summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorHarsh Jain <harsh@chelsio.com>2018-12-11 11:51:42 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2018-12-23 04:52:43 +0100
commitf31ba0f95f1998118098978dbfb25ecbec6b0891 (patch)
treec7a6ce1c90f61afd13780fdcad3afca4d1be042e /drivers
parentcrypto: chelsio - Reset counters on cxgb4 Detach (diff)
downloadlinux-f31ba0f95f1998118098978dbfb25ecbec6b0891.tar.xz
linux-f31ba0f95f1998118098978dbfb25ecbec6b0891.zip
crypto: chelsio - Fix wrong error counter increments
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/crypto/chelsio/chcr_algo.c9
-rw-r--r--drivers/crypto/chelsio/chcr_core.c11
2 files changed, 10 insertions, 10 deletions
diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c
index df526414f03f..eedc33128da4 100644
--- a/drivers/crypto/chelsio/chcr_algo.c
+++ b/drivers/crypto/chelsio/chcr_algo.c
@@ -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);
}
diff --git a/drivers/crypto/chelsio/chcr_core.c b/drivers/crypto/chelsio/chcr_core.c
index e04b3e8fa623..239b933d6df6 100644
--- a/drivers/crypto/chelsio/chcr_core.c
+++ b/drivers/crypto/chelsio/chcr_core.c
@@ -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;
}