[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>

diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c
index e00efcf..1e4da5e 100644 (file)
--- 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);