crypto: omap-sham - remove unused code

Signed-off-by: NDmitry Kasatkin <dmitry.kasatkin@nokia.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/omap-sham.c

@@ -658,7 +658,6 @@ static int omap_sham_handle_queue(struct omap_sham_dev *dd,
 {
 	struct crypto_async_request *async_req, *backlog;
 	struct omap_sham_reqctx *ctx;
-	struct ahash_request *prev_req;
 	unsigned long flags;
 	int err = 0, ret = 0;
 
@@ -682,16 +681,12 @@ static int omap_sham_handle_queue(struct omap_sham_dev *dd,
 		backlog->complete(backlog, -EINPROGRESS);
 
 	req = ahash_request_cast(async_req);
-
-	prev_req = dd->req;
 	dd->req = req;
-
 	ctx = ahash_request_ctx(req);
 
 	dev_dbg(dd->dev, "handling new req, op: %lu, nbytes: %d\n",
 						ctx->op, req->nbytes);
 
-
 	err = omap_sham_hw_init(dd);
 	if (err)
 		goto err1;