To avoid GCC warning about "dereferencing type-punned pointer will break strict-aliasing rules" aad_len pointer is dereferenced instead of direct dereferencing of uint32_t* cast of the middle of an array.
Signed-off-by: Arek Kusztal <arkadiuszx.kusztal at intel.com> --- drivers/crypto/qat/qat_adf/qat_algs_build_desc.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c b/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c index bcccdf4..a5210d2 100644 --- a/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c +++ b/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c @@ -616,10 +616,12 @@ int qat_alg_aead_session_create_content_desc_auth(struct qat_session *cdesc, * Write (the length of AAD) into bytes 16-19 of state2 * in big-endian format. This field is 8 bytes */ - *(uint32_t *)&(hash->sha.state1[ + uint32_t *aad_len = (uint32_t *)&hash->sha.state1[ ICP_QAT_HW_GALOIS_128_STATE1_SZ + - ICP_QAT_HW_GALOIS_H_SZ]) = - rte_bswap32(add_auth_data_length); + ICP_QAT_HW_GALOIS_H_SZ]; + + *aad_len = rte_bswap32(add_auth_data_length); + proto = ICP_QAT_FW_LA_GCM_PROTO; } else if (cdesc->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2) { proto = ICP_QAT_FW_LA_SNOW_3G_PROTO; -- 2.1.0