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path: root/drivers/media/radio/radio-sf16fmr2.c
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Diffstat (limited to 'drivers/media/radio/radio-sf16fmr2.c')
-rw-r--r--drivers/media/radio/radio-sf16fmr2.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/radio/radio-sf16fmr2.c b/drivers/media/radio/radio-sf16fmr2.c
index a11414f..52c7bbb 100644
--- a/drivers/media/radio/radio-sf16fmr2.c
+++ b/drivers/media/radio/radio-sf16fmr2.c
@@ -251,6 +251,8 @@ static int vidioc_s_frequency(struct file *file, void *priv,
{
struct fmr2 *fmr2 = video_drvdata(file);
+ if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
+ return -EINVAL;
if (f->frequency < RSF16_MINFREQ ||
f->frequency > RSF16_MAXFREQ)
return -EINVAL;
@@ -272,6 +274,8 @@ static int vidioc_g_frequency(struct file *file, void *priv,
{
struct fmr2 *fmr2 = video_drvdata(file);
+ if (f->tuner != 0)
+ return -EINVAL;
f->type = V4L2_TUNER_RADIO;
f->frequency = fmr2->curfreq;
return 0;