diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
index 9859d2a2449b..7927f5771e17 100644
--- a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
+++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
@@ -224,7 +224,7 @@ static void dvb_usb_data_complete_raw(struct usb_data_stream *stream, u8 *buf,
 	dvb_dmx_swfilter_raw(&adap->demux, buf, len);
 }
 
-int dvb_usbv2_adapter_stream_init(struct dvb_usb_adapter *adap)
+static int dvb_usbv2_adapter_stream_init(struct dvb_usb_adapter *adap)
 {
 	dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
 			adap->id);
@@ -236,7 +236,7 @@ int dvb_usbv2_adapter_stream_init(struct dvb_usb_adapter *adap)
 	return usb_urb_initv2(&adap->stream, &adap->props->stream);
 }
 
-int dvb_usbv2_adapter_stream_exit(struct dvb_usb_adapter *adap)
+static int dvb_usbv2_adapter_stream_exit(struct dvb_usb_adapter *adap)
 {
 	dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
 			adap->id);
@@ -369,7 +369,7 @@ static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
 	return dvb_usb_ctrl_feed(dvbdmxfeed, -1);
 }
 
-int dvb_usbv2_adapter_dvb_init(struct dvb_usb_adapter *adap)
+static int dvb_usbv2_adapter_dvb_init(struct dvb_usb_adapter *adap)
 {
 	int ret;
 	struct dvb_usb_device *d = adap_to_d(adap);
@@ -441,7 +441,7 @@ err_dvb_register_adapter:
 	return ret;
 }
 
-int dvb_usbv2_adapter_dvb_exit(struct dvb_usb_adapter *adap)
+static int dvb_usbv2_adapter_dvb_exit(struct dvb_usb_adapter *adap)
 {
 	dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
 			adap->id);
@@ -457,7 +457,7 @@ int dvb_usbv2_adapter_dvb_exit(struct dvb_usb_adapter *adap)
 	return 0;
 }
 
-int dvb_usbv2_device_power_ctrl(struct dvb_usb_device *d, int onoff)
+static int dvb_usbv2_device_power_ctrl(struct dvb_usb_device *d, int onoff)
 {
 	int ret;
 
@@ -554,7 +554,7 @@ err:
 	return ret;
 }
 
-int dvb_usbv2_adapter_frontend_init(struct dvb_usb_adapter *adap)
+static int dvb_usbv2_adapter_frontend_init(struct dvb_usb_adapter *adap)
 {
 	int ret, i, count_registered = 0;
 	struct dvb_usb_device *d = adap_to_d(adap);
@@ -623,7 +623,7 @@ err:
 	return ret;
 }
 
-int dvb_usbv2_adapter_frontend_exit(struct dvb_usb_adapter *adap)
+static int dvb_usbv2_adapter_frontend_exit(struct dvb_usb_adapter *adap)
 {
 	int i;
 	dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
diff --git a/drivers/media/usb/dvb-usb-v2/usb_urb.c b/drivers/media/usb/dvb-usb-v2/usb_urb.c
index 5989b6590377..7346f85f3f2f 100644
--- a/drivers/media/usb/dvb-usb-v2/usb_urb.c
+++ b/drivers/media/usb/dvb-usb-v2/usb_urb.c
@@ -112,7 +112,7 @@ int usb_urb_submitv2(struct usb_data_stream *stream,
 	return 0;
 }
 
-int usb_urb_free_urbs(struct usb_data_stream *stream)
+static int usb_urb_free_urbs(struct usb_data_stream *stream)
 {
 	int i;
 
@@ -205,7 +205,7 @@ static int usb_urb_alloc_isoc_urbs(struct usb_data_stream *stream)
 	return 0;
 }
 
-int usb_free_stream_buffers(struct usb_data_stream *stream)
+static int usb_free_stream_buffers(struct usb_data_stream *stream)
 {
 	if (stream->state & USB_STATE_URB_BUF) {
 		while (stream->buf_num) {
@@ -223,8 +223,8 @@ int usb_free_stream_buffers(struct usb_data_stream *stream)
 	return 0;
 }
 
-int usb_alloc_stream_buffers(struct usb_data_stream *stream, int num,
-		unsigned long size)
+static int usb_alloc_stream_buffers(struct usb_data_stream *stream, int num,
+				    unsigned long size)
 {
 	stream->buf_num = 0;
 	stream->buf_size = size;