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>
 
 {
        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) {