tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dea8dcf2a9fa8cc540136a6cd885c3beece16ec3 commit: bbb2832620ac4e136416aa97af7310636422dea9 crypto: stm32 - Fix sparse warnings date: 4 months ago config: arm-randconfig-s032-20201220 (attached as .config) compiler: arm-linux-gnueabi-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: v0.6.3-184-g1b896707-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bbb2832620ac4e136416aa97af7310636422dea9 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout bbb2832620ac4e136416aa97af7310636422dea9 # 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=arm
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
"sparse warnings: (new ones prefixed by >>)"
>> drivers/crypto/stm32/stm32-cryp.c:1232:47: sparse: sparse: incorrect type in
>> argument 2 (different base types) @@ expected restricted __be32
>> [usertype] *[assigned] iv @@ got unsigned int [usertype] * @@
drivers/crypto/stm32/stm32-cryp.c:1232:47: sparse: expected restricted
__be32 [usertype] *[assigned] iv
drivers/crypto/stm32/stm32-cryp.c:1232:47: sparse: got unsigned int
[usertype] *
vim +1232 drivers/crypto/stm32/stm32-cryp.c
9d3b5030bc1e44f Fabien DESSENNE 2018-02-07 1215
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1216 static void
stm32_cryp_check_ctr_counter(struct stm32_cryp *cryp)
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1217 {
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1218 u32 cr;
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1219
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1220 if
(unlikely(cryp->last_ctr[3] == 0xFFFFFFFF)) {
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1221
cryp->last_ctr[3] = 0;
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1222
cryp->last_ctr[2]++;
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1223 if
(!cryp->last_ctr[2]) {
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1224
cryp->last_ctr[1]++;
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1225 if
(!cryp->last_ctr[1])
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1226
cryp->last_ctr[0]++;
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1227 }
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1228
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1229 cr =
stm32_cryp_read(cryp, CRYP_CR);
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1230
stm32_cryp_write(cryp, CRYP_CR, cr & ~CR_CRYPEN);
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1231
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 @1232
stm32_cryp_hw_write_iv(cryp, (u32 *)cryp->last_ctr);
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1233
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1234
stm32_cryp_write(cryp, CRYP_CR, cr);
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1235 }
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1236
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1237 cryp->last_ctr[0] =
stm32_cryp_read(cryp, CRYP_IV0LR);
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1238 cryp->last_ctr[1] =
stm32_cryp_read(cryp, CRYP_IV0RR);
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1239 cryp->last_ctr[2] =
stm32_cryp_read(cryp, CRYP_IV1LR);
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1240 cryp->last_ctr[3] =
stm32_cryp_read(cryp, CRYP_IV1RR);
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1241 }
9e054ec21ef8344 Fabien DESSENNE 2017-10-19 1242
:::::: The code at line 1232 was first introduced by commit
:::::: 9e054ec21ef8344345b28603fb272fe999f735db crypto: stm32 - Support for
STM32 CRYP crypto module
:::::: TO: Fabien DESSENNE <fabien.desse...@st.com>
:::::: CC: Herbert Xu <herb...@gondor.apana.org.au>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
