Commit 42856f0a authored by Yang Shen's avatar Yang Shen Committed by Herbert Xu
Browse files

crypto: hisilicon/zip - fix the return value when device is busy 



As before, when the ZIP device is too busy to creat a request, it will
return '-EBUSY'. But the crypto process think the '-EBUSY' means a
successful request and wait for its completion.

So replace '-EBUSY' with '-EAGAIN' to show crypto this request is failed.

Fixes: 62c455ca("crypto: hisilicon - add HiSilicon ZIP...")
Signed-off-by: default avatarYang Shen <shenyang39@huawei.com>
Reviewed-by: default avatarZhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent d340f62d

drivers/crypto/hisilicon/zip/zip_crypto.c

+2 −1
Original line number Diff line number Diff line
@@ -498,7 +498,7 @@ static struct hisi_zip_req *hisi_zip_create_req(struct acomp_req *req, 
	if (req_id >= req_q->size) {

		write_unlock(&req_q->req_lock);

		dev_dbg(&qp_ctx->qp->qm->pdev->dev, "req cache is full!\n");

		return ERR_PTR(-EBUSY);

		return ERR_PTR(-EAGAIN);

	}

	set_bit(req_id, req_q->req_bitmap);
@@ -564,6 +564,7 @@ static int hisi_zip_do_work(struct hisi_zip_req *req, 
	ret = hisi_qp_send(qp, &zip_sqe);

	if (ret < 0) {

		atomic64_inc(&dfx->send_busy_cnt);

		ret = -EAGAIN;

		dev_dbg_ratelimited(dev, "failed to send request!\n");

		goto err_unmap_output;

	}