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crypto: marvell/cesa - remove redundant backlog checks on EBUSY

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Now that -EBUSY return code only indicates backlog queueing
we can safely remove the now redundant check for the
CRYPTO_TFM_REQ_MAY_BACKLOG flag when -EBUSY is returned.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Gilad Ben-Yossef 2017-10-18 08:00:37 +01:00 committed by Herbert Xu
parent 4e5b0ad582
commit 3d549e325e
2 changed files with 2 additions and 3 deletions
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3
drivers/crypto/marvell/cesa.c
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@ -177,8 +177,7 @@ int mv_cesa_queue_req(struct crypto_async_request *req,
spin_lock_bh(&engine->lock);
ret = crypto_enqueue_request(&engine->queue, req);
if ((mv_cesa_req_get_type(creq) == CESA_DMA_REQ) &&
(ret == -EINPROGRESS ||
(ret == -EBUSY && req->flags & CRYPTO_TFM_REQ_MAY_BACKLOG)))
(ret == -EINPROGRESS || ret == -EBUSY))
mv_cesa_tdma_chain(engine, creq);
spin_unlock_bh(&engine->lock);

2
drivers/crypto/marvell/cesa.h
View File

@ -764,7 +764,7 @@ static inline int mv_cesa_req_needs_cleanup(struct crypto_async_request *req,
* the backlog and will be processed later. There's no need to
* clean it up.
*/
if (ret == -EBUSY && req->flags & CRYPTO_TFM_REQ_MAY_BACKLOG)
if (ret == -EBUSY)
return false;
/* Request wasn't queued, we need to clean it up */