linux-kernel - [PATCH] media: pci: remove unnecessary (void*) conversions

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Date:   Fri, 12 May 2023 09:41:59 +0800
From:   Su Hui <suhui@...china.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Andy Walls <awalls@...metrocast.net>,
        Hans Verkuil <hverkuil-cisco@...all.nl>
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org, Su Hui <suhui@...china.com>
Subject: [PATCH] media: pci: remove unnecessary (void*) conversions

No need cast (void*) to (struct dst_state *),
(struct cx18_stream *), (struct saa7164_port *)
or (struct budget *).

Signed-off-by: Su Hui <suhui@...china.com>
---
 drivers/media/pci/bt8xx/dst_ca.c        | 2 +-
 drivers/media/pci/cx18/cx18-dvb.c       | 4 ++--
 drivers/media/pci/saa7164/saa7164-dvb.c | 4 ++--
 drivers/media/pci/ttpci/budget-core.c   | 4 ++--
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/media/pci/bt8xx/dst_ca.c b/drivers/media/pci/bt8xx/dst_ca.c
index 85fcdc59f0d1..d234a0f404d6 100644
--- a/drivers/media/pci/bt8xx/dst_ca.c
+++ b/drivers/media/pci/bt8xx/dst_ca.c
@@ -534,7 +534,7 @@ static long dst_ca_ioctl(struct file *file, unsigned int cmd, unsigned long ioct
 
 	mutex_lock(&dst_ca_mutex);
 	dvbdev = file->private_data;
-	state = (struct dst_state *)dvbdev->priv;
+	state = dvbdev->priv;
 	p_ca_message = kmalloc(sizeof (struct ca_msg), GFP_KERNEL);
 	p_ca_slot_info = kmalloc(sizeof (struct ca_slot_info), GFP_KERNEL);
 	p_ca_caps = kmalloc(sizeof (struct ca_caps), GFP_KERNEL);
diff --git a/drivers/media/pci/cx18/cx18-dvb.c b/drivers/media/pci/cx18/cx18-dvb.c
index 33e5a5b5fab4..cf82360a503d 100644
--- a/drivers/media/pci/cx18/cx18-dvb.c
+++ b/drivers/media/pci/cx18/cx18-dvb.c
@@ -234,7 +234,7 @@ static int dvb_register(struct cx18_stream *stream);
 static int cx18_dvb_start_feed(struct dvb_demux_feed *feed)
 {
 	struct dvb_demux *demux = feed->demux;
-	struct cx18_stream *stream = (struct cx18_stream *) demux->priv;
+	struct cx18_stream *stream = demux->priv;
 	struct cx18 *cx;
 	int ret;
 	u32 v;
@@ -305,7 +305,7 @@ static int cx18_dvb_start_feed(struct dvb_demux_feed *feed)
 static int cx18_dvb_stop_feed(struct dvb_demux_feed *feed)
 {
 	struct dvb_demux *demux = feed->demux;
-	struct cx18_stream *stream = (struct cx18_stream *)demux->priv;
+	struct cx18_stream *stream = demux->priv;
 	struct cx18 *cx;
 	int ret = -EINVAL;
 
diff --git a/drivers/media/pci/saa7164/saa7164-dvb.c b/drivers/media/pci/saa7164/saa7164-dvb.c
index 24421c116b0b..3eb749db1ca7 100644
--- a/drivers/media/pci/saa7164/saa7164-dvb.c
+++ b/drivers/media/pci/saa7164/saa7164-dvb.c
@@ -280,7 +280,7 @@ static int saa7164_dvb_start_port(struct saa7164_port *port)
 static int saa7164_dvb_start_feed(struct dvb_demux_feed *feed)
 {
 	struct dvb_demux *demux = feed->demux;
-	struct saa7164_port *port = (struct saa7164_port *) demux->priv;
+	struct saa7164_port *port = demux->priv;
 	struct saa7164_dvb *dvb = &port->dvb;
 	struct saa7164_dev *dev = port->dev;
 	int ret = 0;
@@ -307,7 +307,7 @@ static int saa7164_dvb_start_feed(struct dvb_demux_feed *feed)
 static int saa7164_dvb_stop_feed(struct dvb_demux_feed *feed)
 {
 	struct dvb_demux *demux = feed->demux;
-	struct saa7164_port *port = (struct saa7164_port *) demux->priv;
+	struct saa7164_port *port = demux->priv;
 	struct saa7164_dvb *dvb = &port->dvb;
 	struct saa7164_dev *dev = port->dev;
 	int ret = 0;
diff --git a/drivers/media/pci/ttpci/budget-core.c b/drivers/media/pci/ttpci/budget-core.c
index 5d5796f24469..710595987522 100644
--- a/drivers/media/pci/ttpci/budget-core.c
+++ b/drivers/media/pci/ttpci/budget-core.c
@@ -308,7 +308,7 @@ int ttpci_budget_debiwrite(struct budget *budget, u32 config, int addr,
 static int budget_start_feed(struct dvb_demux_feed *feed)
 {
 	struct dvb_demux *demux = feed->demux;
-	struct budget *budget = (struct budget *) demux->priv;
+	struct budget *budget = demux->priv;
 	int status = 0;
 
 	dprintk(2, "budget: %p\n", budget);
@@ -327,7 +327,7 @@ static int budget_start_feed(struct dvb_demux_feed *feed)
 static int budget_stop_feed(struct dvb_demux_feed *feed)
 {
 	struct dvb_demux *demux = feed->demux;
-	struct budget *budget = (struct budget *) demux->priv;
+	struct budget *budget = demux->priv;
 	int status = 0;
 
 	dprintk(2, "budget: %p\n", budget);
-- 
2.30.2