From: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Date: Tue, 7 Apr 2015 15:13:41 +0000 (+0200)
Subject: crypto: sahara - use the backlog
X-Git-Tag: v4.1-rc1~127^2~21
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=ddacc621f6597d503ed6a06e2beb1ed21df759f6;p=linux.git

crypto: sahara - use the backlog

With commit

	7e77bdebff5cb1e9876c561f69710b9ab8fa1f7e crypto: af_alg - fix backlog handling

in place, the backlog works under all circumstances where it previously failed, atleast
for the sahara driver. Use it.

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c
index c38553ed792c..052562dcd302 100644
--- a/drivers/crypto/sahara.c
+++ b/drivers/crypto/sahara.c
@@ -1096,15 +1096,20 @@ static int sahara_queue_manage(void *data)
 {
 	struct sahara_dev *dev = (struct sahara_dev *)data;
 	struct crypto_async_request *async_req;
+	struct crypto_async_request *backlog;
 	int ret = 0;
 
 	do {
 		__set_current_state(TASK_INTERRUPTIBLE);
 
 		mutex_lock(&dev->queue_mutex);
+		backlog = crypto_get_backlog(&dev->queue);
 		async_req = crypto_dequeue_request(&dev->queue);
 		mutex_unlock(&dev->queue_mutex);
 
+		if (backlog)
+			backlog->complete(backlog, -EINPROGRESS);
+
 		if (async_req) {
 			if (crypto_tfm_alg_type(async_req->tfm) ==
 			    CRYPTO_ALG_TYPE_AHASH) {