diff options
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-417.c')
-rw-r--r-- | drivers/media/video/cx23885/cx23885-417.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/drivers/media/video/cx23885/cx23885-417.c b/drivers/media/video/cx23885/cx23885-417.c index a7bfe7c3a447..272c60a993b5 100644 --- a/drivers/media/video/cx23885/cx23885-417.c +++ b/drivers/media/video/cx23885/cx23885-417.c | |||
@@ -1568,28 +1568,11 @@ static int vidioc_queryctrl(struct file *file, void *priv, | |||
1568 | 1568 | ||
1569 | static int mpeg_open(struct file *file) | 1569 | static int mpeg_open(struct file *file) |
1570 | { | 1570 | { |
1571 | int minor = video_devdata(file)->minor; | 1571 | struct cx23885_dev *dev = video_drvdata(file); |
1572 | struct cx23885_dev *h, *dev = NULL; | ||
1573 | struct list_head *list; | ||
1574 | struct cx23885_fh *fh; | 1572 | struct cx23885_fh *fh; |
1575 | 1573 | ||
1576 | dprintk(2, "%s()\n", __func__); | 1574 | dprintk(2, "%s()\n", __func__); |
1577 | 1575 | ||
1578 | lock_kernel(); | ||
1579 | list_for_each(list, &cx23885_devlist) { | ||
1580 | h = list_entry(list, struct cx23885_dev, devlist); | ||
1581 | if (h->v4l_device && | ||
1582 | h->v4l_device->minor == minor) { | ||
1583 | dev = h; | ||
1584 | break; | ||
1585 | } | ||
1586 | } | ||
1587 | |||
1588 | if (dev == NULL) { | ||
1589 | unlock_kernel(); | ||
1590 | return -ENODEV; | ||
1591 | } | ||
1592 | |||
1593 | /* allocate + initialize per filehandle data */ | 1576 | /* allocate + initialize per filehandle data */ |
1594 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); | 1577 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); |
1595 | if (NULL == fh) { | 1578 | if (NULL == fh) { |
@@ -1597,6 +1580,8 @@ static int mpeg_open(struct file *file) | |||
1597 | return -ENOMEM; | 1580 | return -ENOMEM; |
1598 | } | 1581 | } |
1599 | 1582 | ||
1583 | lock_kernel(); | ||
1584 | |||
1600 | file->private_data = fh; | 1585 | file->private_data = fh; |
1601 | fh->dev = dev; | 1586 | fh->dev = dev; |
1602 | 1587 | ||
@@ -1803,6 +1788,7 @@ int cx23885_417_register(struct cx23885_dev *dev) | |||
1803 | /* Allocate and initialize V4L video device */ | 1788 | /* Allocate and initialize V4L video device */ |
1804 | dev->v4l_device = cx23885_video_dev_alloc(tsport, | 1789 | dev->v4l_device = cx23885_video_dev_alloc(tsport, |
1805 | dev->pci, &cx23885_mpeg_template, "mpeg"); | 1790 | dev->pci, &cx23885_mpeg_template, "mpeg"); |
1791 | video_set_drvdata(dev->v4l_device, dev); | ||
1806 | err = video_register_device(dev->v4l_device, | 1792 | err = video_register_device(dev->v4l_device, |
1807 | VFL_TYPE_GRABBER, -1); | 1793 | VFL_TYPE_GRABBER, -1); |
1808 | if (err < 0) { | 1794 | if (err < 0) { |