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-rw-r--r--drivers/media/usb/au0828/au0828-core.c29
-rw-r--r--drivers/media/usb/cx231xx/cx231xx-cards.c32
-rw-r--r--drivers/media/usb/dvb-usb-v2/dvb_usb_core.c23
-rw-r--r--drivers/media/usb/dvb-usb/dvb-usb-dvb.c25
-rw-r--r--drivers/media/usb/siano/smsusb.c5
-rw-r--r--drivers/media/usb/uvc/uvc_driver.c11
6 files changed, 68 insertions, 57 deletions
diff --git a/drivers/media/usb/au0828/au0828-core.c b/drivers/media/usb/au0828/au0828-core.c
index 1b207fa16a55..fbdaeb206565 100644
--- a/drivers/media/usb/au0828/au0828-core.c
+++ b/drivers/media/usb/au0828/au0828-core.c
@@ -136,6 +136,7 @@ static void au0828_unregister_media_device(struct au0828_dev *dev)
#ifdef CONFIG_MEDIA_CONTROLLER
if (dev->media_dev) {
media_device_unregister(dev->media_dev);
+ media_device_cleanup(dev->media_dev);
kfree(dev->media_dev);
dev->media_dev = NULL;
}
@@ -216,12 +217,11 @@ static void au0828_usb_disconnect(struct usb_interface *interface)
au0828_usb_release(dev);
}
-static void au0828_media_device_register(struct au0828_dev *dev,
- struct usb_device *udev)
+static void au0828_media_device_init(struct au0828_dev *dev,
+ struct usb_device *udev)
{
#ifdef CONFIG_MEDIA_CONTROLLER
struct media_device *mdev;
- int ret;
mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);
if (!mdev)
@@ -239,14 +239,7 @@ static void au0828_media_device_register(struct au0828_dev *dev,
mdev->hw_revision = le16_to_cpu(udev->descriptor.bcdDevice);
mdev->driver_version = LINUX_VERSION_CODE;
- ret = media_device_register(mdev);
- if (ret) {
- pr_err(
- "Couldn't create a media device. Error: %d\n",
- ret);
- kfree(mdev);
- return;
- }
+ media_device_init(mdev);
dev->media_dev = mdev;
#endif
@@ -374,8 +367,8 @@ static int au0828_usb_probe(struct usb_interface *interface,
dev->boardnr = id->driver_info;
dev->board = au0828_boards[dev->boardnr];
- /* Register the media controller */
- au0828_media_device_register(dev, usbdev);
+ /* Initialize the media controller */
+ au0828_media_device_init(dev, usbdev);
#ifdef CONFIG_VIDEO_AU0828_V4L2
dev->v4l2_dev.release = au0828_usb_v4l2_release;
@@ -446,9 +439,17 @@ static int au0828_usb_probe(struct usb_interface *interface,
if (retval) {
pr_err("%s() au0282_dev_register failed to create graph\n",
__func__);
- au0828_usb_disconnect(interface);
+ goto done;
}
+#ifdef CONFIG_MEDIA_CONTROLLER
+ retval = media_device_register(dev->media_dev);
+#endif
+
+done:
+ if (retval < 0)
+ au0828_usb_disconnect(interface);
+
return retval;
}
diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c
index 0e1efc59ff58..de0026b5265c 100644
--- a/drivers/media/usb/cx231xx/cx231xx-cards.c
+++ b/drivers/media/usb/cx231xx/cx231xx-cards.c
@@ -1172,6 +1172,7 @@ static void cx231xx_unregister_media_device(struct cx231xx *dev)
#ifdef CONFIG_MEDIA_CONTROLLER
if (dev->media_dev) {
media_device_unregister(dev->media_dev);
+ media_device_cleanup(dev->media_dev);
kfree(dev->media_dev);
dev->media_dev = NULL;
}
@@ -1205,12 +1206,11 @@ void cx231xx_release_resources(struct cx231xx *dev)
clear_bit(dev->devno, &cx231xx_devused);
}
-static void cx231xx_media_device_register(struct cx231xx *dev,
- struct usb_device *udev)
+static void cx231xx_media_device_init(struct cx231xx *dev,
+ struct usb_device *udev)
{
#ifdef CONFIG_MEDIA_CONTROLLER
struct media_device *mdev;
- int ret;
mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);
if (!mdev)
@@ -1224,14 +1224,7 @@ static void cx231xx_media_device_register(struct cx231xx *dev,
mdev->hw_revision = le16_to_cpu(udev->descriptor.bcdDevice);
mdev->driver_version = LINUX_VERSION_CODE;
- ret = media_device_register(mdev);
- if (ret) {
- dev_err(dev->dev,
