| Message ID | E1aNKZn-0008FU-OU@gondolin.me.apana.org.au |
|---|---|
| State | Not Applicable, archived |
| Delegated to: | David Miller |
| Headers | show |
Hi Herbert,
[auto build test ERROR on net/master]
[also build test ERROR on v4.4 next-20160122]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Herbert-Xu/crypto-Use-skcipher-and-ahash-shash-where-possible/20160124-212323
config: x86_64-randconfig-x014-201604 (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
drivers/nfc/s3fwrn5/firmware.c: In function 's3fwrn5_fw_download':
>> drivers/nfc/s3fwrn5/firmware.c:456:3: error: implicit declaration of function 'shash_desc_zero' [-Werror=implicit-function-declaration]
shash_desc_zero(desc);
^
cc1: some warnings being treated as errors
vim +/shash_desc_zero +456 drivers/nfc/s3fwrn5/firmware.c
450
451 desc->tfm = tfm;
452 desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
453
454 ret = crypto_shash_digest(desc, fw->image, image_size,
455 hash_data);
> 456 shash_desc_zero(desc);
457 }
458
459 crypto_free_shash(tfm);
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
diff --git a/drivers/nfc/s3fwrn5/firmware.c b/drivers/nfc/s3fwrn5/firmware.c index 64a9025..5f97da1 100644 --- a/drivers/nfc/s3fwrn5/firmware.c +++ b/drivers/nfc/s3fwrn5/firmware.c @@ -19,7 +19,7 @@ #include <linux/completion.h> #include <linux/firmware.h> -#include <linux/crypto.h> +#include <crypto/hash.h> #include <crypto/sha.h> #include "s3fwrn5.h" @@ -429,8 +429,7 @@ int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info) { struct s3fwrn5_fw_image *fw = &fw_info->fw; u8 hash_data[SHA1_DIGEST_SIZE]; - struct scatterlist sg; - struct hash_desc desc; + struct crypto_shash *tfm; u32 image_size, off; int ret; @@ -438,12 +437,31 @@ int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info) /* Compute SHA of firmware data */ - sg_init_one(&sg, fw->image, image_size); - desc.tfm = crypto_alloc_hash("sha1", 0, CRYPTO_ALG_ASYNC); - crypto_hash_init(&desc); - crypto_hash_update(&desc, &sg, image_size); - crypto_hash_final(&desc, hash_data); - crypto_free_hash(desc.tfm); + tfm = crypto_alloc_shash("sha1", 0, 0); + if (IS_ERR(tfm)) { + ret = PTR_ERR(tfm); + dev_err(&fw_info->ndev->nfc_dev->dev, + "Cannot allocate shash (code=%d)\n", ret); + goto out; + } + + { + SHASH_DESC_ON_STACK(desc, tfm); + + desc->tfm = tfm; + desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP; + + ret = crypto_shash_digest(desc, fw->image, image_size, + hash_data); + shash_desc_zero(desc); + } + + crypto_free_shash(tfm); + if (ret) { + dev_err(&fw_info->ndev->nfc_dev->dev, + "Cannot compute hash (code=%d)\n", ret); + goto out; + } /* Firmware update process */
This patch replaces uses of the long obsolete hash interface with shash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> --- drivers/nfc/s3fwrn5/firmware.c | 36 +++++++++++++++++++++++++++--------- 1 file changed, 27 insertions(+), 9 deletions(-)