diff options
| author | Yang Shen <shenyang39@huawei.com> | 2020-09-25 22:06:16 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-10-02 18:02:14 +1000 |
| commit | 42856f0a5a72080ec3424550572100e698e5043e (patch) | |
| tree | e7c8e709de2d5673f7dd36d378b7a1ae0d50c1f5 /drivers/crypto | |
| parent | d340f62db2f6da7f6f05087a4f6f504af9bb4d97 (diff) | |
| download | lwn-42856f0a5a72080ec3424550572100e698e5043e.tar.gz lwn-42856f0a5a72080ec3424550572100e698e5043e.zip | |
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: 62c455ca853e("crypto: hisilicon - add HiSilicon ZIP...")
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/hisilicon/zip/zip_crypto.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/crypto/hisilicon/zip/zip_crypto.c b/drivers/crypto/hisilicon/zip/zip_crypto.c index 48dc2fdc6a3c..08b4660b014c 100644 --- a/drivers/crypto/hisilicon/zip/zip_crypto.c +++ b/drivers/crypto/hisilicon/zip/zip_crypto.c @@ -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; } |