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[v9,05/20] crypto: marvell/cesa: remove redundant backlog checks on EBUSY

Message ID 1508059209-25529-6-git-send-email-gilad@benyossef.com
State Accepted
Commit 3d549e325e3c7dd294b96720f22cbc39ec2e02e9
Headers show
Series simplify crypto wait for async op | expand

Commit Message

Gilad Ben-Yossef Oct. 15, 2017, 9:19 a.m. UTC 
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>

---
 drivers/crypto/marvell/cesa.c | 3 +--
 drivers/crypto/marvell/cesa.h | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

-- 
2.7.4
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Patch

diff --git a/drivers/crypto/marvell/cesa.c b/drivers/crypto/marvell/cesa.c
index b657e7c..ff73aa5 100644
--- a/drivers/crypto/marvell/cesa.c
+++ b/drivers/crypto/marvell/cesa.c
@@ -181,8 +181,7 @@  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);
 
diff --git a/drivers/crypto/marvell/cesa.h b/drivers/crypto/marvell/cesa.h
index b7872f6..63c8457 100644
--- a/drivers/crypto/marvell/cesa.h
+++ b/drivers/crypto/marvell/cesa.h
@@ -763,7 +763,7 @@  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 */