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path: root/drivers/media/radio/radio-mr800.c
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Diffstat (limited to 'drivers/media/radio/radio-mr800.c')
-rw-r--r--drivers/media/radio/radio-mr800.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c
index 949f605..02a9cef 100644
--- a/drivers/media/radio/radio-mr800.c
+++ b/drivers/media/radio/radio-mr800.c
@@ -374,6 +374,8 @@ static int vidioc_s_frequency(struct file *file, void *priv,
{
struct amradio_device *radio = file->private_data;
+ if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
+ return -EINVAL;
return amradio_setfreq(radio, f->frequency);
}
@@ -383,6 +385,8 @@ static int vidioc_g_frequency(struct file *file, void *priv,
{
struct amradio_device *radio = file->private_data;
+ if (f->tuner != 0)
+ return -EINVAL;
f->type = V4L2_TUNER_RADIO;
f->frequency = radio->curfreq;