crypto: hifn_795x - Remove unused ctx variable

The below patch gets rid of an unused variable ctx reported by
GCC when building the kernel.
  CC [M]  drivers/crypto/hifn_795x.o
drivers/crypto/hifn_795x.c: In function 'hifn_flush':
drivers/crypto/hifn_795x.c:2021:23: warning: variable 'ctx' set but not used
drivers/crypto/hifn_795x.c: In function 'hifn_process_queue':
drivers/crypto/hifn_795x.c:2142:23: warning: variable 'ctx' set but not used
Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/hifn_795x.c

@@ -2018,7 +2018,6 @@ static void hifn_flush(struct hifn_device *dev)
 {
 	unsigned long flags;
 	struct crypto_async_request *async_req;
-	struct hifn_context *ctx;
 	struct ablkcipher_request *req;
 	struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
 	int i;
@@ -2035,7 +2034,6 @@ static void hifn_flush(struct hifn_device *dev)
 
 	spin_lock_irqsave(&dev->lock, flags);
 	while ((async_req = crypto_dequeue_request(&dev->queue))) {
-		ctx = crypto_tfm_ctx(async_req->tfm);
 		req = container_of(async_req, struct ablkcipher_request, base);
 		spin_unlock_irqrestore(&dev->lock, flags);
 
@@ -2139,7 +2137,6 @@ 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, *backlog;
-	struct hifn_context *ctx;
 	struct ablkcipher_request *req;
 	unsigned long flags;
 	int err = 0;
@@ -2156,7 +2153,6 @@ static int hifn_process_queue(struct hifn_device *dev)
 		if (backlog)
 			backlog->complete(backlog, -EINPROGRESS);
 
-		ctx = crypto_tfm_ctx(async_req->tfm);
 		req = container_of(async_req, struct ablkcipher_request, base);
 
 		err = hifn_handle_req(req);