From 70bd97ae5f12299b152d4220cfc77d8078b21d35 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hans.verkuil@cisco.com>
Date: Sat, 9 Jun 2012 11:27:43 -0300
Subject: [PATCH] [media] vivi: embed struct video_device instead of allocating
it
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
drivers/media/video/vivi.c | 24 +++++++-----------------
1 file changed, 7 insertions(+), 17 deletions(-)
diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c
index e00efcf02571..1e4da5e43a32 100644
--- a/drivers/media/video/vivi.c
+++ b/drivers/media/video/vivi.c
@@ -188,6 +188,7 @@ struct vivi_dev {
struct list_head vivi_devlist;
struct v4l2_device v4l2_dev;
struct v4l2_ctrl_handler ctrl_handler;
+ struct video_device vdev;
/* controls */
struct v4l2_ctrl *brightness;
@@ -213,9 +214,6 @@ struct vivi_dev {
spinlock_t slock;
struct mutex mutex;
- /* various device info */
- struct video_device *vfd;
-
struct vivi_dmaqueue vidq;
/* Several counters */
@@ -1326,7 +1324,7 @@ static struct video_device vivi_template = {
.name = "vivi",
.fops = &vivi_fops,
.ioctl_ops = &vivi_ioctl_ops,
- .release = video_device_release,
+ .release = video_device_release_empty,
};
/* -----------------------------------------------------------------
@@ -1344,8 +1342,8 @@ static int vivi_release(void)
dev = list_entry(list, struct vivi_dev, vivi_devlist);
v4l2_info(&dev->v4l2_dev, "unregistering %s\n",
- video_device_node_name(dev->vfd));
- video_unregister_device(dev->vfd);
+ video_device_node_name(&dev->vdev));
+ video_unregister_device(&dev->vdev);
v4l2_device_unregister(&dev->v4l2_dev);
v4l2_ctrl_handler_free(&dev->ctrl_handler);
kfree(dev);
@@ -1430,11 +1428,7 @@ static int __init vivi_create_instance(int inst)
INIT_LIST_HEAD(&dev->vidq.active);
init_waitqueue_head(&dev->vidq.wq);
- ret = -ENOMEM;
- vfd = video_device_alloc();
- if (!vfd)
- goto unreg_dev;
-
+ vfd = &dev->vdev;
*vfd = vivi_template;
vfd->debug = debug;
vfd->v4l2_dev = &dev->v4l2_dev;
@@ -1445,12 +1439,11 @@ static int __init vivi_create_instance(int inst)
* all fops and v4l2 ioctls.
*/
vfd->lock = &dev->mutex;
+ video_set_drvdata(vfd, dev);
ret = video_register_device(vfd, VFL_TYPE_GRABBER, video_nr);
if (ret < 0)
- goto rel_vdev;
-
- video_set_drvdata(vfd, dev);
+ goto unreg_dev;
/* Now that everything is fine, let's add it to device list */
list_add_tail(&dev->vivi_devlist, &vivi_devlist);
@@ -1458,13 +1451,10 @@ static int __init vivi_create_instance(int inst)
if (video_nr != -1)
video_nr++;
- dev->vfd = vfd;
v4l2_info(&dev->v4l2_dev, "V4L2 device registered as %s\n",
video_device_node_name(vfd));
return 0;
-rel_vdev:
- video_device_release(vfd);
unreg_dev:
v4l2_ctrl_handler_free(hdl);
v4l2_device_unregister(&dev->v4l2_dev);
--
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