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[media] sta2x11: embed video_device

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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 <hans.verkuil@cisco.com>
Cc: Federico Vaga <federico.vaga@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Hans Verkuil 2015-03-09 13:34:04 -03:00 committed by Mauro Carvalho Chehab
parent d079f99f00
commit 4db4ca7450
1 changed files with 12 additions and 23 deletions
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35
drivers/media/pci/sta2x11/sta2x11_vip.c
View file

@ -127,7 +127,7 @@ static inline struct vip_buffer *to_vip_buffer(struct vb2_buffer *vb2)
*/
struct sta2x11_vip {
struct v4l2_device v4l2_dev;
struct video_device *video_dev;
struct video_device video_dev;
struct pci_dev *pdev;
struct i2c_adapter *adapter;
unsigned int register_save_area[IRQ_COUNT + SAVE_COUNT + AUX_COUNT];
@ -763,7 +763,7 @@ static const struct v4l2_ioctl_ops vip_ioctl_ops = {
static struct video_device video_dev_template = {
.name = KBUILD_MODNAME,
.release = video_device_release,
.release = video_device_release_empty,
.fops = &vip_fops,
.ioctl_ops = &vip_ioctl_ops,
.tvnorms = V4L2_STD_ALL,
@ -1082,19 +1082,13 @@ static int sta2x11_vip_init_one(struct pci_dev *pdev,
goto release_buf;
}
/* Alloc, initialize and register video device */
vip->video_dev = video_device_alloc();
if (!vip->video_dev) {
ret = -ENOMEM;
goto release_irq;
}
/* Initialize and register video device */
vip->video_dev = video_dev_template;
vip->video_dev.v4l2_dev = &vip->v4l2_dev;
vip->video_dev.queue = &vip->vb_vidq;
video_set_drvdata(&vip->video_dev, vip);
vip->video_dev = &video_dev_template;
vip->video_dev->v4l2_dev = &vip->v4l2_dev;
vip->video_dev->queue = &vip->vb_vidq;
video_set_drvdata(vip->video_dev, vip);
ret = video_register_device(vip->video_dev, VFL_TYPE_GRABBER, -1);
ret = video_register_device(&vip->video_dev, VFL_TYPE_GRABBER, -1);
if (ret)
goto vrelease;
@ -1124,13 +1118,9 @@ static int sta2x11_vip_init_one(struct pci_dev *pdev,
return 0;
vunreg:
video_set_drvdata(vip->video_dev, NULL);
video_set_drvdata(&vip->video_dev, NULL);
vrelease:
if (video_is_registered(vip->video_dev))
video_unregister_device(vip->video_dev);
else
video_device_release(vip->video_dev);
release_irq:
video_unregister_device(&vip->video_dev);
free_irq(pdev->irq, vip);
release_buf:
sta2x11_vip_release_buffer(vip);
@ -1175,9 +1165,8 @@ static void sta2x11_vip_remove_one(struct pci_dev *pdev)
sta2x11_vip_clear_register(vip);
video_set_drvdata(vip->video_dev, NULL);
video_unregister_device(vip->video_dev);
/*do not call video_device_release() here, is already done */
video_set_drvdata(&vip->video_dev, NULL);
video_unregister_device(&vip->video_dev);
free_irq(pdev->irq, vip);
pci_disable_msi(pdev);
vb2_queue_release(&vip->vb_vidq);