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[media] cx25821: the audio channel was registered as a video node

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Skip the audio channel when registering the video nodes. This fixes a bug
where that incorrectly registered 'video' node was never unregistered.
Note: this bug only surfaces if the video output nodes are enabled again
after the previous patch disabled them.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2013-04-14 11:07:02 -03:00 committed by Mauro Carvalho Chehab
parent a877e2771a
commit 31b320739b
2 changed files with 7 additions and 6 deletions
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8
drivers/media/pci/cx25821/cx25821-core.c
View File

@ -1051,11 +1051,9 @@ void cx25821_dev_unregister(struct cx25821_dev *dev)
if (!atomic_dec_and_test(&dev->refcount))
return;
for (i = 0; i < VID_CHANNEL_NUM; i++)
cx25821_video_unregister(dev, i);
for (i = VID_UPSTREAM_SRAM_CHANNEL_I;
i <= AUDIO_UPSTREAM_SRAM_CHANNEL_B; i++) {
for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; i++) {
if (i == SRAM_CH08) /* audio channel */
continue;
cx25821_video_unregister(dev, i);
}

5
drivers/media/pci/cx25821/cx25821-video.c
View File

@ -462,6 +462,9 @@ int cx25821_video_register(struct cx25821_dev *dev)
spin_lock_init(&dev->slock);
for (i = 0; i < VID_CHANNEL_NUM; ++i) {
if (i == SRAM_CH08) /* audio channel */
continue;
cx25821_init_controls(dev, i);
cx25821_risc_stopper(dev->pci, &dev->channels[i].vidq.stopper,
@ -788,7 +791,7 @@ static int video_open(struct file *file)
{
h = list_entry(list, struct cx25821_dev, devlist);
for (i = 0; i < MAX_VID_CHANNEL_NUM; i++) {
for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; i++) {
if (h->channels[i].video_dev &&
h->channels[i].video_dev->minor == minor) {
dev = h;