On Tue, Dec 29, 2020 at 11:26:45AM +0800, kernel test robot wrote: > 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 <lkp@xxxxxxxxx> > > > "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] * This patch should fix the problem. ---8<--- This patch changes the cast in stm32_cryp_check_ctr_counter from u32 to __be32 to match the prototype of stm32_cryp_hw_write_iv correctly. Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> diff --git a/drivers/crypto/stm32/stm32-cryp.c b/drivers/crypto/stm32/stm32-cryp.c index 2670c30332fa..2a4793176c71 100644 --- a/drivers/crypto/stm32/stm32-cryp.c +++ b/drivers/crypto/stm32/stm32-cryp.c @@ -1229,7 +1229,7 @@ static void stm32_cryp_check_ctr_counter(struct stm32_cryp *cryp) cr = stm32_cryp_read(cryp, CRYP_CR); stm32_cryp_write(cryp, CRYP_CR, cr & ~CR_CRYPEN); - stm32_cryp_hw_write_iv(cryp, (u32 *)cryp->last_ctr); + stm32_cryp_hw_write_iv(cryp, (__be32 *)cryp->last_ctr); stm32_cryp_write(cryp, CRYP_CR, cr); } -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
