From: Weili Qian <qianweili@huawei.com> When BD fails to send to the hardware, the requested memory needs to be freed. Signed-off-by: Weili Qian <qianweili@huawei.com> --- drv/hisi_hpre.c | 23 +++++++++++++++++++---- 1 file changed, 19 insertions(+), 4 deletions(-) diff --git a/drv/hisi_hpre.c b/drv/hisi_hpre.c index 11ef78b..e46efef 100644 --- a/drv/hisi_hpre.c +++ b/drv/hisi_hpre.c @@ -1699,7 +1699,11 @@ static int sm2_enc_send(handle_t ctx, struct wd_ecc_msg *msg) goto fail_fill_sqe; } - return hisi_qm_send(h_qp, &hw_msg, SM2_SQE_NUM, &send_cnt); + ret = hisi_qm_send(h_qp, &hw_msg, SM2_SQE_NUM, &send_cnt); + if (unlikely(ret)) + goto fail_fill_sqe; + + return ret; fail_fill_sqe: free_req(msg_dst[0]); @@ -1713,6 +1717,7 @@ static int sm2_dec_send(handle_t ctx, struct wd_ecc_msg *msg) struct wd_sm2_dec_in *din = (void *)msg->req.src; struct wd_hash_mt *hash = &msg->hash; struct wd_ecc_msg *dst; + int ret; /* c2 data lens <= 4096 bit */ if (din->c2.dsize <= BITS_TO_BYTES(4096) && @@ -1739,11 +1744,21 @@ static int sm2_dec_send(handle_t ctx, struct wd_ecc_msg *msg) /* dst->req.dst last store point "struct wd_ecc_msg *" */ dst->req.dst = create_ecdh_out(dst); if (unlikely(!dst->req.dst)) { - free(dst); - return -WD_ENOMEM; + ret = -WD_ENOMEM; + goto free_dst; } - return ecc_general_send(ctx, dst); + ret = ecc_general_send(ctx, dst); + if (unlikely(ret)) + goto free_req_dst; + + return ret; + +free_req_dst: + free(dst->req.dst); +free_dst: + free(dst); + return ret; } static int ecc_send(handle_t ctx, struct wd_ecc_msg *msg) -- 2.24.0