From: Chenghai Huang <huangchenghai2@huawei.com> There is no timeout exit condition in the loop. When busy is returned continuously, an infinite loop occurs. Signed-off-by: Chenghai Huang <huangchenghai2@huawei.com> --- src/uadk_prov_digest.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/src/uadk_prov_digest.c b/src/uadk_prov_digest.c index 33beedf..5d6cc89 100644 --- a/src/uadk_prov_digest.c +++ b/src/uadk_prov_digest.c @@ -473,6 +473,7 @@ static int uadk_do_digest_async(struct digest_priv_ctx *priv, struct async_op *o { struct uadk_e_cb_info cb_param; int idx, ret; + int cnt = 0; if (unlikely(priv->switch_flag == UADK_DO_SOFT)) { fprintf(stderr, "async cipher init failed.\n"); @@ -494,15 +495,24 @@ static int uadk_do_digest_async(struct digest_priv_ctx *priv, struct async_op *o ret = wd_do_digest_async(priv->sess, &priv->req); if (ret < 0 && ret != -EBUSY) { fprintf(stderr, "do sec digest async failed.\n"); - async_free_poll_task(op->idx, 0); - return UADK_DIGEST_FAIL; + goto free_poll_task; + } + + if (unlikely(++cnt > ENGINE_SEND_MAX_CNT)) { + fprintf(stderr, "do digest async operation timeout.\n"); + goto free_poll_task; } } while (ret == -EBUSY); ret = async_pause_job(priv, op, ASYNC_TASK_DIGEST); if (!ret) return UADK_DIGEST_FAIL; + return UADK_DIGEST_SUCCESS; + +free_poll_task: + async_free_poll_task(op->idx, 0); + return UADK_DIGEST_FAIL; } static int uadk_digest_final(struct digest_priv_ctx *priv, unsigned char *digest) -- 2.33.0