tree: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master head: 691505a803a7f223b2af621848d581259c61f77d commit: 49c4cd80354b948f0901d301b94d4b8dcafc9e04 [124/137] crypto: atmel - fix data types for __be{32,64} reproduce: # apt-get install sparse # sparse version: v0.6.1-dirty git checkout 49c4cd80354b948f0901d301b94d4b8dcafc9e04 make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/crypto/atmel-aes.c:2076:40: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected restricted __be32 const [usertype] *iv @@ got t [usertype] *iv @@ >> drivers/crypto/atmel-aes.c:2076:40: sparse: expected restricted __be32 const [usertype] *iv >> drivers/crypto/atmel-aes.c:2076:40: sparse: got unsigned int * vim +2076 drivers/crypto/atmel-aes.c 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2043 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2044 static int atmel_aes_authenc_transfer(struct atmel_aes_dev *dd, int err, 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2045 bool is_async) 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2046 { 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2047 struct aead_request *req = aead_request_cast(dd->areq); 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2048 struct atmel_aes_authenc_reqctx *rctx = aead_request_ctx(req); 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2049 bool enc = atmel_aes_is_encrypt(dd); 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2050 struct scatterlist *src, *dst; 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2051 u32 iv[AES_BLOCK_SIZE / sizeof(u32)]; 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2052 u32 emr; 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2053 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2054 if (is_async) 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2055 dd->is_async = true; 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2056 if (err) 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2057 return atmel_aes_complete(dd, err); 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2058 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2059 /* Prepare src and dst scatter-lists to transfer cipher/plain texts. */ 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2060 src = scatterwalk_ffwd(rctx->src, req->src, req->assoclen); 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2061 dst = src; 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2062 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2063 if (req->src != req->dst) 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2064 dst = scatterwalk_ffwd(rctx->dst, req->dst, req->assoclen); 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2065 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2066 /* Configure the AES device. */ 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2067 memcpy(iv, req->iv, sizeof(iv)); 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2068 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2069 /* 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2070 * Here we always set the 2nd parameter of atmel_aes_write_ctrl() to 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2071 * 'true' even if the data transfer is actually performed by the CPU (so 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2072 * not by the DMA) because we must force the AES_MR_SMOD bitfield to the 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2073 * value AES_MR_SMOD_IDATAR0. Indeed, both AES_MR_SMOD and SHA_MR_SMOD 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2074 * must be set to *_MR_SMOD_IDATAR0. 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2075 */ 89a82ef87e0120 Cyrille Pitchen 2017-01-26 @2076 atmel_aes_write_ctrl(dd, true, iv); 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2077 emr = AES_EMR_PLIPEN; 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2078 if (!enc) 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2079 emr |= AES_EMR_PLIPD; 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2080 atmel_aes_write(dd, AES_EMR, emr); 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2081 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2082 /* Transfer data. */ 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2083 return atmel_aes_dma_start(dd, src, dst, rctx->textlen, 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2084 atmel_aes_authenc_digest); 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2085 } 89a82ef87e0120 Cyrille Pitchen 2017-01-26 2086 :::::: The code at line 2076 was first introduced by commit :::::: 89a82ef87e012061989fcaf7dd51d706ff2090e3 crypto: atmel-authenc - add support to authenc(hmac(shaX), Y(aes)) modes :::::: TO: Cyrille Pitchen <cyrille.pitchen@xxxxxxxxx> :::::: CC: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
