s390/zcrypt: remove unnecessary (void *) conversions

Pointer variables of void * type do not require type cast.
Signed-off-by: Yu Zhe <yuzhe@nfschina.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20230303052155.21072-1-yuzhe@nfschina.comSigned-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

drivers/s390/crypto/zcrypt_msgtype6.c

@@ -926,8 +926,7 @@ static void zcrypt_msgtype6_receive(struct ap_queue *aq,
 		.type = TYPE82_RSP_CODE,
 		.reply_code = REP82_ERROR_MACHINE_FAILURE,
 	};
-	struct response_type *resp_type =
-		(struct response_type *)msg->private;
+	struct response_type *resp_type = msg->private;
 	struct type86x_reply *t86r;
 	int len;
 
@@ -982,8 +981,7 @@ static void zcrypt_msgtype6_receive_ep11(struct ap_queue *aq,
 		.type = TYPE82_RSP_CODE,
 		.reply_code = REP82_ERROR_MACHINE_FAILURE,
 	};
-	struct response_type *resp_type =
-		(struct response_type *)msg->private;
+	struct response_type *resp_type = msg->private;
 	struct type86_ep11_reply *t86r;
 	int len;
 
@@ -1157,7 +1155,7 @@ static long zcrypt_msgtype6_send_cprb(bool userspace, struct zcrypt_queue *zq,
 				      struct ap_message *ap_msg)
 {
 	int rc;
-	struct response_type *rtype = (struct response_type *)(ap_msg->private);
+	struct response_type *rtype = ap_msg->private;
 	struct {
 		struct type6_hdr hdr;
 		struct CPRBX cprbx;
@@ -1240,7 +1238,7 @@ static long zcrypt_msgtype6_send_ep11_cprb(bool userspace, struct zcrypt_queue *
 {
 	int rc;
 	unsigned int lfmt;
-	struct response_type *rtype = (struct response_type *)(ap_msg->private);
+	struct response_type *rtype = ap_msg->private;
 	struct {
 		struct type6_hdr hdr;
 		struct ep11_cprb cprbx;
@@ -1359,7 +1357,7 @@ static long zcrypt_msgtype6_rng(struct zcrypt_queue *zq,
 		short int verb_length;
 		short int key_length;
 	} __packed * msg = ap_msg->msg;
-	struct response_type *rtype = (struct response_type *)(ap_msg->private);
+	struct response_type *rtype = ap_msg->private;
 	int rc;
 
 	msg->cprbx.domain = AP_QID_QUEUE(zq->queue->qid);