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authorJean-Francois Moine <moinejf@free.fr>2008-11-19 06:37:53 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-29 17:53:12 -0200
commita12ca6a6e143d77557772139f660121dfea6e923 (patch)
treeb359e080763bbd374bcb29987f619c09435d4720 /drivers
parent3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff)
V4L/DVB (9691): gspca: Some cleanups at device register
Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/video/gspca/gspca.c18
-rw-r--r--drivers/media/video/gspca/gspca.h2
2 files changed, 8 insertions, 12 deletions
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 02a6e9ef033..6e23fd4a203 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -862,7 +862,7 @@ static int dev_open(struct inode *inode, struct file *file)
int ret;
PDEBUG(D_STREAM, "%s open", current->comm);
- gspca_dev = video_drvdata(file);
+ gspca_dev = (struct gspca_dev *) video_devdata(file);
if (mutex_lock_interruptible(&gspca_dev->queue_lock))
return -ERESTARTSYS;
if (!gspca_dev->present) {
@@ -890,10 +890,10 @@ static int dev_open(struct inode *inode, struct file *file)
#ifdef GSPCA_DEBUG
/* activate the v4l2 debug */
if (gspca_debug & D_V4L2)
- gspca_dev->vdev->debug |= V4L2_DEBUG_IOCTL
+ gspca_dev->vdev.debug |= V4L2_DEBUG_IOCTL
| V4L2_DEBUG_IOCTL_ARG;
else
- gspca_dev->vdev->debug &= ~(V4L2_DEBUG_IOCTL
+ gspca_dev->vdev.debug &= ~(V4L2_DEBUG_IOCTL
| V4L2_DEBUG_IOCTL_ARG);
#endif
ret = 0;
@@ -1876,13 +1876,11 @@ int gspca_dev_probe(struct usb_interface *intf,
gspca_dev->vdev->parent = &dev->dev;
gspca_dev->module = module;
gspca_dev->present = 1;
- video_set_drvdata(gspca_dev->vdev, gspca_dev);
- ret = video_register_device(gspca_dev->vdev,
+ ret = video_register_device(&gspca_dev->vdev,
VFL_TYPE_GRABBER,
video_nr);
if (ret < 0) {
err("video_register_device err %d", ret);
- video_device_release(gspca_dev->vdev);
goto out;
}
@@ -1908,11 +1906,9 @@ void gspca_disconnect(struct usb_interface *intf)
usb_set_intfdata(intf, NULL);
-/* We don't want people trying to open up the device */
- video_unregister_device(gspca_dev->vdev);
-
- gspca_dev->present = 0;
- gspca_dev->streaming = 0;
+ /* release the device */
+ /* (this will call gspca_release() immediatly or on last close) */
+ video_unregister_device(&gspca_dev->vdev);
kref_put(&gspca_dev->kref, gspca_delete);
diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h
index d25e8d69373..2ae1ad7c148 100644
--- a/drivers/media/video/gspca/gspca.h
+++ b/drivers/media/video/gspca/gspca.h
@@ -120,7 +120,7 @@ struct gspca_frame {
};
struct gspca_dev {
- struct video_device *vdev;
+ struct video_device vdev; /* !! must be the first item */
struct module *module; /* subdriver handling the device */
struct usb_device *dev;
struct kref kref;