Hi, [auto build test WARNING on net-next/master] [also build test WARNING on v4.7-rc7 next-20160711] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Yeshaswi-M-R-Gowda/crypto-chcr-Add-Chelsio-Crypto-Driver/20160712-023513 config: i386-allmodconfig (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): drivers/crypto/chelsio/chcr_core.c: In function 'cpl_fw6_pld_handler': >> drivers/crypto/chelsio/chcr_core.c:134:8: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] req = (struct crypto_async_request *)cookie; ^ -- In file included from include/linux/swab.h:4:0, from include/uapi/linux/byteorder/little_endian.h:12, from include/linux/byteorder/little_endian.h:4, from arch/x86/include/uapi/asm/byteorder.h:4, from include/asm-generic/bitops/le.h:5, from arch/x86/include/asm/bitops.h:504, from include/linux/bitops.h:36, from include/linux/kernel.h:10, from drivers/crypto/chelsio/chcr_algo.c:42: drivers/crypto/chelsio/chcr_algo.c: In function 'create_wreq': >> drivers/crypto/chelsio/chcr_algo.c:454:29: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] wreq->cookie = cpu_to_be64((u64)req); ^ include/uapi/linux/swab.h:126:54: note: in definition of macro '__swab64' #define __swab64(x) (__u64)__builtin_bswap64((__u64)(x)) ^ >> include/linux/byteorder/generic.h:91:21: note: in expansion of macro '__cpu_to_be64' #define cpu_to_be64 __cpu_to_be64 ^~~~~~~~~~~~~ >> drivers/crypto/chelsio/chcr_algo.c:454:17: note: in expansion of macro 'cpu_to_be64' wreq->cookie = cpu_to_be64((u64)req); ^~~~~~~~~~~ drivers/crypto/chelsio/chcr_algo.c: In function 'chcr_register_alg': >> drivers/crypto/chelsio/chcr_algo.c:1471:48: warning: operation on 'driver_algs[i].alg.hash.halg.base.cra_init' may be undefined [-Wsequence-point] driver_algs[i].alg.hash.halg.base.cra_init = ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ driver_algs[i].alg.hash.halg.base.cra_init = ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ chcr_hmac_cra_init; ~~~~~~~~~~~~~~~~~~ vim +134 drivers/crypto/chelsio/chcr_core.c 5c923415 Yeshaswi M R Gowda 2016-07-11 118 u_ctx->dev = NULL; 5c923415 Yeshaswi M R Gowda 2016-07-11 119 atomic_dec(&dev_count); 5c923415 Yeshaswi M R Gowda 2016-07-11 120 return 0; 5c923415 Yeshaswi M R Gowda 2016-07-11 121 } 5c923415 Yeshaswi M R Gowda 2016-07-11 122 5c923415 Yeshaswi M R Gowda 2016-07-11 123 static int cpl_fw6_pld_handler(struct chcr_dev *dev, 5c923415 Yeshaswi M R Gowda 2016-07-11 124 unsigned char *input) 5c923415 Yeshaswi M R Gowda 2016-07-11 125 { 5c923415 Yeshaswi M R Gowda 2016-07-11 126 struct crypto_async_request *req; 5c923415 Yeshaswi M R Gowda 2016-07-11 127 struct cpl_fw6_pld *fw6_pld; 5c923415 Yeshaswi M R Gowda 2016-07-11 128 u64 cookie; 5c923415 Yeshaswi M R Gowda 2016-07-11 129 u32 ack_err_status = 0; 5c923415 Yeshaswi M R Gowda 2016-07-11 130 int error_status = 0; 5c923415 Yeshaswi M R Gowda 2016-07-11 131 5c923415 Yeshaswi M R Gowda 2016-07-11 132 fw6_pld = (struct cpl_fw6_pld *)input; 5c923415 Yeshaswi M R Gowda 2016-07-11 133 cookie = be64_to_cpu(fw6_pld->data[1]); 5c923415 Yeshaswi M R Gowda 2016-07-11 @134 req = (struct crypto_async_request *)cookie; 5c923415 Yeshaswi M R Gowda 2016-07-11 135 5c923415 Yeshaswi M R Gowda 2016-07-11 136 ack_err_status = 5c923415 Yeshaswi M R Gowda 2016-07-11 137 ntohl(*(__be32 *)((unsigned char *)&fw6_pld->data[0] + 4)); 5c923415 Yeshaswi M R Gowda 2016-07-11 138 if (ack_err_status) { 5c923415 Yeshaswi M R Gowda 2016-07-11 139 if (CHK_MAC_ERR_BIT(ack_err_status) || 5c923415 Yeshaswi M R Gowda 2016-07-11 140 CHK_PAD_ERR_BIT(ack_err_status)) 5c923415 Yeshaswi M R Gowda 2016-07-11 141 error_status = -EINVAL; 5c923415 Yeshaswi M R Gowda 2016-07-11 142 } :::::: The code at line 134 was first introduced by commit :::::: 5c9234157776103907606c9f4c93a311467e246f chcr: Support for Chelsio's Crypto Hardware :::::: TO: Yeshaswi M R Gowda <yeshaswi@xxxxxxxxxxx> :::::: CC: 0day robot <fengguang.wu@xxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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