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crypto: chelsio - Fix wrong error counter increments

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Fix error counter increment in AEAD decrypt operation when
validation of tag is done in Driver instead of H/W.

Signed-off-by: Harsh Jain <harsh@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Harsh Jain 2018-12-11 16:21:42 +05:30 committed by Herbert Xu
parent 6501ab5ed4
commit f31ba0f95f
2 changed files with 10 additions and 10 deletions
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9
drivers/crypto/chelsio/chcr_algo.c
View File

@ -218,7 +218,7 @@ static inline void chcr_dec_wrcount(struct chcr_dev *dev)
atomic_dec(&dev->inflight);
}
static inline void chcr_handle_aead_resp(struct aead_request *req,
static inline int chcr_handle_aead_resp(struct aead_request *req,
unsigned char *input,
int err)
{
@ -233,6 +233,8 @@ static inline void chcr_handle_aead_resp(struct aead_request *req,
}
chcr_dec_wrcount(dev);
req->base.complete(&req->base, err);
return err;
}
static void get_aes_decrypt_key(unsigned char *dec_key,
@ -2072,14 +2074,13 @@ int chcr_handle_resp(struct crypto_async_request *req, unsigned char *input,
switch (tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK) {
case CRYPTO_ALG_TYPE_AEAD:
chcr_handle_aead_resp(aead_request_cast(req), input, err);
err = chcr_handle_aead_resp(aead_request_cast(req), input, err);
break;
case CRYPTO_ALG_TYPE_ABLKCIPHER:
err = chcr_handle_cipher_resp(ablkcipher_request_cast(req),
chcr_handle_cipher_resp(ablkcipher_request_cast(req),
input, err);
break;
case CRYPTO_ALG_TYPE_AHASH:
chcr_handle_ahash_resp(ahash_request_cast(req), input, err);
}

11
drivers/crypto/chelsio/chcr_core.c
View File

@ -169,12 +169,8 @@ static int cpl_fw6_pld_handler(struct chcr_dev *dev,
ack_err_status =
ntohl(*(__be32 *)((unsigned char *)&fw6_pld->data[0] + 4));
if (ack_err_status) {
if (CHK_MAC_ERR_BIT(ack_err_status) ||
CHK_PAD_ERR_BIT(ack_err_status))
error_status = -EBADMSG;
atomic_inc(&adap->chcr_stats.error);
}
if (CHK_MAC_ERR_BIT(ack_err_status) || CHK_PAD_ERR_BIT(ack_err_status))
error_status = -EBADMSG;
/* call completion callback with failure status */
if (req) {
error_status = chcr_handle_resp(req, input, error_status);
@ -182,6 +178,9 @@ static int cpl_fw6_pld_handler(struct chcr_dev *dev,
pr_err("Incorrect request address from the firmware\n");
return -EFAULT;
}
if (error_status)
atomic_inc(&adap->chcr_stats.error);
return 0;
}