diff options
Diffstat (limited to 'drivers/media/radio/radio-maestro.c')
| -rw-r--r-- | drivers/media/radio/radio-maestro.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/radio/radio-maestro.c b/drivers/media/radio/radio-maestro.c index 64d737c35acf..f8213b7c8ddc 100644 --- a/drivers/media/radio/radio-maestro.c +++ b/drivers/media/radio/radio-maestro.c @@ -200,6 +200,8 @@ static int vidioc_s_frequency(struct file *file, void *priv, { struct maestro *dev = video_drvdata(file); + if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO) + return -EINVAL; if (f->frequency < FREQ_LO || f->frequency > FREQ_HI) return -EINVAL; mutex_lock(&dev->lock); @@ -213,6 +215,8 @@ static int vidioc_g_frequency(struct file *file, void *priv, { struct maestro *dev = video_drvdata(file); + if (f->tuner != 0) + return -EINVAL; f->type = V4L2_TUNER_RADIO; mutex_lock(&dev->lock); f->frequency = BITS2FREQ(radio_bits_get(dev)); |