,
        herbert@...dor.apana.org.au, davem@...emloft.net,
        bjorn.andersson@...aro.org
Cc:     kbuild-all@...ts.01.org, ebiggers@...gle.com, ardb@...nel.org,
        sivaprak@...eaurora.org, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/6] drivers: crypto: qce: sha: Restore/save ahash
 state with custom struct in export/import

Hi Thara,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on cryptodev/master]
[also build test WARNING on crypto/master v5.11-rc3 next-20210111]
[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/20210112-111157
base:   https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
config: ia64-randconfig-s032-20210111 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-208-g46a52ca4-dirty
        # https://github.com/0day-ci/linux/commit/b7360d9135da2031f189ad275a4d7765966ac93e
        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/20210112-111157
        git checkout b7360d9135da2031f189ad275a4d7765966ac93e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=ia64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>


"sparse warnings: (new ones prefixed by >>)"
>> drivers/crypto/qce/sha.c:166:52: sparse: sparse: incorrect type in initializer (different modifiers) @@     expected struct qce_sha_saved_state *import_state @@     got void const *in @@
   drivers/crypto/qce/sha.c:166:52: sparse:     expected struct qce_sha_saved_state *import_state
   drivers/crypto/qce/sha.c:166:52: sparse:     got void const *in

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		memcpy(rctx->buf, import_state->pending_buf, rctx->buflen);
   174		memcpy(rctx->digest, import_state->partial_digest,
   175		       sizeof(rctx->digest));
   176		memcpy(rctx->byte_count, import_state->byte_count, 2);
   177	
   178		return 0;
   179	}
   180	

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

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