[PATCH 5/5] v4l: Remove struct v4l2_file_operations::ioctl

Frederic Weisbecker
2010-04-29T03:43:08Z

No more drivers use the bkl'ed callback, now drop it for good.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
drivers/media/video/v4l2-dev.c | 38 ++++----------------------------------
include/media/v4l2-dev.h | 1 -
2 files changed, 4 insertions(+), 35 deletions(-)

diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c
index 7090699..702a026 100644
--- a/drivers/media/video/v4l2-dev.c
+++ b/drivers/media/video/v4l2-dev.c
@@ -215,19 +215,7 @@ static unsigned int v4l2_poll(struct file *filp, struct poll_table_struct *poll)
return vdev->fops->poll(filp, poll);
}

-static int v4l2_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- struct video_device *vdev = video_devdata(filp);
-
- if (!vdev->fops->ioctl)
- return -ENOTTY;
- /* Allow ioctl to continue even if the device was unregistered.
- Things like dequeueing buffers might still be useful. */
- return vdev->fops->ioctl(filp, cmd, arg);
-}
-
-static long v4l2_unlocked_ioctl(struct file *filp,
+static long v4l2_ioctl(struct file *filp,
unsigned int cmd, unsigned long arg)
{
struct video_device *vdev = video_devdata(filp);
@@ -307,22 +295,6 @@ static int v4l2_release(struct inode *inode, struct file *filp)
return ret;
}

-static const struct file_operations v4l2_unlocked_fops = {
- .owner = THIS_MODULE,
- .read = v4l2_read,
- .write = v4l2_write,
- .open = v4l2_open,
- .get_unmapped_area = v4l2_get_unmapped_area,
- .mmap = v4l2_mmap,
- .unlocked_ioctl = v4l2_unlocked_ioctl,
-#ifdef CONFIG_COMPAT
- .compat_ioctl = v4l2_compat_ioctl32,
-#endif
- .release = v4l2_release,
- .poll = v4l2_poll,
- .llseek = no_llseek,
-};
-
static const struct file_operations v4l2_fops = {
.owner = THIS_MODULE,
.read = v4l2_read,
@@ -330,7 +302,7 @@ static const struct file_operations v4l2_fops = {
.open = v4l2_open,
.get_unmapped_area = v4l2_get_unmapped_area,
.mmap = v4l2_mmap,
- .ioctl = v4l2_ioctl,
+ .unlocked_ioctl = v4l2_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = v4l2_compat_ioctl32,
#endif
@@ -517,10 +489,8 @@ static int __video_register_device(struct video_device *vdev, int type, int nr,
ret = -ENOMEM;
goto cleanup;
}
- if (vdev->fops->unlocked_ioctl)
- vdev->cdev->ops = &v4l2_unlocked_fops;
- else
- vdev->cdev->ops = &v4l2_fops;
+
+ vdev->cdev->ops = &v4l2_fops;
vdev->cdev->owner = vdev->fops->owner;
ret = cdev_add(vdev->cdev, MKDEV(VIDEO_MAJOR, vdev->minor), 1);
if (ret < 0) {
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 2dee938..9a05e85 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -38,7 +38,6 @@ struct v4l2_file_operations {
ssize_t (*read) (struct file *, char __user *, size_t, loff_t *);
ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
unsigned int (*poll) (struct file *, struct poll_table_struct *);
- long (*ioctl) (struct file *, unsigned int, unsigned long);
long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
unsigned long (*get_unmapped_area) (struct file *, unsigned long,
unsigned long, unsigned long, unsigned long);
--
1.6.2.3