From ed4f92e3723a7d73bcd179ba09529094752063b2 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Mon, 24 Nov 2008 22:02:55 +0800 Subject: [PATCH] crypto: hifn_795x - Fix queue processing Signed-off-by: Patrick McHardy Signed-off-by: Evgeniy Polyakov Signed-off-by: Herbert Xu --- drivers/crypto/hifn_795x.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c index 97a77d7baca..ce3a27ecfaa 100644 --- a/drivers/crypto/hifn_795x.c +++ b/drivers/crypto/hifn_795x.c @@ -2158,7 +2158,7 @@ static int hifn_setup_crypto_req(struct ablkcipher_request *req, u8 op, static int hifn_process_queue(struct hifn_device *dev) { - struct crypto_async_request *async_req; + struct crypto_async_request *async_req, *backlog; struct hifn_context *ctx; struct ablkcipher_request *req; unsigned long flags; @@ -2166,12 +2166,16 @@ static int hifn_process_queue(struct hifn_device *dev) while (dev->started < HIFN_QUEUE_LENGTH) { spin_lock_irqsave(&dev->lock, flags); + backlog = crypto_get_backlog(&dev->queue); async_req = crypto_dequeue_request(&dev->queue); spin_unlock_irqrestore(&dev->lock, flags); if (!async_req) break; + if (backlog) + backlog->complete(backlog, -EINPROGRESS); + ctx = crypto_tfm_ctx(async_req->tfm); req = container_of(async_req, struct ablkcipher_request, base); @@ -2575,6 +2579,9 @@ static void hifn_tasklet_callback(unsigned long data) * context or update is atomic (like setting dev->sa[i] to NULL). */ hifn_check_for_completion(dev, 0); + + if (dev->started < HIFN_QUEUE_LENGTH && dev->queue.qlen) + hifn_process_queue(dev); } static int hifn_probe(struct pci_dev *pdev, const struct pci_device_id *id)