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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2009-11-27 10:33:25 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-12-16 05:17:53 +0300 |
| commit | a3a9e287daa1f299e318161b790b1c5902b1d869 (patch) | |
| tree | 1f20db447f28a6346ce9d9fe2ebb0ff3eac65f96 /drivers/media/radio/radio-gemtek-pci.c | |
| parent | cda4303f555316930a219cd7c03a1925526145f0 (diff) | |
| download | linux-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-gemtek-pci.c')
| -rw-r--r-- | drivers/media/radio/radio-gemtek-pci.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/radio/radio-gemtek-pci.c b/drivers/media/radio/radio-gemtek-pci.c index c6cf11661868..000f4d34087c 100644 --- a/drivers/media/radio/radio-gemtek-pci.c +++ b/drivers/media/radio/radio-gemtek-pci.c @@ -240,6 +240,8 @@ static int vidioc_s_frequency(struct file *file, void *priv, { struct gemtek_pci *card = video_drvdata(file); + if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO) + return -EINVAL; if (f->frequency < GEMTEK_PCI_RANGE_LOW || f->frequency > GEMTEK_PCI_RANGE_HIGH) return -EINVAL; @@ -253,6 +255,8 @@ static int vidioc_g_frequency(struct file *file, void *priv, { struct gemtek_pci *card = video_drvdata(file); + if (f->tuner != 0) + return -EINVAL; f->type = V4L2_TUNER_RADIO; f->frequency = card->current_frequency; return 0; |