v4l2-dev: remove obsolete video_exclusive_open/release

From: Hans Verkuil <hverkuil@xs4all.nl>

Priority: normal

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>

1 files changed, 0 insertions, 30 deletions

diff --git a/linux/drivers/media/video/v4l2-dev.c b/linux/drivers/media/video/v4l2-dev.c
index 594f2477f..e2cecec6e 100644
--- a/linux/drivers/media/video/v4l2-dev.c
+++ b/linux/drivers/media/video/v4l2-dev.c
@@ -179,34 +179,6 @@ static int video_open(struct inode *inode, struct file *file)
 	return err;
 }
 
-/*
- * open/release helper functions -- handle exclusive opens
- * Should be removed soon
- */
-int video_exclusive_open(struct inode *inode, struct file *file)
-{
-	struct video_device *vfl = video_devdata(file);
-	int retval = 0;
-
-	mutex_lock(&vfl->lock);
-	if (vfl->users)
-		retval = -EBUSY;
-	else
-		vfl->users++;
-	mutex_unlock(&vfl->lock);
-	return retval;
-}
-EXPORT_SYMBOL(video_exclusive_open);
-
-int video_exclusive_release(struct inode *inode, struct file *file)
-{
-	struct video_device *vfl = video_devdata(file);
-
-	vfl->users--;
-	return 0;
-}
-EXPORT_SYMBOL(video_exclusive_release);
-
 /**
  * get_index - assign stream number based on parent device
  * @vdev: video_device to assign index number to, vdev->dev should be assigned
@@ -352,8 +324,6 @@ int video_register_device_index(struct video_device *vfd, int type, int nr,
 		goto fail_minor;
 	}
 
-	mutex_init(&vfd->lock);
-
 	/* sysfs class */
 	memset(&vfd->dev, 0x00, sizeof(vfd->dev));
 	vfd->dev.class = &video_class;