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path: root/drivers/crypto/marvell/cesa.c
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Diffstat (limited to 'drivers/crypto/marvell/cesa.c')
-rw-r--r--drivers/crypto/marvell/cesa.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/crypto/marvell/cesa.c b/drivers/crypto/marvell/cesa.c
index e373cc6557c6..d64af8625d7e 100644
--- a/drivers/crypto/marvell/cesa.c
+++ b/drivers/crypto/marvell/cesa.c
@@ -180,10 +180,11 @@ int mv_cesa_queue_req(struct crypto_async_request *req,
struct mv_cesa_engine *engine = creq->engine;
spin_lock_bh(&engine->lock);
- if (mv_cesa_req_get_type(creq) == CESA_DMA_REQ)
- mv_cesa_tdma_chain(engine, creq);
-
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)))
+ mv_cesa_tdma_chain(engine, creq);
spin_unlock_bh(&engine->lock);
if (ret != -EINPROGRESS)