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crypto: inside-secure - stop requeueing failed requests

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This update the dequeue function of the inside-secure safexcel driver so
that failed requests aren't requeued when they fail (for whatever
reason, which can be because the hw ring is full).

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Antoine Ténart 2017-06-15 09:56:25 +02:00 committed by Herbert Xu
parent 86671abbbb
commit c5acabd33c
1 changed files with 11 additions and 9 deletions
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20
drivers/crypto/inside-secure/safexcel.c
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@ -439,20 +439,22 @@ void safexcel_dequeue(struct safexcel_crypto_priv *priv, int ring)
goto finalize;
request = kzalloc(sizeof(*request), EIP197_GFP_FLAGS(*req));
if (!request)
goto requeue;
ctx = crypto_tfm_ctx(req->tfm);
ret = ctx->send(req, ring, request, &commands, &results);
if (ret) {
kfree(request);
requeue:
if (!request) {
spin_lock_bh(&priv->ring[ring].queue_lock);
crypto_enqueue_request(&priv->ring[ring].queue, req);
spin_unlock_bh(&priv->ring[ring].queue_lock);
priv->ring[ring].need_dequeue = true;
continue;
goto finalize;
}
ctx = crypto_tfm_ctx(req->tfm);
ret = ctx->send(req, ring, request, &commands, &results);
if (ret) {
kfree(request);
req->complete(req, ret);
priv->ring[ring].need_dequeue = true;
goto finalize;
}
if (backlog)