1 files changed, 31 insertions, 5 deletions

diff --git a/drivers/media/media-devnode.c b/drivers/media/media-devnode.c
index 023b2a1cbb9..7acd19c881d 100644
--- a/drivers/media/media-devnode.c
+++ b/drivers/media/media-devnode.c
@@ -116,19 +116,41 @@ static unsigned int media_poll(struct file *filp,
 	return mdev->fops->poll(filp, poll);
 }
 
-static long media_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+static long
+__media_ioctl(struct file *filp, unsigned int cmd, unsigned long arg,
+	      long (*ioctl_func)(struct file *filp, unsigned int cmd,
+				 unsigned long arg))
 {
 	struct media_devnode *mdev = media_devnode_data(filp);
 
-	if (!mdev->fops->ioctl)
+	if (!ioctl_func)
 		return -ENOTTY;
 
 	if (!media_devnode_is_registered(mdev))
 		return -EIO;
 
-	return mdev->fops->ioctl(filp, cmd, arg);
+	return ioctl_func(filp, cmd, arg);
+}
+
+static long media_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+	struct media_devnode *mdev = media_devnode_data(filp);
+
+	return __media_ioctl(filp, cmd, arg, mdev->fops->ioctl);
 }
 
+#ifdef CONFIG_COMPAT
+
+static long media_compat_ioctl(struct file *filp, unsigned int cmd,
+			       unsigned long arg)
+{
+	struct media_devnode *mdev = media_devnode_data(filp);
+
+	return __media_ioctl(filp, cmd, arg, mdev->fops->compat_ioctl);
+}
+
+#endif /* CONFIG_COMPAT */
+
 /* Override for the open function */
 static int media_open(struct inode *inode, struct file *filp)
 {
@@ -188,6 +210,9 @@ static const struct file_operations media_devnode_fops = {
 	.write = media_write,
 	.open = media_open,
 	.unlocked_ioctl = media_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl = media_compat_ioctl,
+#endif /* CONFIG_COMPAT */
 	.release = media_release,
 	.poll = media_poll,
 	.llseek = no_llseek,
@@ -207,7 +232,8 @@ static const struct file_operations media_devnode_fops = {
  * the media_devnode structure is *not* called, so the caller is responsible for
  * freeing any data.
  */
-int __must_check media_devnode_register(struct media_devnode *mdev)
+int __must_check media_devnode_register(struct media_devnode *mdev,
+					struct module *owner)
 {
 	int minor;
 	int ret;
@@ -228,7 +254,7 @@ int __must_check media_devnode_register(struct media_devnode *mdev)
 
 	/* Part 2: Initialize and register the character device */
 	cdev_init(&mdev->cdev, &media_devnode_fops);
-	mdev->cdev.owner = mdev->fops->owner;
+	mdev->cdev.owner = owner;
 
 	ret = cdev_add(&mdev->cdev, MKDEV(MAJOR(media_dev_t), mdev->minor), 1);
 	if (ret < 0) {