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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2009-11-27 07:33:25 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-12-16 02:17:53 (GMT) |
| commit | a3a9e287daa1f299e318161b790b1c5902b1d869 (patch) | |
| tree | 1f20db447f28a6346ce9d9fe2ebb0ff3eac65f96 /drivers/media/radio/radio-typhoon.c | |
| parent | cda4303f555316930a219cd7c03a1925526145f0 (diff) | |
| download | linux-fsl-qoriq-a3a9e287daa1f299e318161b790b1c5902b1d869.tar.xz | |
V4L/DVB (13547): radio: add trivial checks on the tuner and type args.
Many radio drivers did not check the tuner and type field correctly
for g/s_frequency. These checks have now been added.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/radio/radio-typhoon.c')
| -rw-r--r-- | drivers/media/radio/radio-typhoon.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/radio/radio-typhoon.c b/drivers/media/radio/radio-typhoon.c index 3a98f13..0343928 100644 --- a/drivers/media/radio/radio-typhoon.c +++ b/drivers/media/radio/radio-typhoon.c @@ -207,6 +207,8 @@ static int vidioc_g_frequency(struct file *file, void *priv, { struct typhoon *dev = video_drvdata(file); + if (f->tuner != 0) + return -EINVAL; f->type = V4L2_TUNER_RADIO; f->frequency = dev->curfreq; return 0; @@ -217,6 +219,8 @@ static int vidioc_s_frequency(struct file *file, void *priv, { struct typhoon *dev = video_drvdata(file); + if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO) + return -EINVAL; dev->curfreq = f->frequency; typhoon_setfreq(dev, dev->curfreq); return 0; |