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path: root/drivers/media/radio/radio-aztech.c
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Diffstat (limited to 'drivers/media/radio/radio-aztech.c')
-rw-r--r--drivers/media/radio/radio-aztech.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/radio/radio-aztech.c b/drivers/media/radio/radio-aztech.c
index 8daf809eb01..c2231139362 100644
--- a/drivers/media/radio/radio-aztech.c
+++ b/drivers/media/radio/radio-aztech.c
@@ -254,6 +254,8 @@ static int vidioc_s_frequency(struct file *file, void *priv,
{
struct aztech *az = video_drvdata(file);
+ if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
+ return -EINVAL;
az_setfreq(az, f->frequency);
return 0;
}
@@ -263,6 +265,8 @@ static int vidioc_g_frequency(struct file *file, void *priv,
{
struct aztech *az = video_drvdata(file);
+ if (f->tuner != 0)
+ return -EINVAL;
f->type = V4L2_TUNER_RADIO;
f->frequency = az->curfreq;
return 0;