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authorPatrick McHardy <kaber@trash.net>2008-11-24 22:02:55 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2008-12-25 11:01:55 +1100
commited4f92e3723a7d73bcd179ba09529094752063b2 (patch)
treeec3a72d06931777e9eafcb83812ad7a494597900 /drivers/crypto
parent5df4c0c671bbb425e4a77dde5f51869aeebebd67 (diff)
downloadlinux-linaro-stable-ed4f92e3723a7d73bcd179ba09529094752063b2.tar.gz
crypto: hifn_795x - Fix queue processing
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/hifn_795x.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index 97a77d7baca4..ce3a27ecfaa5 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)