From 093654201e209b2a1aa59bd6c0bc1e33c1f6c4d2 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Mon, 9 Mar 2015 13:33:56 -0300 Subject: [PATCH] [media] vim2m: embed video_device Embed the video_device struct to simplify the error handling and in order to (eventually) get rid of video_device_alloc/release. Signed-off-by: Hans Verkuil Cc: Kamil Debski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/vim2m.c | 23 +++++++---------------- 1 file changed, 7 insertions(+), 16 deletions(-) diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c index d9d844aab39b..4d6b4cc57c57 100644 --- a/drivers/media/platform/vim2m.c +++ b/drivers/media/platform/vim2m.c @@ -142,7 +142,7 @@ static struct vim2m_fmt *find_format(struct v4l2_format *f) struct vim2m_dev { struct v4l2_device v4l2_dev; - struct video_device *vfd; + struct video_device vfd; atomic_t num_inst; struct mutex dev_mutex; @@ -968,7 +968,7 @@ static struct video_device vim2m_videodev = { .fops = &vim2m_fops, .ioctl_ops = &vim2m_ioctl_ops, .minor = -1, - .release = video_device_release, + .release = video_device_release_empty, }; static struct v4l2_m2m_ops m2m_ops = { @@ -996,26 +996,19 @@ static int vim2m_probe(struct platform_device *pdev) atomic_set(&dev->num_inst, 0); mutex_init(&dev->dev_mutex); - vfd = video_device_alloc(); - if (!vfd) { - v4l2_err(&dev->v4l2_dev, "Failed to allocate video device\n"); - ret = -ENOMEM; - goto unreg_dev; - } - - *vfd = vim2m_videodev; + dev->vfd = vim2m_videodev; + vfd = &dev->vfd; vfd->lock = &dev->dev_mutex; vfd->v4l2_dev = &dev->v4l2_dev; ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0); if (ret) { v4l2_err(&dev->v4l2_dev, "Failed to register video device\n"); - goto rel_vdev; + goto unreg_dev; } video_set_drvdata(vfd, dev); snprintf(vfd->name, sizeof(vfd->name), "%s", vim2m_videodev.name); - dev->vfd = vfd; v4l2_info(&dev->v4l2_dev, "Device registered as /dev/video%d\n", vfd->num); @@ -1033,9 +1026,7 @@ static int vim2m_probe(struct platform_device *pdev) err_m2m: v4l2_m2m_release(dev->m2m_dev); - video_unregister_device(dev->vfd); -rel_vdev: - video_device_release(vfd); + video_unregister_device(&dev->vfd); unreg_dev: v4l2_device_unregister(&dev->v4l2_dev); @@ -1049,7 +1040,7 @@ static int vim2m_remove(struct platform_device *pdev) v4l2_info(&dev->v4l2_dev, "Removing " MEM2MEM_NAME); v4l2_m2m_release(dev->m2m_dev); del_timer_sync(&dev->timer); - video_unregister_device(dev->vfd); + video_unregister_device(&dev->vfd); v4l2_device_unregister(&dev->v4l2_dev); return 0; -- 2.30.2