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authorHans Verkuil <hans.verkuil@cisco.com>2012-10-01 06:45:36 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-10-01 17:22:14 -0300
commitdff274fd86e401880d2d10c1dd7fa1fcb6d2bdbc (patch)
treef21d8d06ffb5fc00857f33698bbb136e96874129 /drivers/media
parent7eaf49667e23a11a1f6ec88dad51ad0e93b1445d (diff)
[media] ivtv: don't allow g/s_frequency for output device nodes
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/pci/ivtv/ivtv-driver.c1
-rw-r--r--drivers/media/pci/ivtv/ivtv-ioctl.c6
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c
index eed95a39666..74e9a503236 100644
--- a/drivers/media/pci/ivtv/ivtv-driver.c
+++ b/drivers/media/pci/ivtv/ivtv-driver.c
@@ -1325,6 +1325,7 @@ int ivtv_init_on_first_open(struct ivtv *itv)
int video_input;
fh.itv = itv;
+ fh.type = IVTV_ENC_STREAM_TYPE_MPG;
if (test_bit(IVTV_F_I_FAILED, &itv->i_flags))
return -ENXIO;
diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c
index e5ce970266f..5537c884207 100644
--- a/drivers/media/pci/ivtv/ivtv-ioctl.c
+++ b/drivers/media/pci/ivtv/ivtv-ioctl.c
@@ -1064,7 +1064,10 @@ static int ivtv_s_output(struct file *file, void *fh, unsigned int outp)
static int ivtv_g_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
{
struct ivtv *itv = fh2id(fh)->itv;
+ struct ivtv_stream *s = &itv->streams[fh2id(fh)->type];
+ if (s->vdev->vfl_dir)
+ return -ENOTTY;
if (vf->tuner != 0)
return -EINVAL;
@@ -1075,7 +1078,10 @@ static int ivtv_g_frequency(struct file *file, void *fh, struct v4l2_frequency *
int ivtv_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
{
struct ivtv *itv = fh2id(fh)->itv;
+ struct ivtv_stream *s = &itv->streams[fh2id(fh)->type];
+ if (s->vdev->vfl_dir)
+ return -ENOTTY;
if (vf->tuner != 0)
return -EINVAL;