V4L/DVB (8781): v4l2-dev: remove obsolete video_exclusive_open/release

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 30 deletions

diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c
index 8903e41628eb..66bd74b58b06 100644
--- a/drivers/media/video/v4l2-dev.c
+++ b/drivers/media/video/v4l2-dev.c
@@ -141,34 +141,6 @@ 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
@@ -320,8 +292,6 @@ 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;