diff options
Diffstat (limited to 'drivers/media/radio/radio-gemtek-pci.c')
-rw-r--r-- | drivers/media/radio/radio-gemtek-pci.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/media/radio/radio-gemtek-pci.c b/drivers/media/radio/radio-gemtek-pci.c index c3f579de6e7..000f4d34087 100644 --- a/drivers/media/radio/radio-gemtek-pci.c +++ b/drivers/media/radio/radio-gemtek-pci.c @@ -181,12 +181,10 @@ static void gemtek_pci_mute(struct gemtek_pci *card) static void gemtek_pci_unmute(struct gemtek_pci *card) { - mutex_lock(&card->lock); if (card->mute) { gemtek_pci_setfrequency(card, card->current_frequency); card->mute = false; } - mutex_unlock(&card->lock); } static int gemtek_pci_getsignal(struct gemtek_pci *card) @@ -242,6 +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; @@ -255,6 +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; |