- "Couldn't create a media device. Error: %d\n",
- ret);
- kfree(mdev);
- return;
- }
+ media_device_init(mdev);
dev->media_dev = mdev;
#endif
@@ -1669,8 +1662,8 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
/* save our data pointer in this interface device */
usb_set_intfdata(interface, dev);
- /* Register the media controller */
- cx231xx_media_device_register(dev, udev);
+ /* Initialize the media controller */
+ cx231xx_media_device_init(dev, udev);
/* Create v4l2 device */
#ifdef CONFIG_MEDIA_CONTROLLER
@@ -1742,11 +1735,18 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
request_modules(dev);
retval = cx231xx_create_media_graph(dev);
- if (retval < 0) {
- cx231xx_release_resources(dev);
- }
+ if (retval < 0)
+ goto done;
+
+#ifdef CONFIG_MEDIA_CONTROLLER
+ retval = media_device_register(dev->media_dev);
+#endif
+done:
+ if (retval < 0)
+ cx231xx_release_resources(dev);
return retval;
+
err_video_alt:
/* cx231xx_uninit_dev: */
cx231xx_close_extension(dev);
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 6d3f61f6dc77..7f52bcbd8b0d 100644
--- a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
+++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
@@ -400,13 +400,12 @@ skip_feed_stop:
return ret;
}
-static void dvb_usbv2_media_device_register(struct dvb_usb_adapter *adap)
+static void dvb_usbv2_media_device_init(struct dvb_usb_adapter *adap)
{
#ifdef CONFIG_MEDIA_CONTROLLER_DVB
struct media_device *mdev;
struct dvb_usb_device *d = adap_to_d(adap);
struct usb_device *udev = d->udev;
- int ret;
mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);
if (!mdev)
@@ -420,19 +419,18 @@ static void dvb_usbv2_media_device_register(struct dvb_usb_adapter *adap)
mdev->hw_revision = le16_to_cpu(udev->descriptor.bcdDevice);
mdev->driver_version = LINUX_VERSION_CODE;
- ret = media_device_register(mdev);
- if (ret) {
- dev_err(&d->udev->dev,
- "Couldn't create a media device. Error: %d\n",
- ret);
- kfree(mdev);
- return;
- }
+ media_device_init(mdev);
dvb_register_media_controller(&adap->dvb_adap, mdev);
dev_info(&d->udev->dev, "media controller created\n");
+#endif
+}
+static void dvb_usbv2_media_device_register(struct dvb_usb_adapter *adap)
+{
+#ifdef CONFIG_MEDIA_CONTROLLER_DVB
+ media_device_register(adap->dvb_adap.mdev);
#endif
}
@@ -444,6 +442,7 @@ static void dvb_usbv2_media_device_unregister(struct dvb_usb_adapter *adap)
return;
media_device_unregister(adap->dvb_adap.mdev);
+ media_device_cleanup(adap->dvb_adap.mdev);
kfree(adap->dvb_adap.mdev);
adap->dvb_adap.mdev = NULL;
@@ -467,7 +466,7 @@ static int dvb_usbv2_adapter_dvb_init(struct dvb_usb_adapter *adap)
adap->dvb_adap.priv = adap;
- dvb_usbv2_media_device_register(adap);
+ dvb_usbv2_media_device_init(adap);
if (d->props->read_mac_address) {
ret = d->props->read_mac_address(adap,
@@ -702,6 +701,8 @@ static int dvb_usbv2_adapter_frontend_init(struct dvb_usb_adapter *adap)
if (ret < 0)
goto err_dvb_unregister_frontend;
+ dvb_usbv2_media_device_register(adap);
+
return 0;
err_dvb_unregister_frontend:
diff --git a/drivers/media/usb/dvb-usb/dvb-usb-dvb.c b/drivers/media/usb/dvb-usb/dvb-usb-dvb.c
index b51dbdf03f42..6a4bb2d86175 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb-dvb.c
+++ b/drivers/media/usb/dvb-usb/dvb-usb-dvb.c
@@ -95,13 +95,12 @@ static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
return dvb_usb_ctrl_feed(dvbdmxfeed, 0);
}
-static void dvb_usb_media_device_register(struct dvb_usb_adapter *adap)
+static void dvb_usb_media_device_init(struct dvb_usb_adapter *adap)
{
#ifdef CONFIG_MEDIA_CONTROLLER_DVB
struct media_device *mdev;
struct dvb_usb_device *d = adap->dev;
struct usb_device *udev = d->udev;
- int ret;
mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);
