[dpdk-dev] [PATCH 1/3] crypto/qat: handle error msg of block size properly

[Arek Kusztal <arkadiuszx.kusztal@intel.com>]

Error code of qat_hash_get_block_size needs to be handle properly.

Fixes: 10b49880e3c5 ("crypto/qat: make the session struct variable in size")
Cc: stable@dpdk.org

Signed-off-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>
---
 drivers/crypto/qat/qat_sym_session.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/qat/qat_sym_session.c b/drivers/crypto/qat/qat_sym_session.c
index 8196e23..272177f 100644
--- a/drivers/crypto/qat/qat_sym_session.c
+++ b/drivers/crypto/qat/qat_sym_session.c
@@ -1143,8 +1143,8 @@ static int qat_sym_do_precomputes(enum icp_qat_hw_auth_algo hash_alg,
 	}
 
 	block_size = qat_hash_get_block_size(hash_alg);
-	if (block_size <= 0)
-		return -EFAULT;
+	if (block_size < 0)
+		return block_size;
 	/* init ipad and opad from key and xor with fixed values */
 	memset(ipad, 0, block_size);
 	memset(opad, 0, block_size);
@@ -1490,9 +1490,13 @@ int qat_sym_session_aead_create_cd_auth(struct qat_sym_session *cdesc,
 		|| cdesc->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_AES_XCBC_MAC
 			)
 		hash->auth_counter.counter = 0;
-	else
-		hash->auth_counter.counter = rte_bswap32(
-				qat_hash_get_block_size(cdesc->qat_hash_alg));
+	else {
+		int block_size = qat_hash_get_block_size(cdesc->qat_hash_alg);
+
+		if (block_size < 0)
+			return block_size;
+		hash->auth_counter.counter = rte_bswap32(block_size);
+	}
 
 	cdesc->cd_cur_ptr += sizeof(struct icp_qat_hw_auth_setup);
 
-- 
2.1.0