On Fri, 22 Jul 2016 14:40:55 +0200 Romain Perier <romain.perier@xxxxxxxxxxxxxxxxxx> wrote: > The flag CRYPTO_TFM_REQ_MAY_BACKLOG is optional and can be set from the > user to put requests into the backlog queue when the main cryptographic > queue is full. Before calling mv_cesa_tdma_chain we must check the value > of the return status to be sure that the current request has been > correctly queued or added to the backlog. > > Fixes: 85030c5168f1 ("crypto: marvell - Add support for chaining...") > Signed-off-by: Romain Perier <romain.perier@xxxxxxxxxxxxxxxxxx> Acked-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx> > --- > drivers/crypto/marvell/cesa.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/drivers/crypto/marvell/cesa.c b/drivers/crypto/marvell/cesa.c > index e373cc6..d64af86 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) -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html