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

From: kernel test robot
Date: Tue Jan 12 2021 - 04:25:30 EST


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@xxxxxxxxx>


"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@xxxxxxxxxxxx

Attachment: .config.gz
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