Re: [PATCH v3 1/6] drivers: crypto: qce: sha: Restore/save ahash state with custom struct in export/import

kernel test robot
2021-02-02T23:50:47Z

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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-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/20210121-032302
base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
config: arm64-randconfig-r024-20210202 (attached as .config)
compiler: aarch64-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://github.com/0day-ci/linux/commit/b282823110c3b59ae881393d33df0b0e7e0eb90b
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/20210121-032302
git checkout b282823110c3b59ae881393d33df0b0e7e0eb90b
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64

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

All warnings (new ones prefixed by >>):

drivers/crypto/qce/sha.c: In function 'qce_ahash_import':
>> drivers/crypto/qce/sha.c:166:45: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
166 | struct qce_sha_saved_state *import_state = in;
| ^~

vim +/const +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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