if (!mdev)
@@ -115,20 +114,21 @@ static void dvb_usb_media_device_register(struct dvb_usb_adapter *adap)
mdev->hw_revision = le16_to_cpu(udev->descriptor.bcdDevice);
mdev->driver_version = LINUX_VERSION_CODE;
- ret = media_device_register(mdev);
- if (ret) {
- dev_err(&d->udev->dev,
- "Couldn't create a media device. Error: %d\n",
- ret);
- kfree(mdev);
- return;
- }
+ media_device_init(mdev);
+
dvb_register_media_controller(&adap->dvb_adap, mdev);
dev_info(&d->udev->dev, "media controller created\n");
#endif
}
+static void dvb_usb_media_device_register(struct dvb_usb_adapter *adap)
+{
+#ifdef CONFIG_MEDIA_CONTROLLER_DVB
+ media_device_register(adap->dvb_adap.mdev);
+#endif
+}
+
static void dvb_usb_media_device_unregister(struct dvb_usb_adapter *adap)
{
#ifdef CONFIG_MEDIA_CONTROLLER_DVB
@@ -136,6 +136,7 @@ static void dvb_usb_media_device_unregister(struct dvb_usb_adapter *adap)
return;
media_device_unregister(adap->dvb_adap.mdev);
+ media_device_cleanup(adap->dvb_adap.mdev);
kfree(adap->dvb_adap.mdev);
adap->dvb_adap.mdev = NULL;
#endif
@@ -154,7 +155,7 @@ int dvb_usb_adapter_dvb_init(struct dvb_usb_adapter *adap, short *adapter_nums)
}
adap->dvb_adap.priv = adap;
- dvb_usb_media_device_register(adap);
+ dvb_usb_media_device_init(adap);
if (adap->dev->props.read_mac_address) {
if (adap->dev->props.read_mac_address(adap->dev, adap->dvb_adap.proposed_mac) == 0)
@@ -323,6 +324,8 @@ int dvb_usb_adapter_frontend_init(struct dvb_usb_adapter *adap)
ret = dvb_create_media_graph(&adap->dvb_adap);
+ dvb_usb_media_device_register(adap);
+
return ret;
}
diff --git a/drivers/media/usb/siano/smsusb.c b/drivers/media/usb/siano/smsusb.c
index c945e4c2fbd4..8abbd3cc8eba 100644
--- a/drivers/media/usb/siano/smsusb.c
+++ b/drivers/media/usb/siano/smsusb.c
@@ -361,10 +361,11 @@ static void *siano_media_device_register(struct smsusb_device_t *dev,
mdev->hw_revision = le16_to_cpu(udev->descriptor.bcdDevice);
mdev->driver_version = LINUX_VERSION_CODE;
+ media_device_init(mdev);
+
ret = media_device_register(mdev);
if (ret) {
- pr_err("Couldn't create a media device. Error: %d\n",
- ret);
+ media_device_cleanup(mdev);
kfree(mdev);
return NULL;
}
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 39abbafad796..4e7148815a78 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -1656,6 +1656,7 @@ static void uvc_delete(struct uvc_device *dev)
#ifdef CONFIG_MEDIA_CONTROLLER
if (media_devnode_is_registered(&dev->mdev.devnode))
media_device_unregister(&dev->mdev);
+ media_device_cleanup(&dev->mdev);
#endif
list_for_each_safe(p, n, &dev->chains) {
@@ -1906,7 +1907,7 @@ static int uvc_probe(struct usb_interface *intf,
"linux-uvc-devel mailing list.\n");
}
- /* Register the media and V4L2 devices. */
+ /* Initialize the media device and register the V4L2 device. */
#ifdef CONFIG_MEDIA_CONTROLLER
dev->mdev.dev = &intf->dev;
strlcpy(dev->mdev.model, dev->name, sizeof(dev->mdev.model));
@@ -1916,8 +1917,7 @@ static int uvc_probe(struct usb_interface *intf,
strcpy(dev->mdev.bus_info, udev->devpath);
dev->mdev.hw_revision = le16_to_cpu(udev->descriptor.bcdDevice);
dev->mdev.driver_version = LINUX_VERSION_CODE;
- if (media_device_register(&dev->mdev) < 0)
- goto error;
+ media_device_init(&dev->mdev);
dev->vdev.mdev = &dev->mdev;
#endif
@@ -1936,6 +1936,11 @@ static int uvc_probe(struct usb_interface *intf,
if (uvc_register_chains(dev) < 0)
goto error;
+#ifdef CONFIG_MEDIA_CONTROLLER
+ /* Register the media device node */
+ if (media_device_register(&dev->mdev) < 0)
+ goto error;
+#endif
/* Save our data pointer in the interface data. */
usb_set_intfdata(intf, dev);
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-08 19:34:29 +0000