diff options
| author |   Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-08-30 09:53:57 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-01-11 12:18:58 -0200 |
| commit | 39d1ebc6092f8266fb788733ca92b8492b1d69f2 (patch) | |
| tree | 4cb4531fc744893e515cf693659ab0f353f1bacc /drivers/media/media-device.c | |
| parent | [media] au0828: Create connector links (diff) | |
| download | linux-dev-39d1ebc6092f8266fb788733ca92b8492b1d69f2.tar.xz linux-dev-39d1ebc6092f8266fb788733ca92b8492b1d69f2.zip | |
[media] media-device: supress backlinks at G_TOPOLOGY ioctl
Due to the graph traversal algorithm currently in usage, we
need a copy of all data links. Those backlinks should not be
send to userspace, as otherwise, all links there will be
duplicated.
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/media-device.c')
| -rw-r--r-- | drivers/media/media-device.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index c7d97190a67e..30cef8740afa 100644 --- a/drivers/media/media-device.c +++ b/drivers/media/media-device.c @@ -333,6 +333,9 @@ static long __media_device_get_topology(struct media_device *mdev, /* Get links and number of links */ i = 0; media_device_for_each_link(link, mdev) { + if (link->is_backlink) + continue; + i++; if (ret || !topo->links) |